== sanity test 123ad: Verify batching statahead works correctly ========================================================== 05:24:35 (1752485075) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff946809cba000.batch_stats=0 llite.lustre-ffff946809cba000.statahead_max=32 llite.lustre-ffff946809cba000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff946809cba000.batch_stats=0 total: 100 open/close in 2.59 seconds: 38.68 ops/second llite.lustre-ffff946809cba000.statahead_max=0 101 real 0m2.360s user 0m0.007s sys 0m0.326s ls -l 100 files without statahead: 2 sec llite.lustre-ffff946809cba000.statahead_max=32 32 101 real 0m1.070s user 0m0.005s sys 0m0.155s ls -l 100 files with statahead: 1 sec statahead total: 126 statahead wrong: 2 agl total: 120 list_total: 32 fname_total: 82 hit_total: 22052 miss_total: 988 - open/close 732 (time 1752485101.56 total 10.01 last 73.09) total: 900 open/close in 12.64 seconds: 71.20 ops/second llite.lustre-ffff946809cba000.statahead_max=0 1001 real 0m20.678s user 0m0.033s sys 0m3.019s ls -l 1000 files without statahead: 21 sec llite.lustre-ffff946809cba000.statahead_max=32 32 1001 real 0m9.164s user 0m0.026s sys 0m1.294s ls -l 1000 files with statahead: 9 sec statahead total: 127 statahead wrong: 2 agl total: 121 list_total: 33 fname_total: 82 hit_total: 23045 miss_total: 995 ls -l done rm -r /mnt/lustre/d123ad.sanity: 18 seconds llite.lustre-ffff946809cba000.statahead_stats= statahead total: 127 statahead wrong: 2 agl total: 121 list_total: 33 fname_total: 82 hit_total: 23045 miss_total: 995 mdc.lustre-MDT0000-mdc-ffff946809cba000.batch_stats= snapshot_time: 1752485164.258625795 secs.nsecs start_time: 1752485079.723335809 secs.nsecs elapsed_time: 84.535289986 secs.nsecs subreqs per batch batches % cum % 1: 2 4 4 2: 0 0 4 4: 0 0 4 8: 2 4 9 16: 3 7 17 32: 34 82 100 - open/close 680 (time 1752485176.58 total 10.02 last 67.89) - open/close 1358 (time 1752485186.59 total 20.03 last 67.73) - open/close 2013 (time 1752485196.59 total 30.03 last 65.49) - open/close 2688 (time 1752485206.60 total 40.04 last 67.45) - open/close 3388 (time 1752485216.62 total 50.05 last 69.87) - open/close 4112 (time 1752485226.63 total 60.07 last 72.27) - open/close 4806 (time 1752485236.65 total 70.09 last 69.27) - open/close 5471 (time 1752485246.67 total 80.11 last 66.39) - open/close 6144 (time 1752485256.67 total 90.11 last 67.29) - open/close 6811 (time 1752485266.67 total 100.11 last 66.68) - open/close 7561 (time 1752485276.67 total 110.11 last 74.99) - open/close 8305 (time 1752485286.68 total 120.12 last 74.32) - open/close 8973 (time 1752485296.70 total 130.14 last 66.67) - open/close 9649 (time 1752485306.71 total 140.14 last 67.58) total: 10000 open/close in 144.89 seconds: 69.02 ops/second llite.lustre-ffff946809cba000.statahead_batch_max=0 llite.lustre-ffff946809cba000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff946809cba000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m52.363s user 0m0.292s sys 0m16.148s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff946809cba000.statahead_batch_max=32 llite.lustre-ffff946809cba000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff946809cba000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff946809cba000.stats=clear ls -l files in d123ad.sanity: 10001 real 1m16.717s user 0m0.288s sys 0m13.402s batched statahead RPC= hit count=9944 mdc.lustre-MDT0000-mdc-ffff946809cba000.batch_stats= snapshot_time: 1752485457.139234915 secs.nsecs start_time: 1752485370.825267989 secs.nsecs elapsed_time: 86.313966926 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 2: 0 0 0 4: 1 0 0 8: 1 0 0 16: 1 0 0 32: 314 99 100 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff946809cba000.batch_stats=0 llite.lustre-ffff946809cba000.statahead_max=2048 llite.lustre-ffff946809cba000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff946809cba000.batch_stats=0 total: 100 open/close in 2.92 seconds: 34.23 ops/second llite.lustre-ffff946809cba000.statahead_max=0 101 real 0m2.310s user 0m0.004s sys 0m0.320s ls -l 100 files without statahead: 3 sec llite.lustre-ffff946809cba000.statahead_max=2048 2048 101 real 0m0.918s user 0m0.005s sys 0m0.206s ls -l 100 files with statahead: 1 sec statahead total: 2 statahead wrong: 0 agl total: 2 list_total: 2 fname_total: 0 hit_total: 10043 miss_total: 57 - open/close 729 (time 1752485773.22 total 10.01 last 72.84) total: 900 open/close in 12.41 seconds: 72.53 ops/second llite.lustre-ffff946809cba000.statahead_max=0 1001 real 0m21.471s user 0m0.029s sys 0m3.049s ls -l 1000 files without statahead: 22 sec llite.lustre-ffff946809cba000.statahead_max=2048 2048 1001 real 0m6.717s user 0m0.037s sys 0m1.390s ls -l 1000 files with statahead: 7 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11042 miss_total: 58 ls -l done rm -r /mnt/lustre/d123ad.sanity: 19 seconds llite.lustre-ffff946809cba000.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11042 miss_total: 58 mdc.lustre-MDT0000-mdc-ffff946809cba000.batch_stats= snapshot_time: 1752485834.882664283 secs.nsecs start_time: 1752485460.174682814 secs.nsecs elapsed_time: 374.707981469 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 2 22 22 16: 2 22 44 32: 0 0 44 64: 0 0 44 128: 1 11 55 256: 4 44 100 - open/close 679 (time 1752485846.78 total 10.00 last 67.88) - open/close 1302 (time 1752485856.79 total 20.01 last 62.26) - open/close 1909 (time 1752485866.80 total 30.02 last 60.62) - open/close 2540 (time 1752485876.81 total 40.03 last 63.04) - open/close 3172 (time 1752485886.82 total 50.04 last 63.13) - open/close 3842 (time 1752485896.82 total 60.04 last 66.99) - open/close 4512 (time 1752485906.83 total 70.05 last 66.95) - open/close 5240 (time 1752485916.84 total 80.06 last 72.76) - open/close 5901 (time 1752485926.84 total 90.06 last 66.10) - open/close 6533 (time 1752485936.85 total 100.07 last 63.16) - open/close 7145 (time 1752485946.85 total 110.07 last 61.15) - open/close 7782 (time 1752485956.86 total 120.08 last 63.65) - open/close 8481 (time 1752485966.88 total 130.10 last 69.80) - open/close 9088 (time 1752485976.88 total 140.10 last 60.69) - open/close 9750 (time 1752485986.88 total 150.10 last 66.19) total: 10000 open/close in 153.55 seconds: 65.13 ops/second llite.lustre-ffff946809cba000.statahead_batch_max=0 llite.lustre-ffff946809cba000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff946809cba000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m51.757s user 0m0.314s sys 0m16.623s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff946809cba000.statahead_batch_max=256 llite.lustre-ffff946809cba000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff946809cba000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff946809cba000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m47.218s user 0m0.303s sys 0m14.432s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff946809cba000.batch_stats= snapshot_time: 1752486107.191625598 secs.nsecs start_time: 1752486049.854416266 secs.nsecs elapsed_time: 57.337209332 secs.nsecs subreqs per batch batches % cum % 1: 67 34 34 2: 28 14 48 4: 16 8 56 8: 17 8 65 16: 9 4 70 32: 16 8 78 64: 5 2 81 128: 2 1 82 256: 35 17 100 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536 llite.lustre-ffff946809cba000.statahead_batch_max=64 llite.lustre-ffff946809cba000.statahead_max=128