== sanity test 398b: DIO and buffer IO race ============== 23:08:27 (1789182507) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 7.27597 s, 6.9 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=179051: Fri Sep 11 23:10:40 2026 read: IOPS=13, BW=53.7KiB/s (54.0kB/s)(5992KiB/111644msec) clat (usec): min=36, max=1271.2k, avg=41894.56, stdev=43024.87 lat (usec): min=36, max=1271.2k, avg=41896.18, stdev=43025.17 clat percentiles (usec): | 1.00th=[ 54], 5.00th=[ 9503], 10.00th=[ 14877], | 20.00th=[ 20317], 30.00th=[ 25035], 40.00th=[ 29492], | 50.00th=[ 34341], 60.00th=[ 40633], 70.00th=[ 47973], | 80.00th=[ 57410], 90.00th=[ 74974], 95.00th=[ 95945], | 99.00th=[ 141558], 99.50th=[ 164627], 99.90th=[ 316670], | 99.95th=[1266680], 99.99th=[1266680] bw ( KiB/s): min= 7, max= 111, per=25.11%, avg=53.74, stdev=21.07, samples=217 iops : min= 1, max= 27, avg=12.76, stdev= 5.28, samples=217 write: IOPS=14, BW=56.4KiB/s (57.7kB/s)(6296KiB/111644msec); 0 zone resets clat (usec): min=792, max=241050, avg=30948.27, stdev=31360.73 lat (usec): min=793, max=241052, avg=30950.18, stdev=31360.91 clat percentiles (usec): | 1.00th=[ 1090], 5.00th=[ 1205], 10.00th=[ 1483], 20.00th=[ 3359], | 30.00th=[ 6980], 40.00th=[ 15401], 50.00th=[ 22152], 60.00th=[ 30540], | 70.00th=[ 41157], 80.00th=[ 53216], 90.00th=[ 72877], 95.00th=[ 93848], | 99.00th=[135267], 99.50th=[149947], 99.90th=[196084], 99.95th=[240124], | 99.99th=[240124] bw ( KiB/s): min= 7, max= 134, per=25.02%, avg=56.30, stdev=24.65, samples=218 iops : min= 1, max= 33, avg=13.41, stdev= 6.20, samples=218 lat (usec) : 50=0.23%, 100=1.69%, 250=0.10%, 500=0.07%, 1000=0.16% lat (msec) : 2=6.87%, 4=4.49%, 10=6.48%, 20=12.99%, 50=42.15% lat (msec) : 100=20.57%, 250=4.10%, 500=0.07%, 2000=0.03% cpu : usr=0.08%, sys=5.36%, ctx=6367, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179052: Fri Sep 11 23:10:40 2026 read: IOPS=13, BW=53.2KiB/s (54.4kB/s)(5940KiB/111720msec) clat (usec): min=37, max=1285.3k, avg=42041.62, stdev=42823.88 lat (usec): min=37, max=1285.3k, avg=42057.43, stdev=42827.90 clat percentiles (usec): | 1.00th=[ 56], 5.00th=[ 10290], 10.00th=[ 15139], | 20.00th=[ 20317], 30.00th=[ 24773], 40.00th=[ 29492], | 50.00th=[ 35390], 60.00th=[ 41157], 70.00th=[ 49021], | 80.00th=[ 58459], 90.00th=[ 73925], 95.00th=[ 89654], | 99.00th=[ 156238], 99.50th=[ 170918], 99.90th=[ 267387], | 99.95th=[1283458], 99.99th=[1283458] bw ( KiB/s): min= 7, max= 135, per=24.79%, avg=53.04, stdev=21.30, samples=218 iops : min= 1, max= 33, avg=12.58, stdev= 5.34, samples=218 write: IOPS=14, BW=56.8KiB/s (58.2kB/s)(6348KiB/111720msec); 0 zone resets clat (usec): min=784, max=293941, avg=30917.77, stdev=34259.03 lat (usec): min=786, max=293943, avg=30919.91, stdev=34259.09 clat percentiles (usec): | 1.00th=[ 996], 5.00th=[ 1205], 10.00th=[ 1352], 20.00th=[ 3195], | 30.00th=[ 6128], 40.00th=[ 12256], 50.00th=[ 20841], 60.00th=[ 29492], | 70.00th=[ 40109], 80.00th=[ 52167], 90.00th=[ 73925], 95.00th=[ 94897], | 99.00th=[147850], 99.50th=[177210], 99.90th=[246416], 99.95th=[295699], | 99.99th=[295699] bw ( KiB/s): min= 7, max= 159, per=25.12%, avg=56.51, stdev=25.54, samples=218 iops : min= 1, max= 39, avg=13.45, stdev= 6.41, samples=218 lat (usec) : 50=0.20%, 100=1.30%, 250=0.13%, 500=0.03%, 750=0.07% lat (usec) : 1000=0.52% lat (msec) : 2=7.10%, 4=4.49%, 10=7.68%, 20=12.92%, 50=40.07% lat (msec) : 100=21.58%, 250=3.81%, 500=0.07%, 2000=0.03% cpu : usr=0.09%, sys=5.52%, ctx=6439, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179053: Fri Sep 11 23:10:40 2026 read: IOPS=13, BW=54.0KiB/s (55.3kB/s)(6028KiB/111560msec) clat (usec): min=45, max=215014, avg=40245.26, stdev=26332.74 lat (usec): min=46, max=215015, avg=40249.96, stdev=26333.90 clat percentiles (usec): | 1.00th=[ 55], 5.00th=[ 11338], 10.00th=[ 15664], 20.00th=[ 20841], | 30.00th=[ 25035], 40.00th=[ 29754], 50.00th=[ 35390], 60.00th=[ 40633], | 70.00th=[ 46924], 80.00th=[ 55837], 90.00th=[ 70779], 95.00th=[ 86508], | 99.00th=[137364], 99.50th=[166724], 99.90th=[212861], 99.95th=[214959], | 99.99th=[214959] bw ( KiB/s): min= 7, max= 133, per=25.29%, avg=54.11, stdev=22.56, samples=218 iops : min= 1, max= 33, avg=12.89, stdev= 5.70, samples=218 write: IOPS=14, BW=56.1KiB/s (57.5kB/s)(6260KiB/111560msec); 0 zone resets clat (usec): min=721, max=1280.0k, avg=32408.71, stdev=45461.93 lat (usec): min=722, max=1280.0k, avg=32412.88, stdev=45461.13 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 1205], 10.00th=[ 1352], | 20.00th=[ 2835], 30.00th=[ 6718], 40.00th=[ 14877], | 50.00th=[ 22938], 60.00th=[ 30802], 70.00th=[ 41157], | 80.00th=[ 54264], 90.00th=[ 77071], 95.00th=[ 94897], | 99.00th=[ 145753], 99.50th=[ 158335], 99.90th=[ 221250], | 99.95th=[1283458], 99.99th=[1283458] bw ( KiB/s): min= 7, max= 160, per=24.98%, avg=56.20, stdev=25.11, samples=218 iops : min= 1, max= 40, avg=13.41, stdev= 6.32, samples=218 lat (usec) : 50=0.16%, 100=1.24%, 250=0.10%, 500=0.07%, 750=0.10% lat (usec) : 1000=0.23% lat (msec) : 2=7.94%, 4=4.30%, 10=6.32%, 20=11.88%, 50=43.03% lat (msec) : 100=20.96%, 250=3.65%, 2000=0.03% cpu : usr=0.09%, sys=5.36%, ctx=6393, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179054: Fri Sep 11 23:10:40 2026 read: IOPS=13, BW=54.4KiB/s (55.7kB/s)(6052KiB/111269msec) clat (usec): min=46, max=179366, avg=39899.81, stdev=25359.58 lat (usec): min=47, max=179367, avg=39907.99, stdev=25363.16 clat percentiles (usec): | 1.00th=[ 57], 5.00th=[ 9110], 10.00th=[ 14877], 20.00th=[ 20579], | 30.00th=[ 25297], 40.00th=[ 30016], 50.00th=[ 35390], 60.00th=[ 41157], | 70.00th=[ 47449], 80.00th=[ 55837], 90.00th=[ 69731], 95.00th=[ 88605], | 99.00th=[135267], 99.50th=[145753], 99.90th=[173016], 99.95th=[179307], | 99.99th=[179307] bw ( KiB/s): min= 15, max= 124, per=25.54%, avg=54.66, stdev=20.86, samples=216 iops : min= 3, max= 31, avg=13.02, stdev= 5.26, samples=216 write: IOPS=14, BW=56.0KiB/s (57.4kB/s)(6236KiB/111269msec); 0 zone resets clat (usec): min=663, max=1303.2k, avg=32536.59, stdev=45851.14 lat (usec): min=665, max=1303.2k, avg=32543.11, stdev=45851.48 clat percentiles (usec): | 1.00th=[ 1037], 5.00th=[ 1188], 10.00th=[ 1450], | 20.00th=[ 3228], 30.00th=[ 6587], 40.00th=[ 15401], | 50.00th=[ 22938], 60.00th=[ 31065], 70.00th=[ 42206], | 80.00th=[ 54789], 90.00th=[ 77071], 95.00th=[ 94897], | 99.00th=[ 139461], 99.50th=[ 170918], 99.90th=[ 252707], | 99.95th=[1300235], 99.99th=[1300235] bw ( KiB/s): min= 7, max= 126, per=24.86%, avg=55.94, stdev=24.01, samples=217 iops : min= 1, max= 31, avg=13.35, stdev= 6.06, samples=217 lat (usec) : 50=0.13%, 100=1.82%, 250=0.20%, 750=0.07%, 1000=0.29% lat (msec) : 2=6.71%, 4=4.95%, 10=6.05%, 20=12.34%, 50=42.87% lat (msec) : 100=20.83%, 250=3.68%, 500=0.03%, 2000=0.03% cpu : usr=0.10%, sys=5.33%, ctx=6338, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=215KiB/s (220kB/s), 53.2KiB/s-54.4KiB/s (54.4kB/s-55.7kB/s), io=23.4MiB (24.6MB), run=111269-111720msec WRITE: bw=225KiB/s (230kB/s), 56.0KiB/s-56.8KiB/s (57.4kB/s-58.2kB/s), io=24.6MiB (25.7MB), run=111269-111720msec rand-rw: (groupid=0, jobs=1): err= 0: pid=179046: Fri Sep 11 23:11:20 2026 read: IOPS=9, BW=39.6KiB/s (40.6kB/s)(5992KiB/151314msec) clat (msec): min=5, max=1337, avg=38.61, stdev=47.44 lat (msec): min=5, max=1337, avg=38.61, stdev=47.44 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 32], | 70.00th=[ 40], 80.00th=[ 57], 90.00th=[ 84], 95.00th=[ 110], | 99.00th=[ 169], 99.50th=[ 194], 99.90th=[ 257], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 7, max= 168, per=25.59%, avg=40.44, stdev=26.53, samples=289 iops : min= 1, max= 42, avg= 9.48, stdev= 6.70, samples=289 write: IOPS=10, BW=41.6KiB/s (42.6kB/s)(6296KiB/151314msec); 0 zone resets clat (msec): min=11, max=323, avg=59.07, stdev=40.01 lat (msec): min=11, max=323, avg=59.07, stdev=40.01 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 19], 10.00th=[ 23], 20.00th=[ 28], | 30.00th=[ 34], 40.00th=[ 40], 50.00th=[ 46], 60.00th=[ 55], | 70.00th=[ 68], 80.00th=[ 87], 90.00th=[ 111], 95.00th=[ 138], | 99.00th=[ 188], 99.50th=[ 236], 99.90th=[ 305], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 7, max= 142, per=25.29%, avg=41.72, stdev=24.82, samples=294 iops : min= 1, max= 35, avg= 9.81, stdev= 6.27, samples=294 lat (msec) : 10=3.22%, 20=17.84%, 50=44.53%, 100=23.89%, 250=10.25% lat (msec) : 500=0.23%, 2000=0.03% cpu : usr=0.07%, sys=1.93%, ctx=4818, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179047: Fri Sep 11 23:11:20 2026 read: IOPS=9, BW=39.2KiB/s (40.1kB/s)(5940KiB/151646msec) clat (msec): min=5, max=1336, avg=39.12, stdev=48.66 lat (msec): min=5, max=1336, avg=39.13, stdev=48.66 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 15], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 32], | 70.00th=[ 41], 80.00th=[ 54], 90.00th=[ 85], 95.00th=[ 114], | 99.00th=[ 180], 99.50th=[ 201], 99.90th=[ 321], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 7, max= 157, per=25.41%, avg=40.15, stdev=28.06, samples=289 iops : min= 1, max= 39, avg= 9.41, stdev= 7.09, samples=289 write: IOPS=10, BW=41.9KiB/s (42.9kB/s)(6348KiB/151646msec); 0 zone resets clat (msec): min=9, max=359, avg=58.63, stdev=41.87 lat (msec): min=9, max=359, avg=58.64, stdev=41.87 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 19], 10.00th=[ 23], 20.00th=[ 27], | 30.00th=[ 33], 40.00th=[ 39], 50.00th=[ 45], 60.00th=[ 55], | 70.00th=[ 69], 80.00th=[ 84], 90.00th=[ 113], 95.00th=[ 144], | 99.00th=[ 213], 99.50th=[ 264], 99.90th=[ 309], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 7, max= 142, per=25.31%, avg=41.76, stdev=25.60, samples=297 iops : min= 1, max= 35, avg= 9.81, stdev= 6.47, samples=297 lat (msec) : 10=3.58%, 20=17.29%, 50=45.25%, 100=23.37%, 250=10.12% lat (msec) : 500=0.36%, 2000=0.03% cpu : usr=0.08%, sys=1.77%, ctx=4663, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179048: Fri Sep 11 23:11:20 2026 read: IOPS=10, BW=40.2KiB/s (41.2kB/s)(6028KiB/149982msec) clat (msec): min=4, max=260, avg=38.66, stdev=36.13 lat (msec): min=4, max=260, avg=38.66, stdev=36.13 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 32], | 70.00th=[ 40], 80.00th=[ 56], 90.00th=[ 84], 95.00th=[ 116], | 99.00th=[ 182], 99.50th=[ 207], 99.90th=[ 255], 99.95th=[ 262], | 99.99th=[ 262] bw ( KiB/s): min= 7, max= 150, per=25.54%, avg=40.36, stdev=27.14, samples=291 iops : min= 1, max= 37, avg= 9.46, stdev= 6.84, samples=291 write: IOPS=10, BW=41.7KiB/s (42.7kB/s)(6260KiB/149982msec); 0 zone resets clat (msec): min=8, max=1380, avg=58.31, stdev=51.56 lat (msec): min=8, max=1380, avg=58.31, stdev=51.56 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 18], 10.00th=[ 22], 20.00th=[ 28], | 30.00th=[ 33], 40.00th=[ 39], 50.00th=[ 45], 60.00th=[ 55], | 70.00th=[ 67], 80.00th=[ 84], 90.00th=[ 109], 95.00th=[ 136], | 99.00th=[ 197], 99.50th=[ 234], 99.90th=[ 359], 99.95th=[ 1385], | 99.99th=[ 1385] bw ( KiB/s): min= 7, max= 136, per=25.39%, avg=41.90, stdev=26.16, samples=291 iops : min= 1, max= 34, avg= 9.85, stdev= 6.60, samples=291 lat (msec) : 10=3.61%, 20=17.68%, 50=44.76%, 100=23.40%, 250=10.22% lat (msec) : 500=0.29%, 2000=0.03% cpu : usr=0.06%, sys=1.88%, ctx=4663, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179049: Fri Sep 11 23:11:20 2026 read: IOPS=10, BW=40.4KiB/s (41.4kB/s)(6052KiB/149771msec) clat (msec): min=4, max=319, avg=38.74, stdev=34.40 lat (msec): min=4, max=319, avg=38.75, stdev=34.39 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 19], 40.00th=[ 23], 50.00th=[ 27], 60.00th=[ 34], | 70.00th=[ 43], 80.00th=[ 56], 90.00th=[ 85], 95.00th=[ 114], | 99.00th=[ 163], 99.50th=[ 182], 99.90th=[ 207], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 7, max= 184, per=25.95%, avg=41.01, stdev=27.30, samples=288 iops : min= 1, max= 46, avg= 9.63, stdev= 6.90, samples=288 write: IOPS=10, BW=41.6KiB/s (42.6kB/s)(6236KiB/149771msec); 0 zone resets clat (msec): min=8, max=1380, avg=58.18, stdev=52.56 lat (msec): min=8, max=1380, avg=58.18, stdev=52.56 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 18], 10.00th=[ 22], 20.00th=[ 28], | 30.00th=[ 34], 40.00th=[ 39], 50.00th=[ 46], 60.00th=[ 54], | 70.00th=[ 66], 80.00th=[ 81], 90.00th=[ 109], 95.00th=[ 136], | 99.00th=[ 218], 99.50th=[ 275], 99.90th=[ 326], 99.95th=[ 1385], | 99.99th=[ 1385] bw ( KiB/s): min= 7, max= 127, per=25.34%, avg=41.80, stdev=24.58, samples=291 iops : min= 1, max= 31, avg= 9.82, stdev= 6.20, samples=291 lat (msec) : 10=3.58%, 20=17.42%, 50=45.12%, 100=24.51%, 250=8.95% lat (msec) : 500=0.39%, 2000=0.03% cpu : usr=0.07%, sys=1.79%, ctx=4625, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=158KiB/s (162kB/s), 39.2KiB/s-40.4KiB/s (40.1kB/s-41.4kB/s), io=23.4MiB (24.6MB), run=149771-151646msec WRITE: bw=166KiB/s (170kB/s), 41.6KiB/s-41.9KiB/s (42.6kB/s-42.9kB/s), io=24.6MiB (25.7MB), run=149771-151646msec mix direct rw 16384 by fio with 4 jobs... mix buffer rw 16384 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=179090: Fri Sep 11 23:12:01 2026 read: IOPS=13, BW=208KiB/s (213kB/s)(5920KiB/28397msec) clat (usec): min=43, max=188868, avg=42749.65, stdev=31306.21 lat (usec): min=43, max=188868, avg=42750.87, stdev=31306.22 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 63], 10.00th=[ 906], 20.00th=[ 20579], | 30.00th=[ 26084], 40.00th=[ 32637], 50.00th=[ 36963], 60.00th=[ 43254], | 70.00th=[ 50594], 80.00th=[ 60556], 90.00th=[ 83362], 95.00th=[ 96994], | 99.00th=[164627], 99.50th=[179307], 99.90th=[189793], 99.95th=[189793], | 99.99th=[189793] bw ( KiB/s): min= 95, max= 380, per=27.28%, avg=208.39, stdev=70.71, samples=56 iops : min= 5, max= 23, avg=12.30, stdev= 4.43, samples=56 write: IOPS=14, BW=224KiB/s (230kB/s)(6368KiB/28397msec); 0 zone resets clat (usec): min=1130, max=159890, avg=31283.76, stdev=31912.79 lat (usec): min=1131, max=159893, avg=31287.06, stdev=31912.67 clat percentiles (usec): | 1.00th=[ 1647], 5.00th=[ 1827], 10.00th=[ 2474], 20.00th=[ 4555], | 30.00th=[ 7898], 40.00th=[ 13698], 50.00th=[ 19530], 60.00th=[ 29754], | 70.00th=[ 39584], 80.00th=[ 55313], 90.00th=[ 79168], 95.00th=[ 99091], | 99.00th=[131597], 99.50th=[152044], 99.90th=[160433], 99.95th=[160433], | 99.99th=[160433] bw ( KiB/s): min= 31, max= 443, per=27.89%, avg=224.23, stdev=82.71, samples=56 iops : min= 1, max= 27, avg=13.29, stdev= 5.19, samples=56 lat (usec) : 50=0.26%, 100=4.17%, 250=0.13%, 500=0.13%, 1000=0.13% lat (msec) : 2=3.65%, 4=6.25%, 10=8.72%, 20=11.07%, 50=38.67% lat (msec) : 100=22.14%, 250=4.69% cpu : usr=0.08%, sys=6.37%, ctx=1604, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179091: Fri Sep 11 23:12:01 2026 read: IOPS=12, BW=193KiB/s (198kB/s)(5744KiB/29704msec) clat (usec): min=48, max=200550, avg=44061.58, stdev=30080.36 lat (usec): min=49, max=200551, avg=44071.63, stdev=30086.93 clat percentiles (usec): | 1.00th=[ 55], 5.00th=[ 67], 10.00th=[ 11863], 20.00th=[ 21890], | 30.00th=[ 28705], 40.00th=[ 34866], 50.00th=[ 40109], 60.00th=[ 45351], | 70.00th=[ 53740], 80.00th=[ 62653], 90.00th=[ 79168], 95.00th=[ 95945], | 99.00th=[158335], 99.50th=[181404], 99.90th=[200279], 99.95th=[200279], | 99.99th=[200279] bw ( KiB/s): min= 31, max= 479, per=25.07%, avg=191.53, stdev=74.35, samples=58 iops : min= 1, max= 29, avg=11.22, stdev= 4.66, samples=58 write: IOPS=13, BW=220KiB/s (226kB/s)(6544KiB/29704msec); 0 zone resets clat (usec): min=1412, max=287729, avg=33415.16, stdev=34626.10 lat (usec): min=1414, max=287730, avg=33420.86, stdev=34625.81 clat percentiles (usec): | 1.00th=[ 1614], 5.00th=[ 2180], 10.00th=[ 2802], 20.00th=[ 6194], | 30.00th=[ 9765], 40.00th=[ 16712], 50.00th=[ 23462], 60.00th=[ 30278], | 70.00th=[ 40633], 80.00th=[ 55313], 90.00th=[ 76022], 95.00th=[102237], | 99.00th=[158335], 99.50th=[185598], 99.90th=[287310], 99.95th=[287310], | 99.99th=[287310] bw ( KiB/s): min= 31, max= 479, per=26.91%, avg=216.38, stdev=96.00, samples=58 iops : min= 1, max= 29, avg=12.79, stdev= 5.99, samples=58 lat (usec) : 50=0.13%, 100=3.39%, 250=0.26%, 500=0.13%, 750=0.13% lat (msec) : 2=1.69%, 4=5.60%, 10=8.85%, 20=12.11%, 50=39.32% lat (msec) : 100=23.44%, 250=4.82%, 500=0.13% cpu : usr=0.09%, sys=5.97%, ctx=1631, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179092: Fri Sep 11 23:12:01 2026 read: IOPS=12, BW=200KiB/s (204kB/s)(6256KiB/31341msec) clat (usec): min=53, max=180582, avg=44943.17, stdev=29943.30 lat (usec): min=55, max=180583, avg=44944.47, stdev=29943.35 clat percentiles (usec): | 1.00th=[ 57], 5.00th=[ 68], 10.00th=[ 15533], 20.00th=[ 23725], | 30.00th=[ 28443], 40.00th=[ 33817], 50.00th=[ 41157], 60.00th=[ 47449], | 70.00th=[ 53740], 80.00th=[ 63177], 90.00th=[ 81265], 95.00th=[100140], | 99.00th=[154141], 99.50th=[173016], 99.90th=[181404], 99.95th=[181404], | 99.99th=[181404] bw ( KiB/s): min= 94, max= 351, per=26.11%, avg=199.50, stdev=65.64, samples=62 iops : min= 5, max= 21, avg=11.74, stdev= 4.13, samples=62 write: IOPS=12, BW=192KiB/s (197kB/s)(6032KiB/31341msec); 0 zone resets clat (usec): min=1295, max=248544, avg=35973.49, stdev=37028.78 lat (usec): min=1297, max=248546, avg=36010.07, stdev=37067.38 clat percentiles (usec): | 1.00th=[ 1434], 5.00th=[ 1876], 10.00th=[ 2999], 20.00th=[ 5997], | 30.00th=[ 10028], 40.00th=[ 16188], 50.00th=[ 24249], 60.00th=[ 32637], | 70.00th=[ 43254], 80.00th=[ 62129], 90.00th=[ 89654], 95.00th=[108528], | 99.00th=[160433], 99.50th=[170918], 99.90th=[248513], 99.95th=[248513], | 99.99th=[248513] bw ( KiB/s): min= 62, max= 448, per=24.13%, avg=194.03, stdev=89.46, samples=61 iops : min= 3, max= 28, avg=11.39, stdev= 5.68, samples=61 lat (usec) : 100=4.04%, 500=0.26% lat (msec) : 2=2.99%, 4=3.91%, 10=8.20%, 20=10.03%, 50=40.23% lat (msec) : 100=24.74%, 250=5.60% cpu : usr=0.07%, sys=6.10%, ctx=1762, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179093: Fri Sep 11 23:12:01 2026 read: IOPS=13, BW=208KiB/s (213kB/s)(6032KiB/28990msec) clat (usec): min=42, max=207412, avg=43293.20, stdev=35236.06 lat (usec): min=43, max=207412, avg=43300.85, stdev=35231.18 clat percentiles (usec): | 1.00th=[ 48], 5.00th=[ 63], 10.00th=[ 92], 20.00th=[ 19792], | 30.00th=[ 26084], 40.00th=[ 30278], 50.00th=[ 36439], 60.00th=[ 44827], | 70.00th=[ 52167], 80.00th=[ 60556], 90.00th=[ 81265], 95.00th=[101188], | 99.00th=[179307], 99.50th=[187696], 99.90th=[206570], 99.95th=[206570], | 99.99th=[206570] bw ( KiB/s): min= 32, max= 383, per=26.96%, avg=205.96, stdev=79.48, samples=57 iops : min= 2, max= 23, avg=12.14, stdev= 4.97, samples=57 write: IOPS=13, BW=216KiB/s (221kB/s)(6256KiB/28990msec); 0 zone resets clat (usec): min=1421, max=231698, avg=32242.55, stdev=34208.66 lat (usec): min=1422, max=231701, avg=32248.75, stdev=34213.82 clat percentiles (usec): | 1.00th=[ 1532], 5.00th=[ 1729], 10.00th=[ 2278], 20.00th=[ 4948], | 30.00th=[ 8029], 40.00th=[ 11863], 50.00th=[ 20579], 60.00th=[ 30278], | 70.00th=[ 41157], 80.00th=[ 56361], 90.00th=[ 79168], 95.00th=[ 96994], | 99.00th=[139461], 99.50th=[198181], 99.90th=[231736], 99.95th=[231736], | 99.99th=[231736] bw ( KiB/s): min= 63, max= 416, per=26.78%, avg=215.33, stdev=89.89, samples=57 iops : min= 3, max= 26, avg=12.72, stdev= 5.76, samples=57 lat (usec) : 50=0.52%, 100=4.69%, 250=0.26%, 500=0.39% lat (msec) : 2=4.69%, 4=4.69%, 10=9.64%, 20=10.55%, 50=35.29% lat (msec) : 100=24.61%, 250=4.69% cpu : usr=0.07%, sys=5.93%, ctx=1616, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=764KiB/s (783kB/s), 193KiB/s-208KiB/s (198kB/s-213kB/s), io=23.4MiB (24.5MB), run=28397-31341msec WRITE: bw=804KiB/s (823kB/s), 192KiB/s-224KiB/s (197kB/s-230kB/s), io=24.6MiB (25.8MB), run=28397-31341msec rand-rw: (groupid=0, jobs=1): err= 0: pid=179096: Fri Sep 11 23:12:11 2026 read: IOPS=9, BW=144KiB/s (148kB/s)(5920KiB/41046msec) clat (msec): min=5, max=219, avg=42.48, stdev=36.77 lat (msec): min=5, max=219, avg=42.49, stdev=36.76 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 25], 50.00th=[ 31], 60.00th=[ 37], | 70.00th=[ 44], 80.00th=[ 56], 90.00th=[ 94], 95.00th=[ 123], | 99.00th=[ 180], 99.50th=[ 199], 99.90th=[ 220], 99.95th=[ 220], | 99.99th=[ 220] bw ( KiB/s): min= 31, max= 447, per=24.51%, avg=142.65, stdev=87.61, samples=79 iops : min= 1, max= 27, avg= 8.10, stdev= 5.53, samples=79 write: IOPS=9, BW=155KiB/s (159kB/s)(6368KiB/41046msec); 0 zone resets clat (msec): min=12, max=270, avg=63.40, stdev=44.39 lat (msec): min=12, max=270, avg=63.40, stdev=44.39 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 21], 10.00th=[ 24], 20.00th=[ 31], | 30.00th=[ 37], 40.00th=[ 43], 50.00th=[ 50], 60.00th=[ 58], | 70.00th=[ 72], 80.00th=[ 92], 90.00th=[ 124], 95.00th=[ 161], | 99.00th=[ 245], 99.50th=[ 259], 99.90th=[ 271], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 31, max= 444, per=24.98%, avg=152.86, stdev=97.15, samples=80 iops : min= 1, max= 27, avg= 8.74, stdev= 6.12, samples=80 lat (msec) : 10=1.43%, 20=13.93%, 50=47.66%, 100=24.74%, 250=11.98% lat (msec) : 500=0.26% cpu : usr=0.07%, sys=1.81%, ctx=1191, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179097: Fri Sep 11 23:12:11 2026 read: IOPS=8, BW=141KiB/s (144kB/s)(5744KiB/40834msec) clat (msec): min=6, max=263, avg=44.05, stdev=38.79 lat (msec): min=6, max=263, avg=44.05, stdev=38.79 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 25], 50.00th=[ 31], 60.00th=[ 39], | 70.00th=[ 48], 80.00th=[ 64], 90.00th=[ 100], 95.00th=[ 132], | 99.00th=[ 190], 99.50th=[ 205], 99.90th=[ 264], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 23, max= 473, per=24.94%, avg=145.16, stdev=96.33, samples=77 iops : min= 1, max= 29, avg= 8.26, stdev= 6.07, samples=77 write: IOPS=10, BW=160KiB/s (164kB/s)(6544KiB/40834msec); 0 zone resets clat (msec): min=15, max=236, avg=61.05, stdev=38.42 lat (msec): min=15, max=236, avg=61.05, stdev=38.42 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 24], 10.00th=[ 26], 20.00th=[ 31], | 30.00th=[ 36], 40.00th=[ 42], 50.00th=[ 47], 60.00th=[ 58], | 70.00th=[ 69], 80.00th=[ 88], 90.00th=[ 118], 95.00th=[ 144], | 99.00th=[ 186], 99.50th=[ 197], 99.90th=[ 236], 99.95th=[ 236], | 99.99th=[ 236] bw ( KiB/s): min= 31, max= 415, per=26.28%, avg=160.84, stdev=90.86, samples=79 iops : min= 1, max= 25, avg= 9.24, stdev= 5.74, samples=79 lat (msec) : 10=1.82%, 20=12.89%, 50=47.27%, 100=25.13%, 250=12.76% lat (msec) : 500=0.13% cpu : usr=0.06%, sys=1.94%, ctx=1153, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179098: Fri Sep 11 23:12:11 2026 read: IOPS=9, BW=152KiB/s (156kB/s)(6256KiB/41126msec) clat (msec): min=7, max=263, avg=43.30, stdev=39.55 lat (msec): min=7, max=263, avg=43.31, stdev=39.55 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 29], 60.00th=[ 35], | 70.00th=[ 45], 80.00th=[ 58], 90.00th=[ 99], 95.00th=[ 126], | 99.00th=[ 201], 99.50th=[ 236], 99.90th=[ 264], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 31, max= 473, per=26.14%, avg=152.15, stdev=101.67, samples=81 iops : min= 1, max= 29, avg= 8.69, stdev= 6.42, samples=81 write: IOPS=9, BW=147KiB/s (150kB/s)(6032KiB/41126msec); 0 zone resets clat (msec): min=13, max=333, avg=63.95, stdev=43.75 lat (msec): min=13, max=333, avg=63.96, stdev=43.75 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 24], 10.00th=[ 26], 20.00th=[ 32], | 30.00th=[ 37], 40.00th=[ 43], 50.00th=[ 49], 60.00th=[ 58], | 70.00th=[ 73], 80.00th=[ 89], 90.00th=[ 126], 95.00th=[ 150], | 99.00th=[ 224], 99.50th=[ 239], 99.90th=[ 334], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 31, max= 412, per=23.77%, avg=145.48, stdev=86.17, samples=81 iops : min= 1, max= 25, avg= 8.27, stdev= 5.45, samples=81 lat (msec) : 10=0.78%, 20=13.67%, 50=48.57%, 100=23.70%, 250=13.02% lat (msec) : 500=0.26% cpu : usr=0.04%, sys=1.89%, ctx=1142, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179099: Fri Sep 11 23:12:11 2026 read: IOPS=9, BW=147KiB/s (150kB/s)(6032KiB/41118msec) clat (msec): min=5, max=215, avg=43.74, stdev=38.06 lat (msec): min=5, max=215, avg=43.74, stdev=38.06 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 25], 50.00th=[ 29], 60.00th=[ 36], | 70.00th=[ 46], 80.00th=[ 67], 90.00th=[ 102], 95.00th=[ 126], | 99.00th=[ 182], 99.50th=[ 186], 99.90th=[ 215], 99.95th=[ 215], | 99.99th=[ 215] bw ( KiB/s): min= 31, max= 476, per=24.98%, avg=145.36, stdev=94.85, samples=81 iops : min= 1, max= 29, avg= 8.26, stdev= 5.98, samples=81 write: IOPS=9, BW=152KiB/s (156kB/s)(6256KiB/41118msec); 0 zone resets clat (msec): min=11, max=338, avg=62.74, stdev=41.71 lat (msec): min=11, max=338, avg=62.75, stdev=41.71 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 23], 10.00th=[ 26], 20.00th=[ 31], | 30.00th=[ 37], 40.00th=[ 43], 50.00th=[ 51], 60.00th=[ 58], | 70.00th=[ 74], 80.00th=[ 90], 90.00th=[ 117], 95.00th=[ 146], | 99.00th=[ 218], 99.50th=[ 247], 99.90th=[ 338], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 31, max= 447, per=25.12%, avg=153.71, stdev=89.06, samples=80 iops : min= 1, max= 27, avg= 8.79, stdev= 5.62, samples=80 lat (msec) : 10=1.95%, 20=13.54%, 50=45.05%, 100=26.30%, 250=13.02% lat (msec) : 500=0.13% cpu : usr=0.06%, sys=1.96%, ctx=1156, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=582KiB/s (596kB/s), 141KiB/s-152KiB/s (144kB/s-156kB/s), io=23.4MiB (24.5MB), run=40834-41126msec WRITE: bw=613KiB/s (627kB/s), 147KiB/s-160KiB/s (150kB/s-164kB/s), io=24.6MiB (25.8MB), run=40834-41126msec mix direct rw 1048576 by fio with 4 jobs... mix buffer rw 1048576 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=179112: Fri Sep 11 23:12:26 2026 read: IOPS=2, BW=2169KiB/s (2222kB/s)(7168KiB/3304msec) clat (msec): min=66, max=879, avg=229.70, stdev=290.97 lat (msec): min=66, max=879, avg=229.70, stdev=290.97 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 67], 10.00th=[ 67], 20.00th=[ 79], | 30.00th=[ 111], 40.00th=[ 111], 50.00th=[ 114], 60.00th=[ 136], | 70.00th=[ 136], 80.00th=[ 224], 90.00th=[ 877], 95.00th=[ 877], | 99.00th=[ 877], 99.50th=[ 877], 99.90th=[ 877], 99.95th=[ 877], | 99.99th=[ 877] bw ( KiB/s): min= 2011, max= 5988, per=78.36%, avg=3336.67, stdev=2296.12, samples=3 iops : min= 1, max= 5, avg= 2.33, stdev= 2.31, samples=3 write: IOPS=1, BW=1550KiB/s (1587kB/s)(5120KiB/3304msec); 0 zone resets clat (msec): min=113, max=577, avg=328.00, stdev=203.25 lat (msec): min=113, max=577, avg=328.12, stdev=203.21 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 114], 10.00th=[ 114], 20.00th=[ 114], | 30.00th=[ 211], 40.00th=[ 211], 50.00th=[ 228], 60.00th=[ 228], | 70.00th=[ 510], 80.00th=[ 510], 90.00th=[ 575], 95.00th=[ 575], | 99.00th=[ 575], 99.50th=[ 575], 99.90th=[ 575], 99.95th=[ 575], | 99.99th=[ 575] bw ( KiB/s): min= 1497, max= 4079, per=40.33%, avg=2404.50, stdev=1143.37, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 100=16.67%, 250=58.33%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=5.96%, ctx=81, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179113: Fri Sep 11 23:12:26 2026 read: IOPS=0, BW=426KiB/s (436kB/s)(2048KiB/4809msec) clat (msec): min=161, max=1450, avg=806.15, stdev=911.00 lat (msec): min=161, max=1450, avg=806.15, stdev=911.00 clat percentiles (msec): | 1.00th=[ 163], 5.00th=[ 163], 10.00th=[ 163], 20.00th=[ 163], | 30.00th=[ 163], 40.00th=[ 163], 50.00th=[ 163], 60.00th=[ 1452], | 70.00th=[ 1452], 80.00th=[ 1452], 90.00th=[ 1452], 95.00th=[ 1452], | 99.00th=[ 1452], 99.50th=[ 1452], 99.90th=[ 1452], 99.95th=[ 1452], | 99.99th=[ 1452] bw ( KiB/s): min= 1462, max= 2011, per=40.78%, avg=1736.50, stdev=388.20, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2129KiB/s (2180kB/s)(10.0MiB/4809msec); 0 zone resets clat (msec): min=92, max=654, avg=316.64, stdev=173.57 lat (msec): min=92, max=654, avg=316.77, stdev=173.61 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 93], 10.00th=[ 93], 20.00th=[ 122], | 30.00th=[ 194], 40.00th=[ 228], 50.00th=[ 268], 60.00th=[ 355], | 70.00th=[ 363], 80.00th=[ 393], 90.00th=[ 502], 95.00th=[ 659], | 99.00th=[ 659], 99.50th=[ 659], 99.90th=[ 659], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 2031, max= 4023, per=47.63%, avg=2839.50, stdev=965.36, samples=6 iops : min= 1, max= 3, avg= 1.83, stdev= 0.98, samples=6 lat (msec) : 100=8.33%, 250=33.33%, 500=41.67%, 750=8.33%, 2000=8.33% cpu : usr=0.00%, sys=4.06%, ctx=82, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179114: Fri Sep 11 23:12:26 2026 read: IOPS=1, BW=1559KiB/s (1597kB/s)(6144KiB/3940msec) clat (msec): min=121, max=670, avg=318.11, stdev=224.48 lat (msec): min=121, max=670, avg=318.12, stdev=224.48 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 122], 10.00th=[ 122], 20.00th=[ 126], | 30.00th=[ 126], 40.00th=[ 234], 50.00th=[ 234], 60.00th=[ 243], | 70.00th=[ 518], 80.00th=[ 518], 90.00th=[ 667], 95.00th=[ 667], | 99.00th=[ 667], 99.50th=[ 667], 99.90th=[ 667], 99.95th=[ 667], | 99.99th=[ 667] bw ( KiB/s): min= 1448, max= 4079, per=56.18%, avg=2392.25, stdev=1156.52, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1559KiB/s (1597kB/s)(6144KiB/3940msec); 0 zone resets clat (msec): min=115, max=595, avg=325.43, stdev=208.80 lat (msec): min=115, max=595, avg=325.64, stdev=208.71 clat percentiles (msec): | 1.00th=[ 115], 5.00th=[ 115], 10.00th=[ 115], 20.00th=[ 142], | 30.00th=[ 142], 40.00th=[ 174], 50.00th=[ 174], 60.00th=[ 418], | 70.00th=[ 514], 80.00th=[ 514], 90.00th=[ 592], 95.00th=[ 592], | 99.00th=[ 592], 99.50th=[ 592], 99.90th=[ 592], 99.95th=[ 592], | 99.99th=[ 592] bw ( KiB/s): min= 1969, max= 4345, per=46.66%, avg=2781.67, stdev=1354.24, samples=3 iops : min= 1, max= 4, avg= 2.00, stdev= 1.73, samples=3 lat (msec) : 250=58.33%, 500=8.33%, 750=33.33% cpu : usr=0.00%, sys=3.81%, ctx=77, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179115: Fri Sep 11 23:12:26 2026 read: IOPS=1, BW=1203KiB/s (1232kB/s)(5120KiB/4256msec) clat (msec): min=104, max=756, avg=372.52, stdev=245.99 lat (msec): min=104, max=756, avg=372.52, stdev=245.99 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 105], 10.00th=[ 105], 20.00th=[ 105], | 30.00th=[ 245], 40.00th=[ 245], 50.00th=[ 326], 60.00th=[ 326], | 70.00th=[ 435], 80.00th=[ 435], 90.00th=[ 760], 95.00th=[ 760], | 99.00th=[ 760], 99.50th=[ 760], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 4023, max= 4079, per=95.14%, avg=4051.00, stdev=39.60, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1684KiB/s (1725kB/s)(7168KiB/4256msec); 0 zone resets clat (msec): min=66, max=648, avg=337.57, stdev=225.46 lat (msec): min=66, max=648, avg=337.66, stdev=225.46 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 67], 10.00th=[ 67], 20.00th=[ 140], | 30.00th=[ 165], 40.00th=[ 165], 50.00th=[ 317], 60.00th=[ 477], | 70.00th=[ 477], 80.00th=[ 558], 90.00th=[ 651], 95.00th=[ 651], | 99.00th=[ 651], 99.50th=[ 651], 99.90th=[ 651], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 2011, max= 5976, per=54.86%, avg=3270.75, stdev=1869.46, samples=4 iops : min= 1, max= 5, avg= 2.25, stdev= 1.89, samples=4 lat (msec) : 100=8.33%, 250=33.33%, 500=33.33%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=5.03%, ctx=88, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4259KiB/s (4361kB/s), 426KiB/s-2169KiB/s (436kB/s-2222kB/s), io=20.0MiB (20.0MB), run=3304-4809msec WRITE: bw=5962KiB/s (6105kB/s), 1550KiB/s-2129KiB/s (1587kB/s-2180kB/s), io=28.0MiB (29.4MB), run=3304-4809msec rand-rw: (groupid=0, jobs=1): err= 0: pid=179117: Fri Sep 11 23:12:27 2026 read: IOPS=2, BW=2281KiB/s (2335kB/s)(7168KiB/3143msec) clat (usec): min=513, max=260466, avg=189646.76, stdev=93859.96 lat (usec): min=514, max=260467, avg=189648.27, stdev=93859.90 clat percentiles (usec): | 1.00th=[ 515], 5.00th=[ 515], 10.00th=[ 515], 20.00th=[145753], | 30.00th=[181404], 40.00th=[181404], 50.00th=[231736], 60.00th=[252707], | 70.00th=[252707], 80.00th=[254804], 90.00th=[261096], 95.00th=[261096], | 99.00th=[261096], 99.50th=[261096], 99.90th=[261096], 99.95th=[261096], | 99.99th=[261096] bw ( KiB/s): min= 1957, max= 3984, per=69.16%, avg=3161.33, stdev=1066.04, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1629KiB/s (1668kB/s)(5120KiB/3143msec); 0 zone resets clat (msec): min=167, max=604, avg=361.65, stdev=170.98 lat (msec): min=167, max=604, avg=362.76, stdev=170.11 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 169], 10.00th=[ 169], 20.00th=[ 169], | 30.00th=[ 241], 40.00th=[ 241], 50.00th=[ 355], 60.00th=[ 355], | 70.00th=[ 439], 80.00th=[ 439], 90.00th=[ 609], 95.00th=[ 609], | 99.00th=[ 609], 99.50th=[ 609], 99.90th=[ 609], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 1910, max= 2031, per=30.82%, avg=1972.50, stdev=51.47, samples=4 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=4 lat (usec) : 750=8.33% lat (msec) : 250=41.67%, 500=41.67%, 750=8.33% cpu : usr=0.13%, sys=16.36%, ctx=224, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179118: Fri Sep 11 23:12:27 2026 read: IOPS=0, BW=457KiB/s (468kB/s)(2048KiB/4480msec) clat (msec): min=241, max=274, avg=258.26, stdev=23.00 lat (msec): min=241, max=274, avg=258.26, stdev=23.00 clat percentiles (msec): | 1.00th=[ 243], 5.00th=[ 243], 10.00th=[ 243], 20.00th=[ 243], | 30.00th=[ 243], 40.00th=[ 243], 50.00th=[ 243], 60.00th=[ 275], | 70.00th=[ 275], 80.00th=[ 275], 90.00th=[ 275], 95.00th=[ 275], | 99.00th=[ 275], 99.50th=[ 275], 99.90th=[ 275], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 1765, max= 2023, per=41.44%, avg=1894.00, stdev=182.43, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2286KiB/s (2341kB/s)(10.0MiB/4480msec); 0 zone resets clat (msec): min=105, max=840, avg=392.87, stdev=272.60 lat (msec): min=105, max=840, avg=393.03, stdev=272.58 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 106], 10.00th=[ 106], 20.00th=[ 146], | 30.00th=[ 167], 40.00th=[ 213], 50.00th=[ 222], 60.00th=[ 368], | 70.00th=[ 443], 80.00th=[ 651], 90.00th=[ 768], 95.00th=[ 844], | 99.00th=[ 844], 99.50th=[ 844], 99.90th=[ 844], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 1992, max= 4096, per=49.96%, avg=3197.20, stdev=1094.92, samples=5 iops : min= 1, max= 4, avg= 2.40, stdev= 1.34, samples=5 lat (msec) : 250=50.00%, 500=25.00%, 750=8.33%, 1000=16.67% cpu : usr=0.02%, sys=13.55%, ctx=154, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179119: Fri Sep 11 23:12:27 2026 read: IOPS=1, BW=1878KiB/s (1923kB/s)(6144KiB/3272msec) clat (usec): min=1282, max=257968, avg=157771.90, stdev=121939.82 lat (usec): min=1284, max=257969, avg=157773.02, stdev=121939.64 clat percentiles (usec): | 1.00th=[ 1287], 5.00th=[ 1287], 10.00th=[ 1287], 20.00th=[ 1598], | 30.00th=[ 1598], 40.00th=[214959], 50.00th=[214959], 60.00th=[227541], | 70.00th=[242222], 80.00th=[242222], 90.00th=[258999], 95.00th=[258999], | 99.00th=[258999], 99.50th=[258999], 99.90th=[258999], 99.95th=[258999], | 99.99th=[258999] bw ( KiB/s): min= 1910, max= 4063, per=54.44%, avg=2488.25, stdev=1050.86, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1878KiB/s (1923kB/s)(6144KiB/3272msec); 0 zone resets clat (msec): min=148, max=744, avg=385.70, stdev=207.23 lat (msec): min=148, max=744, avg=385.79, stdev=207.23 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 148], 10.00th=[ 148], 20.00th=[ 218], | 30.00th=[ 218], 40.00th=[ 384], 50.00th=[ 384], 60.00th=[ 409], | 70.00th=[ 414], 80.00th=[ 414], 90.00th=[ 743], 95.00th=[ 743], | 99.00th=[ 743], 99.50th=[ 743], 99.90th=[ 743], 99.95th=[ 743], | 99.99th=[ 743] bw ( KiB/s): min= 1910, max= 2031, per=30.84%, avg=1973.50, stdev=49.95, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 lat (msec) : 2=16.67%, 250=41.67%, 500=33.33%, 750=8.33% cpu : usr=0.00%, sys=18.07%, ctx=127, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179120: Fri Sep 11 23:12:27 2026 read: IOPS=1, BW=1189KiB/s (1218kB/s)(5120KiB/4305msec) clat (usec): min=559, max=598840, avg=248129.69, stdev=218985.30 lat (usec): min=560, max=598841, avg=248131.12, stdev=218985.23 clat percentiles (usec): | 1.00th=[ 562], 5.00th=[ 562], 10.00th=[ 562], 20.00th=[ 562], | 30.00th=[166724], 40.00th=[166724], 50.00th=[221250], 60.00th=[221250], | 70.00th=[254804], 80.00th=[254804], 90.00th=[599786], 95.00th=[599786], | 99.00th=[599786], 99.50th=[599786], 99.90th=[599786], 99.95th=[599786], | 99.99th=[599786] bw ( KiB/s): min= 1910, max= 6071, per=87.30%, avg=3990.50, stdev=2942.27, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1665KiB/s (1705kB/s)(7168KiB/4305msec); 0 zone resets clat (msec): min=259, max=750, avg=437.56, stdev=156.52 lat (msec): min=259, max=750, avg=437.64, stdev=156.51 clat percentiles (msec): | 1.00th=[ 259], 5.00th=[ 259], 10.00th=[ 259], 20.00th=[ 334], | 30.00th=[ 363], 40.00th=[ 363], 50.00th=[ 435], 60.00th=[ 456], | 70.00th=[ 456], 80.00th=[ 464], 90.00th=[ 751], 95.00th=[ 751], | 99.00th=[ 751], 99.50th=[ 751], 99.90th=[ 751], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 1939, max= 2048, per=31.20%, avg=1997.00, stdev=42.59, samples=6 iops : min= 1, max= 2, avg= 1.17, stdev= 0.41, samples=6 lat (usec) : 750=8.33% lat (msec) : 250=16.67%, 500=58.33%, 750=8.33%, 1000=8.33% cpu : usr=0.00%, sys=10.66%, ctx=128, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4571KiB/s (4681kB/s), 457KiB/s-2281KiB/s (468kB/s-2335kB/s), io=20.0MiB (20.0MB), run=3143-4480msec WRITE: bw=6400KiB/s (6554kB/s), 1629KiB/s-2286KiB/s (1668kB/s-2341kB/s), io=28.0MiB (29.4MB), run=3143-4480msec mix direct rw 4194304 by fio with 4 jobs... mix buffer rw 4194304 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=179128: Fri Sep 11 23:12:41 2026 read: IOPS=0, BW=2593KiB/s (2655kB/s)(12.0MiB/4739msec) clat (msec): min=761, max=2804, avg=1471.05, stdev=1155.30 lat (msec): min=761, max=2804, avg=1471.05, stdev=1155.30 clat percentiles (msec): | 1.00th=[ 760], 5.00th=[ 760], 10.00th=[ 760], 20.00th=[ 760], | 30.00th=[ 760], 40.00th=[ 844], 50.00th=[ 844], 60.00th=[ 844], | 70.00th=[ 2802], 80.00th=[ 2802], 90.00th=[ 2802], 95.00th=[ 2802], | 99.00th=[ 2802], 99.50th=[ 2802], 99.90th=[ 2802], 99.95th=[ 2802], | 99.99th=[ 2802] bw ( KiB/s): min= 8126, max= 8143, per=100.00%, avg=8134.50, stdev=12.02, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=66.67%, >=2000=33.33% cpu : usr=0.00%, sys=8.44%, ctx=459, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179129: Fri Sep 11 23:12:41 2026 read: IOPS=0, BW=823KiB/s (843kB/s)(4096KiB/4976msec) clat (nsec): min=2816.1M, max=2816.1M, avg=2816077947.00, stdev= 0.00 lat (nsec): min=2816.1M, max=2816.1M, avg=2816078837.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 2802], 5.00th=[ 2802], 10.00th=[ 2802], 20.00th=[ 2802], | 30.00th=[ 2802], 40.00th=[ 2802], 50.00th=[ 2802], 60.00th=[ 2802], | 70.00th=[ 2802], 80.00th=[ 2802], 90.00th=[ 2802], 95.00th=[ 2802], | 99.00th=[ 2802], 99.50th=[ 2802], 99.90th=[ 2802], 99.95th=[ 2802], | 99.99th=[ 2802] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1646KiB/s (1686kB/s)(8192KiB/4976msec); 0 zone resets clat (msec): min=643, max=1149, avg=896.54, stdev=357.98 lat (msec): min=643, max=1149, avg=896.90, stdev=357.76 clat percentiles (msec): | 1.00th=[ 642], 5.00th=[ 642], 10.00th=[ 642], 20.00th=[ 642], | 30.00th=[ 642], 40.00th=[ 642], 50.00th=[ 642], 60.00th=[ 1150], | 70.00th=[ 1150], 80.00th=[ 1150], 90.00th=[ 1150], 95.00th=[ 1150], | 99.00th=[ 1150], 99.50th=[ 1150], 99.90th=[ 1150], 99.95th=[ 1150], | 99.99th=[ 1150] bw ( KiB/s): min= 8143, max= 8143, per=100.00%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=6.25%, ctx=623, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179130: Fri Sep 11 23:12:41 2026 write: IOPS=0, BW=2451KiB/s (2510kB/s)(12.0MiB/5014msec); 0 zone resets clat (msec): min=1039, max=2412, avg=1558.04, stdev=745.35 lat (msec): min=1040, max=2412, avg=1558.40, stdev=745.52 clat percentiles (msec): | 1.00th=[ 1036], 5.00th=[ 1036], 10.00th=[ 1036], 20.00th=[ 1036], | 30.00th=[ 1036], 40.00th=[ 1217], 50.00th=[ 1217], 60.00th=[ 1217], | 70.00th=[ 2400], 80.00th=[ 2400], 90.00th=[ 2400], 95.00th=[ 2400], | 99.00th=[ 2400], 99.50th=[ 2400], 99.90th=[ 2400], 99.95th=[ 2400], | 99.99th=[ 2400] bw ( KiB/s): min= 8143, max= 8192, per=100.00%, avg=8167.50, stdev=34.65, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 2000=66.67%, >=2000=33.33% cpu : usr=0.00%, sys=2.35%, ctx=68, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179131: Fri Sep 11 23:12:41 2026 write: IOPS=0, BW=2690KiB/s (2755kB/s)(12.0MiB/4568msec); 0 zone resets clat (msec): min=394, max=2263, avg=1407.00, stdev=944.12 lat (msec): min=395, max=2263, avg=1407.70, stdev=944.05 clat percentiles (msec): | 1.00th=[ 397], 5.00th=[ 397], 10.00th=[ 397], 20.00th=[ 397], | 30.00th=[ 397], 40.00th=[ 1569], 50.00th=[ 1569], 60.00th=[ 1569], | 70.00th=[ 2265], 80.00th=[ 2265], 90.00th=[ 2265], 95.00th=[ 2265], | 99.00th=[ 2265], 99.50th=[ 2265], 99.90th=[ 2265], 99.95th=[ 2265], | 99.99th=[ 2265] bw ( KiB/s): min= 8078, max= 8192, per=100.00%, avg=8135.00, stdev=80.61, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.59%, ctx=76, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3293KiB/s (3372kB/s), 823KiB/s-2593KiB/s (843kB/s-2655kB/s), io=16.0MiB (16.8MB), run=4739-4976msec WRITE: bw=6535KiB/s (6692kB/s), 1646KiB/s-2690KiB/s (1686kB/s-2755kB/s), io=32.0MiB (33.6MB), run=4568-5014msec rand-rw: (groupid=0, jobs=1): err= 0: pid=179132: Fri Sep 11 23:12:42 2026 read: IOPS=0, BW=2554KiB/s (2615kB/s)(12.0MiB/4811msec) clat (msec): min=678, max=2811, avg=1587.28, stdev=1101.01 lat (msec): min=678, max=2811, avg=1587.29, stdev=1101.01 clat percentiles (msec): | 1.00th=[ 676], 5.00th=[ 676], 10.00th=[ 676], 20.00th=[ 676], | 30.00th=[ 676], 40.00th=[ 1267], 50.00th=[ 1267], 60.00th=[ 1267], | 70.00th=[ 2802], 80.00th=[ 2802], 90.00th=[ 2802], 95.00th=[ 2802], | 99.00th=[ 2802], 99.50th=[ 2802], 99.90th=[ 2802], 99.95th=[ 2802], | 99.99th=[ 2802] bw ( KiB/s): min= 7984, max= 8047, per=100.00%, avg=8015.50, stdev=44.55, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.06%, ctx=50, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179133: Fri Sep 11 23:12:42 2026 read: IOPS=0, BW=810KiB/s (829kB/s)(4096KiB/5058msec) clat (nsec): min=3184.3M, max=3184.3M, avg=3184303017.00, stdev= 0.00 lat (nsec): min=3184.3M, max=3184.3M, avg=3184305114.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 3171], 5.00th=[ 3171], 10.00th=[ 3171], 20.00th=[ 3171], | 30.00th=[ 3171], 40.00th=[ 3171], 50.00th=[ 3171], 60.00th=[ 3171], | 70.00th=[ 3171], 80.00th=[ 3171], 90.00th=[ 3171], 95.00th=[ 3171], | 99.00th=[ 3171], 99.50th=[ 3171], 99.90th=[ 3171], 99.95th=[ 3171], | 99.99th=[ 3171] bw ( KiB/s): min= 7831, max= 7831, per=100.00%, avg=7831.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1620KiB/s (1658kB/s)(8192KiB/5058msec); 0 zone resets clat (msec): min=432, max=1328, avg=880.47, stdev=633.12 lat (msec): min=433, max=1331, avg=882.41, stdev=635.24 clat percentiles (msec): | 1.00th=[ 435], 5.00th=[ 435], 10.00th=[ 435], 20.00th=[ 435], | 30.00th=[ 435], 40.00th=[ 435], 50.00th=[ 435], 60.00th=[ 1334], | 70.00th=[ 1334], 80.00th=[ 1334], 90.00th=[ 1334], 95.00th=[ 1334], | 99.00th=[ 1334], 99.50th=[ 1334], 99.90th=[ 1334], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 7984, max= 7984, per=100.00%, avg=7984.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.43%, ctx=48, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179134: Fri Sep 11 23:12:42 2026 write: IOPS=0, BW=2258KiB/s (2313kB/s)(12.0MiB/5441msec); 0 zone resets clat (msec): min=189, max=4348, avg=1783.25, stdev=2243.18 lat (msec): min=190, max=4348, avg=1783.80, stdev=2243.00 clat percentiles (msec): | 1.00th=[ 190], 5.00th=[ 190], 10.00th=[ 190], 20.00th=[ 190], | 30.00th=[ 190], 40.00th=[ 810], 50.00th=[ 810], 60.00th=[ 810], | 70.00th=[ 4329], 80.00th=[ 4329], 90.00th=[ 4329], 95.00th=[ 4329], | 99.00th=[ 4329], 99.50th=[ 4329], 99.90th=[ 4329], 99.95th=[ 4329], | 99.99th=[ 4329] bw ( KiB/s): min= 7968, max= 7968, per=100.00%, avg=7968.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 1000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.22%, ctx=47, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179135: Fri Sep 11 23:12:42 2026 write: IOPS=0, BW=2337KiB/s (2393kB/s)(12.0MiB/5259msec); 0 zone resets clat (msec): min=368, max=2734, avg=1735.24, stdev=1225.02 lat (msec): min=372, max=2735, avg=1737.37, stdev=1223.25 clat percentiles (msec): | 1.00th=[ 368], 5.00th=[ 368], 10.00th=[ 368], 20.00th=[ 368], | 30.00th=[ 368], 40.00th=[ 2106], 50.00th=[ 2106], 60.00th=[ 2106], | 70.00th=[ 2735], 80.00th=[ 2735], 90.00th=[ 2735], 95.00th=[ 2735], | 99.00th=[ 2735], 99.50th=[ 2735], 99.90th=[ 2735], 99.95th=[ 2735], | 99.99th=[ 2735] bw ( KiB/s): min= 8031, max= 8175, per=100.00%, avg=8103.00, stdev=101.82, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, >=2000=66.67% cpu : usr=0.00%, sys=2.51%, ctx=78, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3239KiB/s (3317kB/s), 810KiB/s-2554KiB/s (829kB/s-2615kB/s), io=16.0MiB (16.8MB), run=4811-5058msec WRITE: bw=6022KiB/s (6167kB/s), 1620KiB/s-2337KiB/s (1658kB/s-2393kB/s), io=32.0MiB (33.6MB), run=5058-5441msec