== sanity test 123ad: Verify batching statahead works correctly ========================================================== 21:59:48 (1770692388) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.batch_stats=0 llite.lustre-ffff9a0007e6d800.statahead_max=32 llite.lustre-ffff9a0007e6d800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.batch_stats=0 total: 100 open/close in 0.92 seconds: 108.96 ops/second llite.lustre-ffff9a0007e6d800.statahead_max=0 101 real 0m0.847s user 0m0.005s sys 0m0.300s ls -l 100 files without statahead: 0 sec llite.lustre-ffff9a0007e6d800.statahead_max=32 32 101 real 0m0.609s user 0m0.004s sys 0m0.357s ls -l 100 files with statahead: 1 sec statahead total: 97 statahead wrong: 2 agl total: 91 list_total: 32 fname_total: 64 hit_total: 33938 miss_total: 1486 total: 900 open/close in 3.26 seconds: 275.84 ops/second llite.lustre-ffff9a0007e6d800.statahead_max=0 1001 real 0m8.582s user 0m0.034s sys 0m2.845s ls -l 1000 files without statahead: 8 sec llite.lustre-ffff9a0007e6d800.statahead_max=32 32 1001 real 0m4.421s user 0m0.024s sys 0m2.308s ls -l 1000 files with statahead: 4 sec statahead total: 98 statahead wrong: 2 agl total: 92 list_total: 33 fname_total: 64 hit_total: 34937 miss_total: 1487 - open/close 2853 (time 1770692425.26 total 10.00 last 285.27) - open/close 5996 (time 1770692435.26 total 20.00 last 314.29) total: 9000 open/close in 27.79 seconds: 323.90 ops/second llite.lustre-ffff9a0007e6d800.statahead_max=0 10001 real 1m0.681s user 0m0.256s sys 0m21.394s ls -l 10000 files without statahead: 61 sec llite.lustre-ffff9a0007e6d800.statahead_max=32 32 10001 real 0m34.692s user 0m0.169s sys 0m19.195s ls -l 10000 files with statahead: 35 sec statahead total: 99 statahead wrong: 2 agl total: 93 list_total: 34 fname_total: 64 hit_total: 44936 miss_total: 1488 ls -l done rm -r /mnt/lustre/d123ad.sanity: 55 seconds llite.lustre-ffff9a0007e6d800.statahead_stats= statahead total: 99 statahead wrong: 2 agl total: 93 list_total: 34 fname_total: 64 hit_total: 44936 miss_total: 1488 mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.batch_stats= snapshot_time: 1770692603.867296664 secs.nsecs start_time: 1770692389.935725455 secs.nsecs elapsed_time: 213.931571209 secs.nsecs subreqs per batch batches % cum % 1: 1 0 0 2: 0 0 0 4: 1 0 0 8: 3 0 1 16: 4 1 2 32: 346 97 100 - open/close 5339 (time 1770692615.57 total 10.00 last 533.84) - open/close 9687 (time 1770692625.57 total 20.00 last 434.75) total: 10000 open/close in 20.72 seconds: 482.52 ops/second llite.lustre-ffff9a0007e6d800.statahead_batch_max=0 llite.lustre-ffff9a0007e6d800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m37.295s user 0m0.165s sys 0m33.719s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff9a0007e6d800.statahead_batch_max=32 llite.lustre-ffff9a0007e6d800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m36.022s user 0m0.152s sys 0m19.359s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.batch_stats= snapshot_time: 1770692706.964842484 secs.nsecs start_time: 1770692666.223647713 secs.nsecs elapsed_time: 40.741194771 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 1 0 0 16: 2 0 0 32: 312 99 100 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.batch_stats=0 llite.lustre-ffff9a0007e6d800.statahead_max=2048 llite.lustre-ffff9a0007e6d800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.batch_stats=0 total: 100 open/close in 0.59 seconds: 170.01 ops/second llite.lustre-ffff9a0007e6d800.statahead_max=0 101 real 0m0.889s user 0m0.005s sys 0m0.238s ls -l 100 files without statahead: 1 sec llite.lustre-ffff9a0007e6d800.statahead_max=2048 2048 101 real 0m0.291s user 0m0.001s sys 0m0.147s 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: 10098 miss_total: 2 total: 900 open/close in 1.84 seconds: 490.44 ops/second llite.lustre-ffff9a0007e6d800.statahead_max=0 1001 real 0m4.966s user 0m0.020s sys 0m1.808s ls -l 1000 files without statahead: 5 sec llite.lustre-ffff9a0007e6d800.statahead_max=2048 2048 1001 real 0m2.787s user 0m0.013s sys 0m0.994s ls -l 1000 files with statahead: 3 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11097 miss_total: 3 - open/close 5330 (time 1770692808.89 total 10.00 last 532.93) total: 9000 open/close in 17.17 seconds: 524.08 ops/second llite.lustre-ffff9a0007e6d800.statahead_max=0 10001 real 0m56.647s user 0m0.201s sys 0m20.208s ls -l 10000 files without statahead: 57 sec llite.lustre-ffff9a0007e6d800.statahead_max=2048 2048 10001 real 0m26.158s user 0m0.158s sys 0m19.111s ls -l 10000 files with statahead: 26 sec statahead total: 4 statahead wrong: 0 agl total: 4 list_total: 4 fname_total: 0 hit_total: 21096 miss_total: 4 ls -l done rm -r /mnt/lustre/d123ad.sanity: 63 seconds llite.lustre-ffff9a0007e6d800.statahead_stats= statahead total: 4 statahead wrong: 0 agl total: 4 list_total: 4 fname_total: 0 hit_total: 21096 miss_total: 4 mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.batch_stats= snapshot_time: 1770692970.698591338 secs.nsecs start_time: 1770692707.844517092 secs.nsecs elapsed_time: 262.854074246 secs.nsecs subreqs per batch batches % cum % 1: 243 59 59 2: 60 14 74 4: 28 6 81 8: 8 1 83 16: 3 0 83 32: 26 6 90 64: 0 0 90 128: 1 0 90 256: 39 9 100 - open/close 4787 (time 1770692981.56 total 10.00 last 478.61) - open/close 9262 (time 1770692991.57 total 20.00 last 447.43) total: 10000 open/close in 21.57 seconds: 463.68 ops/second llite.lustre-ffff9a0007e6d800.statahead_batch_max=0 llite.lustre-ffff9a0007e6d800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m34.685s user 0m0.149s sys 0m28.400s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff9a0007e6d800.statahead_batch_max=256 llite.lustre-ffff9a0007e6d800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m24.546s user 0m0.131s sys 0m18.540s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff9a0007e6d800.batch_stats= snapshot_time: 1770693059.522458410 secs.nsecs start_time: 1770693030.305591100 secs.nsecs elapsed_time: 29.216867310 secs.nsecs subreqs per batch batches % cum % 1: 194 56 56 2: 44 12 69 4: 37 10 80 8: 4 1 81 16: 2 0 81 32: 26 7 89 64: 1 0 89 128: 0 0 89 256: 35 10 100 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536 llite.lustre-ffff9a0007e6d800.statahead_batch_max=64 llite.lustre-ffff9a0007e6d800.statahead_max=128