== sanity test 398b: DIO and buffer IO race ============== 23:06:37 (1770437197) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 4.08048 s, 12.3 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=159489: Fri Feb 6 23:08:04 2026 read: IOPS=20, BW=81.3KiB/s (83.3kB/s)(5992KiB/73661msec) clat (usec): min=102, max=1466.5k, avg=26789.67, stdev=39381.03 lat (usec): min=103, max=1466.5k, avg=26791.69, stdev=39381.39 clat percentiles (usec): | 1.00th=[ 717], 5.00th=[ 9110], 10.00th=[ 13042], | 20.00th=[ 16319], 30.00th=[ 18744], 40.00th=[ 21365], | 50.00th=[ 23987], 60.00th=[ 26870], 70.00th=[ 30540], | 80.00th=[ 34341], 90.00th=[ 41157], 95.00th=[ 46924], | 99.00th=[ 68682], 99.50th=[ 85459], 99.90th=[ 129500], | 99.95th=[1468007], 99.99th=[1468007] bw ( KiB/s): min= 11, max= 135, per=25.48%, avg=82.30, stdev=21.41, samples=144 iops : min= 2, max= 33, avg=20.06, stdev= 5.38, samples=144 write: IOPS=21, BW=85.5KiB/s (87.5kB/s)(6296KiB/73661msec); 0 zone resets clat (usec): min=594, max=145967, avg=21067.43, stdev=15582.55 lat (usec): min=595, max=145968, avg=21068.16, stdev=15582.54 clat percentiles (usec): | 1.00th=[ 750], 5.00th=[ 4228], 10.00th=[ 5866], 20.00th=[ 7504], | 30.00th=[ 10552], 40.00th=[ 14746], 50.00th=[ 17957], 60.00th=[ 21365], | 70.00th=[ 26084], 80.00th=[ 31851], 90.00th=[ 40109], 95.00th=[ 49021], | 99.00th=[ 70779], 99.50th=[ 91751], 99.90th=[135267], 99.95th=[145753], | 99.99th=[145753] bw ( KiB/s): min= 31, max= 159, per=25.69%, avg=87.09, stdev=25.00, samples=143 iops : min= 7, max= 39, avg=21.27, stdev= 6.29, samples=143 lat (usec) : 250=0.10%, 500=0.16%, 750=0.85%, 1000=1.04% lat (msec) : 2=0.72%, 4=1.07%, 10=13.61%, 20=28.32%, 50=49.64% lat (msec) : 100=4.23%, 250=0.23%, 2000=0.03% cpu : usr=0.07%, sys=30.12%, ctx=10963, 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=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=159490: Fri Feb 6 23:08:04 2026 read: IOPS=20, BW=80.5KiB/s (82.5kB/s)(5940KiB/73754msec) clat (usec): min=96, max=130819, avg=26365.99, stdev=13136.69 lat (usec): min=96, max=130820, avg=26367.13, stdev=13136.58 clat percentiles (usec): | 1.00th=[ 742], 5.00th=[ 11207], 10.00th=[ 13698], 20.00th=[ 16450], | 30.00th=[ 18744], 40.00th=[ 21365], 50.00th=[ 24249], 60.00th=[ 27132], | 70.00th=[ 31065], 80.00th=[ 35390], 90.00th=[ 41681], 95.00th=[ 47973], | 99.00th=[ 68682], 99.50th=[ 86508], 99.90th=[ 95945], 99.95th=[130548], | 99.99th=[130548] bw ( KiB/s): min= 6, max= 127, per=25.21%, avg=81.44, stdev=19.82, samples=144 iops : min= 1, max= 31, avg=19.85, stdev= 4.97, samples=144 write: IOPS=21, BW=86.1KiB/s (88.1kB/s)(6348KiB/73754msec); 0 zone resets clat (usec): min=647, max=1437.1k, avg=21581.76, stdev=38540.93 lat (usec): min=647, max=1437.1k, avg=21582.54, stdev=38540.97 clat percentiles (usec): | 1.00th=[ 816], 5.00th=[ 4293], 10.00th=[ 5669], | 20.00th=[ 7308], 30.00th=[ 10421], 40.00th=[ 14746], | 50.00th=[ 17957], 60.00th=[ 21365], 70.00th=[ 26084], | 80.00th=[ 31327], 90.00th=[ 39060], 95.00th=[ 47973], | 99.00th=[ 69731], 99.50th=[ 84411], 99.90th=[ 143655], | 99.95th=[1434452], 99.99th=[1434452] bw ( KiB/s): min= 6, max= 150, per=25.60%, avg=86.78, stdev=25.46, samples=144 iops : min= 1, max= 37, avg=21.19, stdev= 6.35, samples=144 lat (usec) : 100=0.03%, 250=0.03%, 500=0.13%, 750=0.55%, 1000=1.11% lat (msec) : 2=0.55%, 4=1.20%, 10=13.31%, 20=29.13%, 50=49.77% lat (msec) : 100=3.97%, 250=0.16%, 2000=0.03% cpu : usr=0.07%, sys=30.44%, ctx=10687, 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=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=159492: Fri Feb 6 23:08:04 2026 read: IOPS=20, BW=81.3KiB/s (83.2kB/s)(6028KiB/74147msec) clat (usec): min=110, max=122454, avg=25937.15, stdev=13381.08 lat (usec): min=110, max=122455, avg=25937.81, stdev=13381.08 clat percentiles (usec): | 1.00th=[ 742], 5.00th=[ 8356], 10.00th=[ 12780], 20.00th=[ 16319], | 30.00th=[ 18744], 40.00th=[ 21365], 50.00th=[ 23987], 60.00th=[ 26870], | 70.00th=[ 30278], 80.00th=[ 34341], 90.00th=[ 42206], 95.00th=[ 47449], | 99.00th=[ 69731], 99.50th=[ 80217], 99.90th=[114820], 99.95th=[122160], | 99.99th=[122160] bw ( KiB/s): min= 39, max= 192, per=25.53%, avg=82.46, stdev=23.59, samples=144 iops : min= 9, max= 48, avg=20.10, stdev= 5.92, samples=144 write: IOPS=21, BW=84.4KiB/s (86.5kB/s)(6260KiB/74147msec); 0 zone resets clat (usec): min=621, max=1474.4k, avg=22159.21, stdev=39756.95 lat (usec): min=621, max=1474.4k, avg=22159.94, stdev=39756.97 clat percentiles (usec): | 1.00th=[ 775], 5.00th=[ 4228], 10.00th=[ 5866], | 20.00th=[ 7373], 30.00th=[ 10552], 40.00th=[ 15008], | 50.00th=[ 18744], 60.00th=[ 22414], 70.00th=[ 26346], | 80.00th=[ 32900], 90.00th=[ 40109], 95.00th=[ 46924], | 99.00th=[ 71828], 99.50th=[ 86508], 99.90th=[ 135267], | 99.95th=[1468007], 99.99th=[1468007] bw ( KiB/s): min= 15, max= 200, per=25.22%, avg=85.49, stdev=24.43, samples=144 iops : min= 3, max= 50, avg=20.87, stdev= 6.18, samples=144 lat (usec) : 250=0.07%, 500=0.07%, 750=0.78%, 1000=0.94% lat (msec) : 2=0.65%, 4=1.30%, 10=13.64%, 20=26.60%, 50=51.95% lat (msec) : 100=3.71%, 250=0.26%, 2000=0.03% cpu : usr=0.06%, sys=29.78%, ctx=10807, 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=159494: Fri Feb 6 23:08:04 2026 read: IOPS=20, BW=82.1KiB/s (84.1kB/s)(6052KiB/73719msec) clat (usec): min=451, max=132203, avg=25981.61, stdev=12934.85 lat (usec): min=452, max=132203, avg=25982.32, stdev=12934.86 clat percentiles (usec): | 1.00th=[ 734], 5.00th=[ 9896], 10.00th=[ 13173], 20.00th=[ 16319], | 30.00th=[ 18744], 40.00th=[ 20841], 50.00th=[ 24249], 60.00th=[ 26870], | 70.00th=[ 30540], 80.00th=[ 35390], 90.00th=[ 42206], 95.00th=[ 47973], | 99.00th=[ 70779], 99.50th=[ 77071], 99.90th=[ 95945], 99.95th=[132645], | 99.99th=[132645] bw ( KiB/s): min= 39, max= 142, per=25.87%, avg=83.57, stdev=21.44, samples=143 iops : min= 9, max= 35, avg=20.38, stdev= 5.36, samples=143 write: IOPS=21, BW=84.6KiB/s (86.6kB/s)(6236KiB/73719msec); 0 zone resets clat (usec): min=683, max=1445.4k, avg=21847.68, stdev=39136.59 lat (usec): min=684, max=1445.4k, avg=21848.48, stdev=39136.56 clat percentiles (usec): | 1.00th=[ 840], 5.00th=[ 3785], 10.00th=[ 5604], | 20.00th=[ 7111], 30.00th=[ 10159], 40.00th=[ 14746], | 50.00th=[ 18220], 60.00th=[ 21890], 70.00th=[ 26870], | 80.00th=[ 32375], 90.00th=[ 40633], 95.00th=[ 47973], | 99.00th=[ 64750], 99.50th=[ 87557], 99.90th=[ 156238], | 99.95th=[1451230], 99.99th=[1451230] bw ( KiB/s): min= 12, max= 159, per=25.17%, avg=85.31, stdev=24.21, samples=144 iops : min= 3, max= 39, avg=20.82, stdev= 6.03, samples=144 lat (usec) : 500=0.10%, 750=0.68%, 1000=1.07% lat (msec) : 2=0.62%, 4=1.76%, 10=13.18%, 20=28.26%, 50=50.42% lat (msec) : 100=3.71%, 250=0.16%, 2000=0.03% cpu : usr=0.06%, sys=30.16%, ctx=10779, 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=324KiB/s (332kB/s), 80.5KiB/s-82.1KiB/s (82.5kB/s-84.1kB/s), io=23.4MiB (24.6MB), run=73661-74147msec WRITE: bw=339KiB/s (347kB/s), 84.4KiB/s-86.1KiB/s (86.5kB/s-88.1kB/s), io=24.6MiB (25.7MB), run=73661-74147msec rand-rw: (groupid=0, jobs=1): err= 0: pid=159488: Fri Feb 6 23:08:28 2026 read: IOPS=15, BW=60.0KiB/s (62.4kB/s)(5992KiB/98254msec) clat (msec): min=2, max=1491, avg=22.30, stdev=43.24 lat (msec): min=2, max=1491, avg=22.30, stdev=43.24 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 8], 40.00th=[ 12], 50.00th=[ 16], 60.00th=[ 20], | 70.00th=[ 25], 80.00th=[ 33], 90.00th=[ 49], 95.00th=[ 64], | 99.00th=[ 99], 99.50th=[ 117], 99.90th=[ 161], 99.95th=[ 1485], | 99.99th=[ 1485] bw ( KiB/s): min= 15, max= 184, per=25.43%, avg=62.04, stdev=35.71, samples=190 iops : min= 3, max= 46, avg=15.08, stdev= 9.12, samples=190 write: IOPS=16, BW=64.1KiB/s (65.6kB/s)(6296KiB/98254msec); 0 zone resets clat (msec): min=14, max=193, avg=40.98, stdev=20.03 lat (msec): min=14, max=193, avg=40.98, stdev=20.03 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 21], 10.00th=[ 23], 20.00th=[ 26], | 30.00th=[ 29], 40.00th=[ 32], 50.00th=[ 35], 60.00th=[ 40], | 70.00th=[ 46], 80.00th=[ 54], 90.00th=[ 67], 95.00th=[ 79], | 99.00th=[ 111], 99.50th=[ 144], 99.90th=[ 180], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 15, max= 136, per=25.31%, avg=64.55, stdev=31.15, samples=192 iops : min= 3, max= 34, avg=15.71, stdev= 8.01, samples=192 lat (msec) : 4=4.56%, 10=14.13%, 20=13.31%, 50=51.04%, 100=15.72% lat (msec) : 250=1.20%, 2000=0.03% cpu : usr=0.05%, sys=10.84%, ctx=6917, 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=159491: Fri Feb 6 23:08:28 2026 read: IOPS=15, BW=60.5KiB/s (61.0kB/s)(5940KiB/98174msec) clat (msec): min=2, max=1453, avg=21.71, stdev=41.79 lat (msec): min=2, max=1453, avg=21.71, stdev=41.79 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 8], 40.00th=[ 12], 50.00th=[ 16], 60.00th=[ 20], | 70.00th=[ 25], 80.00th=[ 33], 90.00th=[ 46], 95.00th=[ 58], | 99.00th=[ 100], 99.50th=[ 111], 99.90th=[ 148], 99.95th=[ 1452], | 99.99th=[ 1452] bw ( KiB/s): min= 7, max= 192, per=25.34%, avg=61.83, stdev=36.43, samples=190 iops : min= 1, max= 48, avg=15.03, stdev= 9.30, samples=190 write: IOPS=16, BW=64.7KiB/s (66.2kB/s)(6348KiB/98174msec); 0 zone resets clat (msec): min=14, max=178, avg=41.33, stdev=20.81 lat (msec): min=14, max=178, avg=41.33, stdev=20.81 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 21], 10.00th=[ 23], 20.00th=[ 26], | 30.00th=[ 29], 40.00th=[ 32], 50.00th=[ 35], 60.00th=[ 40], | 70.00th=[ 45], 80.00th=[ 55], 90.00th=[ 69], 95.00th=[ 82], | 99.00th=[ 116], 99.50th=[ 138], 99.90th=[ 148], 99.95th=[ 180], | 99.99th=[ 180] bw ( KiB/s): min= 7, max= 144, per=25.59%, avg=65.26, stdev=30.78, samples=192 iops : min= 1, max= 36, avg=15.89, stdev= 7.92, samples=192 lat (msec) : 4=3.68%, 10=14.36%, 20=13.64%, 50=51.82%, 100=14.91% lat (msec) : 250=1.56%, 2000=0.03% cpu : usr=0.06%, sys=10.77%, ctx=6938, 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=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=159493: Fri Feb 6 23:08:28 2026 read: IOPS=15, BW=61.4KiB/s (62.9kB/s)(6028KiB/98168msec) clat (msec): min=2, max=148, avg=21.41, stdev=19.99 lat (msec): min=2, max=148, avg=21.41, stdev=19.99 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 9], 40.00th=[ 13], 50.00th=[ 17], 60.00th=[ 20], | 70.00th=[ 25], 80.00th=[ 33], 90.00th=[ 46], 95.00th=[ 59], | 99.00th=[ 100], 99.50th=[ 123], 99.90th=[ 142], 99.95th=[ 148], | 99.99th=[ 148] bw ( KiB/s): min= 7, max= 208, per=25.41%, avg=62.01, stdev=34.44, samples=192 iops : min= 1, max= 52, avg=15.07, stdev= 8.80, samples=192 write: IOPS=15, BW=63.8KiB/s (65.3kB/s)(6260KiB/98168msec); 0 zone resets clat (msec): min=15, max=1477, avg=41.89, stdev=41.94 lat (msec): min=15, max=1477, avg=41.89, stdev=41.94 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 21], 10.00th=[ 23], 20.00th=[ 27], | 30.00th=[ 29], 40.00th=[ 32], 50.00th=[ 35], 60.00th=[ 39], | 70.00th=[ 45], 80.00th=[ 54], 90.00th=[ 68], 95.00th=[ 82], | 99.00th=[ 132], 99.50th=[ 146], 99.90th=[ 190], 99.95th=[ 1485], | 99.99th=[ 1485] bw ( KiB/s): min= 15, max= 136, per=25.25%, avg=64.38, stdev=31.77, samples=192 iops : min= 3, max= 34, avg=15.67, stdev= 8.18, samples=192 lat (msec) : 4=3.42%, 10=13.87%, 20=14.19%, 50=52.60%, 100=14.52% lat (msec) : 250=1.37%, 2000=0.03% cpu : usr=0.04%, sys=10.99%, ctx=7043, 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=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=159495: Fri Feb 6 23:08:28 2026 read: IOPS=15, BW=62.0KiB/s (63.5kB/s)(6052KiB/97594msec) clat (msec): min=2, max=154, avg=20.97, stdev=19.63 lat (msec): min=2, max=154, avg=20.97, stdev=19.63 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 8], 40.00th=[ 13], 50.00th=[ 17], 60.00th=[ 20], | 70.00th=[ 24], 80.00th=[ 32], 90.00th=[ 46], 95.00th=[ 59], | 99.00th=[ 96], 99.50th=[ 114], 99.90th=[ 155], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 7, max= 216, per=25.86%, avg=63.09, stdev=35.74, samples=190 iops : min= 1, max= 54, avg=15.34, stdev= 9.13, samples=190 write: IOPS=15, BW=63.9KiB/s (65.4kB/s)(6236KiB/97594msec); 0 zone resets clat (msec): min=14, max=1460, avg=42.02, stdev=41.17 lat (msec): min=14, max=1460, avg=42.02, stdev=41.17 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 21], 10.00th=[ 23], 20.00th=[ 26], | 30.00th=[ 29], 40.00th=[ 33], 50.00th=[ 36], 60.00th=[ 40], | 70.00th=[ 45], 80.00th=[ 54], 90.00th=[ 68], 95.00th=[ 81], | 99.00th=[ 112], 99.50th=[ 122], 99.90th=[ 194], 99.95th=[ 1469], | 99.99th=[ 1469] bw ( KiB/s): min= 8, max= 136, per=25.33%, avg=64.60, stdev=30.73, samples=191 iops : min= 2, max= 34, avg=15.72, stdev= 7.91, samples=191 lat (msec) : 4=3.84%, 10=13.64%, 20=13.93%, 50=52.96%, 100=14.39% lat (msec) : 250=1.20%, 2000=0.03% cpu : usr=0.05%, sys=11.12%, ctx=7015, 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=244KiB/s (250kB/s), 60.5KiB/s-62.0KiB/s (61.0kB/s-63.5kB/s), io=23.4MiB (24.6MB), run=97594-98254msec WRITE: bw=256KiB/s (262kB/s), 63.8KiB/s-64.7KiB/s (65.3kB/s-66.2kB/s), io=24.6MiB (25.7MB), run=97594-98254msec 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=159529: Fri Feb 6 23:08:47 2026 read: IOPS=29, BW=475KiB/s (487kB/s)(5920KiB/12451msec) clat (usec): min=105, max=108607, avg=17469.72, stdev=13317.10 lat (usec): min=106, max=108607, avg=17470.31, stdev=13317.11 clat percentiles (usec): | 1.00th=[ 147], 5.00th=[ 383], 10.00th=[ 644], 20.00th=[ 9634], | 30.00th=[ 11600], 40.00th=[ 13173], 50.00th=[ 15008], 60.00th=[ 17433], | 70.00th=[ 19530], 80.00th=[ 23725], 90.00th=[ 32375], 95.00th=[ 42206], | 99.00th=[ 65274], 99.50th=[ 82314], 99.90th=[108528], 99.95th=[108528], | 99.99th=[108528] bw ( KiB/s): min= 191, max= 828, per=25.40%, avg=470.75, stdev=154.26, samples=24 iops : min= 11, max= 51, avg=28.87, stdev= 9.59, samples=24 write: IOPS=31, BW=511KiB/s (524kB/s)(6368KiB/12451msec); 0 zone resets clat (usec): min=1066, max=78449, avg=14730.49, stdev=12216.95 lat (usec): min=1067, max=78449, avg=14731.57, stdev=12216.97 clat percentiles (usec): | 1.00th=[ 1352], 5.00th=[ 2540], 10.00th=[ 3752], 20.00th=[ 4817], | 30.00th=[ 5997], 40.00th=[ 8160], 50.00th=[11207], 60.00th=[13698], | 70.00th=[19006], 80.00th=[23987], 90.00th=[30278], 95.00th=[35914], | 99.00th=[59507], 99.50th=[72877], 99.90th=[78119], 99.95th=[78119], | 99.99th=[78119] bw ( KiB/s): min= 96, max= 832, per=26.16%, avg=510.17, stdev=186.68, samples=24 iops : min= 6, max= 52, avg=31.38, stdev=11.76, samples=24 lat (usec) : 250=0.91%, 500=3.26%, 750=1.17%, 1000=0.78% lat (msec) : 2=1.82%, 4=4.56%, 10=21.09%, 20=38.67%, 50=25.52% lat (msec) : 100=2.08%, 250=0.13% cpu : usr=0.08%, sys=31.07%, ctx=2451, 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=159530: Fri Feb 6 23:08:47 2026 read: IOPS=27, BW=444KiB/s (455kB/s)(5744KiB/12923msec) clat (usec): min=125, max=71744, avg=17015.26, stdev=10512.92 lat (usec): min=126, max=71745, avg=17015.93, stdev=10512.96 clat percentiles (usec): | 1.00th=[ 269], 5.00th=[ 388], 10.00th=[ 586], 20.00th=[10028], | 30.00th=[12256], 40.00th=[13960], 50.00th=[16319], 60.00th=[18220], | 70.00th=[20317], 80.00th=[23987], 90.00th=[28443], 95.00th=[35914], | 99.00th=[50070], 99.50th=[63177], 99.90th=[71828], 99.95th=[71828], | 99.99th=[71828] bw ( KiB/s): min= 127, max= 701, per=23.69%, avg=438.92, stdev=150.26, samples=25 iops : min= 7, max= 43, avg=26.88, stdev= 9.42, samples=25 write: IOPS=31, BW=506KiB/s (519kB/s)(6544KiB/12923msec); 0 zone resets clat (usec): min=1334, max=82371, avg=16404.08, stdev=14218.02 lat (usec): min=1335, max=82372, avg=16405.18, stdev=14218.00 clat percentiles (usec): | 1.00th=[ 1582], 5.00th=[ 2737], 10.00th=[ 3785], 20.00th=[ 4948], | 30.00th=[ 6194], 40.00th=[10159], 50.00th=[12518], 60.00th=[15533], | 70.00th=[19530], 80.00th=[25560], 90.00th=[35914], 95.00th=[45876], | 99.00th=[63177], 99.50th=[80217], 99.90th=[82314], 99.95th=[82314], | 99.99th=[82314] bw ( KiB/s): min= 256, max= 958, per=25.26%, avg=492.48, stdev=157.25, samples=25 iops : min= 16, max= 59, avg=30.24, stdev= 9.85, samples=25 lat (usec) : 250=0.39%, 500=2.73%, 750=1.56%, 1000=0.52% lat (msec) : 2=1.82%, 4=4.69%, 10=18.75%, 20=39.84%, 50=27.21% lat (msec) : 100=2.47% cpu : usr=0.10%, sys=30.72%, ctx=2492, 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=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=159531: Fri Feb 6 23:08:47 2026 read: IOPS=30, BW=491KiB/s (502kB/s)(6256KiB/12750msec) clat (usec): min=101, max=108979, avg=17597.86, stdev=12265.05 lat (usec): min=101, max=108980, avg=17598.69, stdev=12265.13 clat percentiles (usec): | 1.00th=[ 204], 5.00th=[ 408], 10.00th=[ 5211], 20.00th=[ 9765], | 30.00th=[ 11731], 40.00th=[ 13173], 50.00th=[ 15270], 60.00th=[ 17957], | 70.00th=[ 21103], 80.00th=[ 25035], 90.00th=[ 30802], 95.00th=[ 38011], | 99.00th=[ 66847], 99.50th=[ 79168], 99.90th=[108528], 99.95th=[108528], | 99.99th=[108528] bw ( KiB/s): min= 224, max= 830, per=26.56%, avg=492.16, stdev=147.87, samples=25 iops : min= 14, max= 51, avg=30.24, stdev= 9.18, samples=25 write: IOPS=29, BW=473KiB/s (484kB/s)(6032KiB/12750msec); 0 zone resets clat (usec): min=1045, max=125763, avg=15478.96, stdev=12395.33 lat (usec): min=1047, max=125765, avg=15480.28, stdev=12395.68 clat percentiles (usec): | 1.00th=[ 1352], 5.00th=[ 3261], 10.00th=[ 3982], 20.00th=[ 5145], | 30.00th=[ 6718], 40.00th=[ 9765], 50.00th=[ 12518], 60.00th=[ 15926], | 70.00th=[ 20579], 80.00th=[ 24511], 90.00th=[ 30802], 95.00th=[ 36439], | 99.00th=[ 52167], 99.50th=[ 55837], 99.90th=[125305], 99.95th=[125305], | 99.99th=[125305] bw ( KiB/s): min= 160, max= 704, per=23.83%, avg=464.72, stdev=154.49, samples=25 iops : min= 10, max= 44, avg=28.52, stdev= 9.62, samples=25 lat (usec) : 250=0.52%, 500=3.39%, 750=0.91% lat (msec) : 2=1.69%, 4=3.65%, 10=20.96%, 20=36.72%, 50=30.73% lat (msec) : 100=1.17%, 250=0.26% cpu : usr=0.09%, sys=30.94%, ctx=2526, 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=159532: Fri Feb 6 23:08:47 2026 read: IOPS=29, BW=480KiB/s (491kB/s)(6032KiB/12576msec) clat (usec): min=63, max=74108, avg=16602.08, stdev=11494.56 lat (usec): min=63, max=74109, avg=16602.77, stdev=11494.60 clat percentiles (usec): | 1.00th=[ 128], 5.00th=[ 314], 10.00th=[ 396], 20.00th=[ 8979], | 30.00th=[11076], 40.00th=[13042], 50.00th=[15401], 60.00th=[18220], | 70.00th=[20841], 80.00th=[24249], 90.00th=[28705], 95.00th=[35914], | 99.00th=[60031], 99.50th=[68682], 99.90th=[73925], 99.95th=[73925], | 99.99th=[73925] bw ( KiB/s): min= 160, max= 796, per=25.40%, avg=470.75, stdev=147.44, samples=24 iops : min= 10, max= 49, avg=28.92, stdev= 9.16, samples=24 write: IOPS=31, BW=497KiB/s (509kB/s)(6256KiB/12576msec); 0 zone resets clat (usec): min=850, max=122627, avg=15716.14, stdev=13404.25 lat (usec): min=851, max=122628, avg=15717.51, stdev=13404.42 clat percentiles (usec): | 1.00th=[ 1336], 5.00th=[ 3064], 10.00th=[ 4015], 20.00th=[ 5145], | 30.00th=[ 6325], 40.00th=[ 8979], 50.00th=[ 11994], 60.00th=[ 15664], | 70.00th=[ 20055], 80.00th=[ 25297], 90.00th=[ 32900], 95.00th=[ 38536], | 99.00th=[ 55837], 99.50th=[ 85459], 99.90th=[122160], 99.95th=[122160], | 99.99th=[122160] bw ( KiB/s): min= 128, max= 828, per=25.09%, avg=489.25, stdev=175.38, samples=24 iops : min= 8, max= 51, avg=30.04, stdev=11.05, samples=24 lat (usec) : 100=0.26%, 250=0.91%, 500=5.08%, 750=0.65%, 1000=0.39% lat (msec) : 2=1.04%, 4=4.17%, 10=20.57%, 20=35.29%, 50=30.08% lat (msec) : 100=1.43%, 250=0.13% cpu : usr=0.15%, sys=30.71%, ctx=2539, 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=1853KiB/s (1898kB/s), 444KiB/s-491KiB/s (455kB/s-502kB/s), io=23.4MiB (24.5MB), run=12451-12923msec WRITE: bw=1950KiB/s (1997kB/s), 473KiB/s-511KiB/s (484kB/s-524kB/s), io=24.6MiB (25.8MB), run=12451-12923msec rand-rw: (groupid=0, jobs=1): err= 0: pid=159524: Fri Feb 6 23:08:56 2026 read: IOPS=16, BW=270KiB/s (277kB/s)(5920KiB/21899msec) clat (usec): min=2944, max=99404, avg=16169.07, stdev=15131.29 lat (usec): min=2945, max=99405, avg=16169.83, stdev=15131.21 clat percentiles (usec): | 1.00th=[ 3687], 5.00th=[ 4490], 10.00th=[ 4817], 20.00th=[ 5800], | 30.00th=[ 7111], 40.00th=[ 8455], 50.00th=[10159], 60.00th=[13173], | 70.00th=[16909], 80.00th=[22676], 90.00th=[36439], 95.00th=[52167], | 99.00th=[76022], 99.50th=[79168], 99.90th=[99091], 99.95th=[99091], | 99.99th=[99091] bw ( KiB/s): min= 63, max= 832, per=24.51%, avg=267.93, stdev=137.71, samples=43 iops : min= 3, max= 52, avg=16.44, stdev= 8.68, samples=43 write: IOPS=18, BW=291KiB/s (298kB/s)(6368KiB/21899msec); 0 zone resets clat (msec): min=14, max=139, avg=39.66, stdev=17.21 lat (msec): min=14, max=139, avg=39.66, stdev=17.21 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 22], 10.00th=[ 23], 20.00th=[ 28], | 30.00th=[ 31], 40.00th=[ 34], 50.00th=[ 36], 60.00th=[ 40], | 70.00th=[ 44], 80.00th=[ 49], 90.00th=[ 61], 95.00th=[ 73], | 99.00th=[ 111], 99.50th=[ 123], 99.90th=[ 140], 99.95th=[ 140], | 99.99th=[ 140] bw ( KiB/s): min= 96, max= 544, per=25.23%, avg=290.09, stdev=108.80, samples=43 iops : min= 6, max= 34, avg=17.81, stdev= 6.94, samples=43 lat (msec) : 4=0.78%, 10=22.27%, 20=14.58%, 50=50.26%, 100=11.33% lat (msec) : 250=0.78% cpu : usr=0.09%, sys=8.26%, ctx=1529, majf=0, minf=17 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=159525: Fri Feb 6 23:08:56 2026 read: IOPS=16, BW=264KiB/s (270kB/s)(5744KiB/21789msec) clat (usec): min=3246, max=96278, avg=14761.82, stdev=13706.69 lat (usec): min=3246, max=96279, avg=14762.74, stdev=13706.60 clat percentiles (usec): | 1.00th=[ 4228], 5.00th=[ 4686], 10.00th=[ 5211], 20.00th=[ 5932], | 30.00th=[ 6915], 40.00th=[ 7832], 50.00th=[ 9241], 60.00th=[11338], | 70.00th=[14877], 80.00th=[21365], 90.00th=[31065], 95.00th=[47973], | 99.00th=[68682], 99.50th=[72877], 99.90th=[95945], 99.95th=[95945], | 99.99th=[95945] bw ( KiB/s): min= 32, max= 672, per=24.04%, avg=262.79, stdev=139.36, samples=43 iops : min= 2, max= 42, avg=16.12, stdev= 8.76, samples=43 write: IOPS=18, BW=300KiB/s (308kB/s)(6544KiB/21789msec); 0 zone resets clat (msec): min=14, max=128, avg=40.23, stdev=18.90 lat (msec): min=14, max=128, avg=40.23, stdev=18.90 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 21], 10.00th=[ 23], 20.00th=[ 27], | 30.00th=[ 29], 40.00th=[ 33], 50.00th=[ 35], 60.00th=[ 38], | 70.00th=[ 43], 80.00th=[ 54], 90.00th=[ 66], 95.00th=[ 80], | 99.00th=[ 103], 99.50th=[ 115], 99.90th=[ 129], 99.95th=[ 129], | 99.99th=[ 129] bw ( KiB/s): min= 127, max= 544, per=26.12%, avg=300.37, stdev=112.72, samples=43 iops : min= 7, max= 34, avg=18.47, stdev= 7.16, samples=43 lat (msec) : 4=0.26%, 10=23.96%, 20=15.10%, 50=46.48%, 100=13.41% lat (msec) : 250=0.78% cpu : usr=0.08%, sys=7.91%, ctx=1602, 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=159527: Fri Feb 6 23:08:56 2026 read: IOPS=18, BW=294KiB/s (301kB/s)(6256KiB/21295msec) clat (msec): min=3, max=124, avg=16.06, stdev=16.04 lat (msec): min=3, max=124, avg=16.06, stdev=16.04 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 9], 50.00th=[ 11], 60.00th=[ 13], | 70.00th=[ 16], 80.00th=[ 24], 90.00th=[ 35], 95.00th=[ 48], | 99.00th=[ 85], 99.50th=[ 102], 99.90th=[ 125], 99.95th=[ 125], | 99.99th=[ 125] bw ( KiB/s): min= 95, max= 608, per=27.08%, avg=295.98, stdev=143.83, samples=42 iops : min= 5, max= 38, avg=18.19, stdev= 9.12, samples=42 write: IOPS=17, BW=283KiB/s (290kB/s)(6032KiB/21295msec); 0 zone resets clat (msec): min=15, max=134, avg=39.66, stdev=16.98 lat (msec): min=15, max=134, avg=39.66, stdev=16.98 clat percentiles (msec): | 1.00th=[ 19], 5.00th=[ 22], 10.00th=[ 23], 20.00th=[ 27], | 30.00th=[ 30], 40.00th=[ 33], 50.00th=[ 35], 60.00th=[ 39], | 70.00th=[ 44], 80.00th=[ 51], 90.00th=[ 62], 95.00th=[ 71], | 99.00th=[ 104], 99.50th=[ 125], 99.90th=[ 134], 99.95th=[ 134], | 99.99th=[ 134] bw ( KiB/s): min= 95, max= 576, per=24.54%, avg=282.21, stdev=107.39, samples=42 iops : min= 5, max= 36, avg=17.33, stdev= 6.81, samples=42 lat (msec) : 4=1.30%, 10=23.44%, 20=14.84%, 50=48.18%, 100=11.46% lat (msec) : 250=0.78% cpu : usr=0.06%, sys=8.49%, ctx=1564, 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=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=159528: Fri Feb 6 23:08:56 2026 read: IOPS=17, BW=283KiB/s (290kB/s)(6032KiB/21320msec) clat (msec): min=3, max=116, avg=15.73, stdev=15.26 lat (msec): min=3, max=116, avg=15.73, stdev=15.26 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 8], 40.00th=[ 9], 50.00th=[ 11], 60.00th=[ 12], | 70.00th=[ 16], 80.00th=[ 22], 90.00th=[ 35], 95.00th=[ 47], | 99.00th=[ 88], 99.50th=[ 103], 99.90th=[ 117], 99.95th=[ 117], | 99.99th=[ 117] bw ( KiB/s): min= 128, max= 576, per=25.67%, avg=280.52, stdev=122.18, samples=42 iops : min= 8, max= 36, avg=17.21, stdev= 7.67, samples=42 write: IOPS=18, BW=293KiB/s (300kB/s)(6256KiB/21320msec); 0 zone resets clat (msec): min=17, max=127, avg=39.11, stdev=17.34 lat (msec): min=17, max=127, avg=39.12, stdev=17.34 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 22], 10.00th=[ 23], 20.00th=[ 27], | 30.00th=[ 29], 40.00th=[ 33], 50.00th=[ 35], 60.00th=[ 39], | 70.00th=[ 43], 80.00th=[ 48], 90.00th=[ 59], 95.00th=[ 77], | 99.00th=[ 105], 99.50th=[ 124], 99.90th=[ 128], 99.95th=[ 128], | 99.99th=[ 128] bw ( KiB/s): min= 128, max= 576, per=25.51%, avg=293.31, stdev=115.64, samples=42 iops : min= 8, max= 36, avg=18.02, stdev= 7.34, samples=42 lat (msec) : 4=0.52%, 10=23.96%, 20=15.10%, 50=49.48%, 100=9.77% lat (msec) : 250=1.17% cpu : usr=0.08%, sys=8.68%, ctx=1605, 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=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=1094KiB/s (1120kB/s), 264KiB/s-294KiB/s (270kB/s-301kB/s), io=23.4MiB (24.5MB), run=21295-21899msec WRITE: bw=1151KiB/s (1178kB/s), 283KiB/s-300KiB/s (290kB/s-308kB/s), io=24.6MiB (25.8MB), run=21295-21899msec 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=159540: Fri Feb 6 23:09:03 2026 read: IOPS=2, BW=2315KiB/s (2371kB/s)(7168KiB/3096msec) clat (msec): min=84, max=1042, avg=256.11, stdev=347.91 lat (msec): min=84, max=1042, avg=256.11, stdev=347.91 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 85], 10.00th=[ 85], 20.00th=[ 113], | 30.00th=[ 114], 40.00th=[ 114], 50.00th=[ 118], 60.00th=[ 146], | 70.00th=[ 146], 80.00th=[ 176], 90.00th=[ 1045], 95.00th=[ 1045], | 99.00th=[ 1045], 99.50th=[ 1045], 99.90th=[ 1045], 99.95th=[ 1045], | 99.99th=[ 1045] bw ( KiB/s): min= 2035, max= 6144, per=57.22%, avg=3409.00, stdev=2368.59, samples=3 iops : min= 1, max= 6, avg= 3.00, stdev= 2.65, samples=3 write: IOPS=1, BW=1654KiB/s (1693kB/s)(5120KiB/3096msec); 0 zone resets clat (msec): min=121, max=401, avg=252.50, stdev=103.04 lat (msec): min=121, max=401, avg=252.54, stdev=103.03 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 122], 10.00th=[ 122], 20.00th=[ 122], | 30.00th=[ 203], 40.00th=[ 203], 50.00th=[ 264], 60.00th=[ 264], | 70.00th=[ 275], 80.00th=[ 275], 90.00th=[ 401], 95.00th=[ 401], | 99.00th=[ 401], 99.50th=[ 401], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 2035, max= 3893, per=31.87%, avg=2658.67, stdev=1068.98, samples=3 iops : min= 1, max= 3, avg= 2.00, stdev= 1.00, samples=3 lat (msec) : 100=8.33%, 250=58.33%, 500=25.00%, 2000=8.33% cpu : usr=0.00%, sys=40.06%, ctx=1344, 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=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=159542: Fri Feb 6 23:09:03 2026 read: IOPS=0, BW=596KiB/s (610kB/s)(2048KiB/3437msec) clat (msec): min=222, max=1086, avg=654.14, stdev=610.88 lat (msec): min=222, max=1086, avg=654.14, stdev=610.88 clat percentiles (msec): | 1.00th=[ 222], 5.00th=[ 222], 10.00th=[ 222], 20.00th=[ 222], | 30.00th=[ 222], 40.00th=[ 222], 50.00th=[ 222], 60.00th=[ 1083], | 70.00th=[ 1083], 80.00th=[ 1083], 90.00th=[ 1083], 95.00th=[ 1083], | 99.00th=[ 1083], 99.50th=[ 1083], 99.90th=[ 1083], 99.95th=[ 1083], | 99.99th=[ 1083] bw ( KiB/s): min= 1946, max= 2048, per=33.52%, avg=1997.00, stdev=72.12, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2979KiB/s (3051kB/s)(10.0MiB/3437msec); 0 zone resets clat (msec): min=74, max=442, avg=205.78, stdev=128.72 lat (msec): min=74, max=442, avg=205.83, stdev=128.72 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 75], 10.00th=[ 75], 20.00th=[ 87], | 30.00th=[ 113], 40.00th=[ 125], 50.00th=[ 138], 60.00th=[ 159], | 70.00th=[ 257], 80.00th=[ 284], 90.00th=[ 380], 95.00th=[ 443], | 99.00th=[ 443], 99.50th=[ 443], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 1946, max= 4096, per=36.41%, avg=3037.00, stdev=1208.98, samples=4 iops : min= 1, max= 4, avg= 2.25, stdev= 1.50, samples=4 lat (msec) : 100=16.67%, 250=41.67%, 500=33.33%, 2000=8.33% cpu : usr=0.00%, sys=40.05%, ctx=861, 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=159543: Fri Feb 6 23:09:03 2026 read: IOPS=1, BW=1983KiB/s (2031kB/s)(6144KiB/3098msec) clat (usec): min=568, max=379585, avg=130425.80, stdev=140504.51 lat (usec): min=569, max=379585, avg=130426.53, stdev=140504.29 clat percentiles (usec): | 1.00th=[ 570], 5.00th=[ 570], 10.00th=[ 570], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 91751], 50.00th=[ 91751], 60.00th=[143655], | 70.00th=[164627], 80.00th=[164627], 90.00th=[379585], 95.00th=[379585], | 99.00th=[379585], 99.50th=[379585], 99.90th=[379585], 99.95th=[379585], | 99.99th=[379585] bw ( KiB/s): min= 1946, max= 6107, per=67.58%, avg=4026.50, stdev=2942.27, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1983KiB/s (2031kB/s)(6144KiB/3098msec); 0 zone resets clat (msec): min=151, max=1327, avg=382.74, stdev=464.02 lat (msec): min=152, max=1327, avg=382.80, stdev=464.03 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 153], 10.00th=[ 153], 20.00th=[ 174], | 30.00th=[ 174], 40.00th=[ 180], 50.00th=[ 180], 60.00th=[ 230], | 70.00th=[ 234], 80.00th=[ 234], 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= 1946, max= 4071, per=37.66%, avg=3141.33, stdev=1087.12, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 lat (usec) : 750=16.67% lat (msec) : 100=8.33%, 250=58.33%, 500=8.33%, 2000=8.33% cpu : usr=0.00%, sys=32.61%, ctx=404, 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=159544: Fri Feb 6 23:09:03 2026 read: IOPS=1, BW=1737KiB/s (1779kB/s)(5120KiB/2947msec) clat (usec): min=825, max=293461, avg=128508.18, stdev=126771.06 lat (usec): min=825, max=293461, avg=128508.67, stdev=126771.13 clat percentiles (usec): | 1.00th=[ 824], 5.00th=[ 824], 10.00th=[ 824], 20.00th=[ 824], | 30.00th=[ 1020], 40.00th=[ 1020], 50.00th=[158335], 60.00th=[158335], | 70.00th=[187696], 80.00th=[187696], 90.00th=[291505], 95.00th=[291505], | 99.00th=[291505], 99.50th=[291505], 99.90th=[291505], 99.95th=[291505], | 99.99th=[291505] bw ( KiB/s): min= 2035, max= 5840, per=66.09%, avg=3937.50, stdev=2690.54, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=2, BW=2432KiB/s (2491kB/s)(7168KiB/2947msec); 0 zone resets clat (msec): min=109, max=1138, avg=317.48, stdev=364.53 lat (msec): min=109, max=1138, avg=317.53, stdev=364.54 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 110], 10.00th=[ 110], 20.00th=[ 140], | 30.00th=[ 197], 40.00th=[ 197], 50.00th=[ 203], 60.00th=[ 207], | 70.00th=[ 207], 80.00th=[ 232], 90.00th=[ 1133], 95.00th=[ 1133], | 99.00th=[ 1133], 99.50th=[ 1133], 99.90th=[ 1133], 99.95th=[ 1133], | 99.99th=[ 1133] bw ( KiB/s): min= 1744, max= 4071, per=31.42%, avg=2621.00, stdev=1264.90, samples=3 iops : min= 1, max= 3, avg= 2.00, stdev= 1.00, samples=3 lat (usec) : 1000=8.33% lat (msec) : 2=8.33%, 250=66.67%, 500=8.33%, 2000=8.33% cpu : usr=0.00%, sys=32.28%, ctx=469, 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=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=5959KiB/s (6102kB/s), 596KiB/s-2315KiB/s (610kB/s-2371kB/s), io=20.0MiB (20.0MB), run=2947-3437msec WRITE: bw=8342KiB/s (8542kB/s), 1654KiB/s-2979KiB/s (1693kB/s-3051kB/s), io=28.0MiB (29.4MB), run=2947-3437msec rand-rw: (groupid=0, jobs=1): err= 0: pid=159545: Fri Feb 6 23:09:04 2026 read: IOPS=1, BW=1980KiB/s (2028kB/s)(7168KiB/3620msec) clat (msec): min=32, max=747, avg=297.79, stdev=296.17 lat (msec): min=32, max=747, avg=297.79, stdev=296.17 clat percentiles (msec): | 1.00th=[ 33], 5.00th=[ 33], 10.00th=[ 33], 20.00th=[ 61], | 30.00th=[ 144], 40.00th=[ 144], 50.00th=[ 194], 60.00th=[ 213], | 70.00th=[ 213], 80.00th=[ 693], 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= 1946, max= 4096, per=45.91%, avg=2534.50, stdev=1042.11, samples=4 iops : min= 1, max= 4, avg= 2.25, stdev= 1.26, samples=4 write: IOPS=1, BW=1414KiB/s (1448kB/s)(5120KiB/3620msec); 0 zone resets clat (msec): min=61, max=550, avg=222.16, stdev=217.09 lat (msec): min=61, max=550, avg=222.22, stdev=217.09 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 62], 10.00th=[ 62], 20.00th=[ 62], | 30.00th=[ 77], 40.00th=[ 77], 50.00th=[ 84], 60.00th=[ 84], | 70.00th=[ 342], 80.00th=[ 342], 90.00th=[ 550], 95.00th=[ 550], | 99.00th=[ 550], 99.50th=[ 550], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 1946, max= 1946, per=25.17%, avg=1946.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 50=8.33%, 100=33.33%, 250=25.00%, 500=8.33%, 750=25.00% cpu : usr=0.00%, sys=14.76%, ctx=208, 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=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=159546: Fri Feb 6 23:09:04 2026 read: IOPS=0, BW=564KiB/s (578kB/s)(2048KiB/3628msec) clat (msec): min=303, max=1128, avg=716.19, stdev=583.17 lat (msec): min=303, max=1128, avg=716.20, stdev=583.17 clat percentiles (msec): | 1.00th=[ 305], 5.00th=[ 305], 10.00th=[ 305], 20.00th=[ 305], | 30.00th=[ 305], 40.00th=[ 305], 50.00th=[ 305], 60.00th=[ 1133], | 70.00th=[ 1133], 80.00th=[ 1133], 90.00th=[ 1133], 95.00th=[ 1133], | 99.00th=[ 1133], 99.50th=[ 1133], 99.90th=[ 1133], 99.95th=[ 1133], | 99.99th=[ 1133] bw ( KiB/s): min= 2015, max= 2048, per=36.80%, avg=2031.50, stdev=23.33, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2822KiB/s (2890kB/s)(10.0MiB/3628msec); 0 zone resets clat (msec): min=55, max=531, avg=211.72, stdev=190.31 lat (msec): min=55, max=531, avg=211.78, stdev=190.32 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 56], 10.00th=[ 56], 20.00th=[ 56], | 30.00th=[ 69], 40.00th=[ 88], 50.00th=[ 93], 60.00th=[ 133], | 70.00th=[ 188], 80.00th=[ 426], 90.00th=[ 481], 95.00th=[ 531], | 99.00th=[ 531], 99.50th=[ 531], 99.90th=[ 531], 99.95th=[ 531], | 99.99th=[ 531] bw ( KiB/s): min= 1946, max= 8062, per=58.86%, avg=4550.00, stdev=3050.45, samples=4 iops : min= 1, max= 7, avg= 4.00, stdev= 2.94, samples=4 lat (msec) : 100=41.67%, 250=16.67%, 500=25.00%, 750=8.33%, 2000=8.33% cpu : usr=0.00%, sys=11.25%, ctx=99, 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=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=159547: Fri Feb 6 23:09:04 2026 read: IOPS=1, BW=1719KiB/s (1760kB/s)(6144KiB/3574msec) clat (msec): min=31, max=389, avg=132.82, stdev=134.16 lat (msec): min=31, max=389, avg=132.82, stdev=134.16 clat percentiles (msec): | 1.00th=[ 32], 5.00th=[ 32], 10.00th=[ 32], 20.00th=[ 41], | 30.00th=[ 41], 40.00th=[ 82], 50.00th=[ 82], 60.00th=[ 92], | 70.00th=[ 163], 80.00th=[ 163], 90.00th=[ 388], 95.00th=[ 388], | 99.00th=[ 388], 99.50th=[ 388], 99.90th=[ 388], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 3893, max= 3893, per=70.51%, avg=3893.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 write: IOPS=1, BW=1719KiB/s (1760kB/s)(6144KiB/3574msec); 0 zone resets clat (msec): min=52, max=1215, avg=458.97, stdev=466.51 lat (msec): min=52, max=1215, avg=459.04, stdev=466.51 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 53], 10.00th=[ 53], 20.00th=[ 65], | 30.00th=[ 65], 40.00th=[ 140], 50.00th=[ 140], 60.00th=[ 527], | 70.00th=[ 760], 80.00th=[ 760], 90.00th=[ 1217], 95.00th=[ 1217], | 99.00th=[ 1217], 99.50th=[ 1217], 99.90th=[ 1217], 99.95th=[ 1217], | 99.99th=[ 1217] bw ( KiB/s): min= 2048, max= 4096, per=35.33%, avg=2730.67, stdev=1182.41, samples=3 iops : min= 2, max= 4, avg= 2.67, stdev= 1.15, samples=3 lat (msec) : 50=16.67%, 100=33.33%, 250=16.67%, 500=8.33%, 750=8.33% lat (msec) : 1000=8.33%, 2000=8.33% cpu : usr=0.00%, sys=9.18%, ctx=116, 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=159548: Fri Feb 6 23:09:04 2026 read: IOPS=1, BW=1380KiB/s (1414kB/s)(5120KiB/3709msec) clat (msec): min=17, max=434, avg=214.97, stdev=157.00 lat (msec): min=17, max=434, avg=214.98, stdev=157.00 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 18], 10.00th=[ 18], 20.00th=[ 18], | 30.00th=[ 155], 40.00th=[ 155], 50.00th=[ 174], 60.00th=[ 174], | 70.00th=[ 296], 80.00th=[ 296], 90.00th=[ 435], 95.00th=[ 435], | 99.00th=[ 435], 99.50th=[ 435], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 2048, max= 6047, per=73.31%, avg=4047.50, stdev=2827.72, samples=2 iops : min= 2, max= 5, avg= 3.50, stdev= 2.12, samples=2 write: IOPS=1, BW=1933KiB/s (1979kB/s)(7168KiB/3709msec); 0 zone resets clat (msec): min=31, max=1153, avg=363.02, stdev=421.71 lat (msec): min=31, max=1153, avg=363.09, stdev=421.72 clat percentiles (msec): | 1.00th=[ 32], 5.00th=[ 32], 10.00th=[ 32], 20.00th=[ 39], | 30.00th=[ 73], 40.00th=[ 73], 50.00th=[ 262], 60.00th=[ 271], | 70.00th=[ 271], 80.00th=[ 718], 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= 2015, max= 3893, per=32.35%, avg=2501.00, stdev=928.13, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 0.82, samples=4 lat (msec) : 20=8.33%, 50=16.67%, 100=8.33%, 250=16.67%, 500=33.33% lat (msec) : 750=8.33%, 2000=8.33% cpu : usr=0.00%, sys=10.22%, ctx=112, 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=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=5522KiB/s (5654kB/s), 564KiB/s-1980KiB/s (578kB/s-2028kB/s), io=20.0MiB (20.0MB), run=3574-3709msec WRITE: bw=7730KiB/s (7916kB/s), 1414KiB/s-2822KiB/s (1448kB/s-2890kB/s), io=28.0MiB (29.4MB), run=3574-3709msec 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=159554: Fri Feb 6 23:09:12 2026 read: IOPS=1, BW=6107KiB/s (6254kB/s)(12.0MiB/2012msec) clat (msec): min=412, max=1017, avg=667.36, stdev=313.91 lat (msec): min=412, max=1017, avg=667.37, stdev=313.91 clat percentiles (msec): | 1.00th=[ 414], 5.00th=[ 414], 10.00th=[ 414], 20.00th=[ 414], | 30.00th=[ 414], 40.00th=[ 575], 50.00th=[ 575], 60.00th=[ 575], | 70.00th=[ 1020], 80.00th=[ 1020], 90.00th=[ 1020], 95.00th=[ 1020], | 99.00th=[ 1020], 99.50th=[ 1020], 99.90th=[ 1020], 99.95th=[ 1020], | 99.99th=[ 1020] bw ( KiB/s): min= 8175, max= 8175, per=100.00%, avg=8175.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=41.02%, ctx=1805, 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=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=159556: Fri Feb 6 23:09:12 2026 read: IOPS=0, BW=1673KiB/s (1713kB/s)(4096KiB/2448msec) clat (nsec): min=1003.5M, max=1003.5M, avg=1003502025.00, stdev= 0.00 lat (nsec): min=1003.5M, max=1003.5M, avg=1003504341.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1003], 5.00th=[ 1003], 10.00th=[ 1003], 20.00th=[ 1003], | 30.00th=[ 1003], 40.00th=[ 1003], 50.00th=[ 1003], 60.00th=[ 1003], | 70.00th=[ 1003], 80.00th=[ 1003], 90.00th=[ 1003], 95.00th=[ 1003], | 99.00th=[ 1003], 99.50th=[ 1003], 99.90th=[ 1003], 99.95th=[ 1003], | 99.99th=[ 1003] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3346KiB/s (3427kB/s)(8192KiB/2448msec); 0 zone resets clat (msec): min=476, max=928, avg=702.56, stdev=320.02 lat (msec): min=476, max=929, avg=702.81, stdev=320.03 clat percentiles (msec): | 1.00th=[ 477], 5.00th=[ 477], 10.00th=[ 477], 20.00th=[ 477], | 30.00th=[ 477], 40.00th=[ 477], 50.00th=[ 477], 60.00th=[ 927], | 70.00th=[ 927], 80.00th=[ 927], 90.00th=[ 927], 95.00th=[ 927], | 99.00th=[ 927], 99.50th=[ 927], 99.90th=[ 927], 99.95th=[ 927], | 99.99th=[ 927] bw ( KiB/s): min= 8175, max= 8175, per=61.37%, avg=8175.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=20.68%, ctx=1097, 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=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=159557: Fri Feb 6 23:09:12 2026 write: IOPS=1, BW=4995KiB/s (5115kB/s)(12.0MiB/2460msec); 0 zone resets clat (msec): min=158, max=1399, avg=813.30, stdev=623.44 lat (msec): min=158, max=1399, avg=813.75, stdev=623.48 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 159], 10.00th=[ 159], 20.00th=[ 159], | 30.00th=[ 159], 40.00th=[ 885], 50.00th=[ 885], 60.00th=[ 885], | 70.00th=[ 1401], 80.00th=[ 1401], 90.00th=[ 1401], 95.00th=[ 1401], | 99.00th=[ 1401], 99.50th=[ 1401], 99.90th=[ 1401], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 8192, max= 8192, per=61.50%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.08%, sys=10.78%, ctx=125, 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 rand-rw: (groupid=0, jobs=1): err= 0: pid=159558: Fri Feb 6 23:09:12 2026 write: IOPS=1, BW=6823KiB/s (6987kB/s)(12.0MiB/1801msec); 0 zone resets clat (msec): min=443, max=854, avg=593.76, stdev=226.57 lat (msec): min=443, max=854, avg=594.15, stdev=226.77 clat percentiles (msec): | 1.00th=[ 443], 5.00th=[ 443], 10.00th=[ 443], 20.00th=[ 443], | 30.00th=[ 443], 40.00th=[ 485], 50.00th=[ 485], 60.00th=[ 485], | 70.00th=[ 852], 80.00th=[ 852], 90.00th=[ 852], 95.00th=[ 852], | 99.00th=[ 852], 99.50th=[ 852], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 8175, max= 8192, per=61.44%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=66.67%, 1000=33.33% cpu : usr=0.06%, sys=15.11%, ctx=71, 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=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=6693KiB/s (6853kB/s), 1673KiB/s-6107KiB/s (1713kB/s-6254kB/s), io=16.0MiB (16.8MB), run=2012-2448msec WRITE: bw=13.0MiB/s (13.6MB/s), 3346KiB/s-6823KiB/s (3427kB/s-6987kB/s), io=32.0MiB (33.6MB), run=1801-2460msec rand-rw: (groupid=0, jobs=1): err= 0: pid=159559: Fri Feb 6 23:09:12 2026 read: IOPS=1, BW=5606KiB/s (5740kB/s)(12.0MiB/2192msec) clat (msec): min=160, max=1146, avg=725.18, stdev=508.22 lat (msec): min=160, max=1146, avg=725.18, stdev=508.22 clat percentiles (msec): | 1.00th=[ 161], 5.00th=[ 161], 10.00th=[ 161], 20.00th=[ 161], | 30.00th=[ 161], 40.00th=[ 869], 50.00th=[ 869], 60.00th=[ 869], | 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= 8175, max= 8192, per=100.00%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 250=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=11.96%, ctx=67, 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=159560: Fri Feb 6 23:09:12 2026 read: IOPS=0, BW=1666KiB/s (1706kB/s)(4096KiB/2458msec) clat (nsec): min=1475.2M, max=1475.2M, avg=1475209641.00, stdev= 0.00 lat (nsec): min=1475.2M, max=1475.2M, avg=1475212161.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1469], 5.00th=[ 1469], 10.00th=[ 1469], 20.00th=[ 1469], | 30.00th=[ 1469], 40.00th=[ 1469], 50.00th=[ 1469], 60.00th=[ 1469], | 70.00th=[ 1469], 80.00th=[ 1469], 90.00th=[ 1469], 95.00th=[ 1469], | 99.00th=[ 1469], 99.50th=[ 1469], 99.90th=[ 1469], 99.95th=[ 1469], | 99.99th=[ 1469] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3333KiB/s (3413kB/s)(8192KiB/2458msec); 0 zone resets clat (msec): min=358, max=567, avg=462.92, stdev=147.31 lat (msec): min=359, max=567, avg=463.21, stdev=147.33 clat percentiles (msec): | 1.00th=[ 359], 5.00th=[ 359], 10.00th=[ 359], 20.00th=[ 359], | 30.00th=[ 359], 40.00th=[ 359], 50.00th=[ 359], 60.00th=[ 567], | 70.00th=[ 567], 80.00th=[ 567], 90.00th=[ 567], 95.00th=[ 567], | 99.00th=[ 567], 99.50th=[ 567], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 8192, max= 8192, per=66.90%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.04%, sys=10.38%, ctx=65, 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=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=159561: Fri Feb 6 23:09:12 2026 write: IOPS=1, BW=4592KiB/s (4702kB/s)(12.0MiB/2676msec); 0 zone resets clat (msec): min=113, max=1996, avg=876.71, stdev=991.17 lat (msec): min=113, max=1997, avg=877.03, stdev=991.11 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 114], 10.00th=[ 114], 20.00th=[ 114], | 30.00th=[ 114], 40.00th=[ 518], 50.00th=[ 518], 60.00th=[ 518], | 70.00th=[ 2005], 80.00th=[ 2005], 90.00th=[ 2005], 95.00th=[ 2005], | 99.00th=[ 2005], 99.50th=[ 2005], 99.90th=[ 2005], 99.95th=[ 2005], | 99.99th=[ 2005] bw ( KiB/s): min= 8192, max= 8192, per=66.90%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=9.08%, ctx=51, 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 rand-rw: (groupid=0, jobs=1): err= 0: pid=159562: Fri Feb 6 23:09:12 2026 write: IOPS=1, BW=5580KiB/s (5714kB/s)(12.0MiB/2202msec); 0 zone resets clat (msec): min=517, max=1073, avg=722.92, stdev=305.05 lat (msec): min=517, max=1073, avg=723.19, stdev=305.06 clat percentiles (msec): | 1.00th=[ 518], 5.00th=[ 518], 10.00th=[ 518], 20.00th=[ 518], | 30.00th=[ 518], 40.00th=[ 575], 50.00th=[ 575], 60.00th=[ 575], | 70.00th=[ 1070], 80.00th=[ 1070], 90.00th=[ 1070], 95.00th=[ 1070], | 99.00th=[ 1070], 99.50th=[ 1070], 99.90th=[ 1070], 99.95th=[ 1070], | 99.99th=[ 1070] bw ( KiB/s): min= 8047, max= 8192, per=66.31%, avg=8119.50, stdev=102.53, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=66.67%, 2000=33.33% cpu : usr=0.05%, sys=17.40%, ctx=90, 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=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=6666KiB/s (6826kB/s), 1666KiB/s-5606KiB/s (1706kB/s-5740kB/s), io=16.0MiB (16.8MB), run=2192-2458msec WRITE: bw=11.0MiB/s (12.5MB/s), 3333KiB/s-5580KiB/s (3413kB/s-5714kB/s), io=32.0MiB (33.6MB), run=2202-2676msec