== sanity test 124b: lru resize (performance test) ================================================================================= 21:06:13 (1746147973)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 985 (time 1746147986.27 total 10.01 last 98.44)
 - open/close 1920 (time 1746147996.27 total 20.01 last 93.45)
 - open/close 2693 (time 1746148006.29 total 30.03 last 77.15)
 - open/close 3506 (time 1746148016.30 total 40.03 last 81.29)
 - open/close 4347 (time 1746148026.30 total 50.04 last 84.05)
 - open/close 5359 (time 1746148036.31 total 60.04 last 101.17)
 - open/close 6338 (time 1746148046.31 total 70.05 last 97.81)
 - open/close 7166 (time 1746148056.33 total 80.06 last 82.70)
total: 8000 open/close in 89.80 seconds: 89.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 124 seconds
lru_size = 400
400
 - unlinked 0 (time 1746148196 ; total 0 ; last 0)
total: 8000 unlinks in 82 seconds: 97.560974 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1022 (time 1746148291.82 total 10.01 last 102.13)
 - open/close 1934 (time 1746148301.83 total 20.01 last 91.13)
 - open/close 2683 (time 1746148311.83 total 30.02 last 74.83)
 - open/close 3526 (time 1746148321.84 total 40.03 last 84.23)
 - open/close 4434 (time 1746148331.85 total 50.04 last 90.76)
 - open/close 5487 (time 1746148341.86 total 60.05 last 105.21)
 - open/close 6306 (time 1746148351.87 total 70.06 last 81.77)
 - open/close 7188 (time 1746148361.88 total 80.07 last 88.10)
total: 8000 open/close in 89.18 seconds: 89.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 4052
3955
ls -la is 64% faster with lru resize enabled
 - unlinked 0 (time 1746148427 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second