== sanity test 124b: lru resize (performance test) ================================================================================= 12:33:29 (1782491609)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 822 (time 1782491623.26 total 10.03 last 81.96)
 - open/close 1633 (time 1782491633.27 total 20.04 last 80.98)
 - open/close 2436 (time 1782491643.28 total 30.06 last 80.21)
 - open/close 3320 (time 1782491653.29 total 40.06 last 88.33)
 - open/close 4098 (time 1782491663.30 total 50.08 last 77.69)
 - open/close 4984 (time 1782491673.31 total 60.08 last 88.60)
 - open/close 5833 (time 1782491683.31 total 70.08 last 84.85)
 - open/close 6593 (time 1782491693.32 total 80.09 last 75.93)
 - open/close 7385 (time 1782491703.33 total 90.10 last 79.11)
total: 8000 open/close in 98.21 seconds: 81.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 143 seconds
lru_size = 400
 - unlinked 0 (time 1782491863 ; total 0 ; last 0)
total: 8000 unlinks in 85 seconds: 94.117645 unlinks/second
 - open/close 919 (time 1782491963.06 total 10.01 last 91.80)
 - open/close 1714 (time 1782491973.06 total 20.01 last 79.48)
 - open/close 2370 (time 1782491983.06 total 30.01 last 65.60)
 - open/close 3024 (time 1782491993.06 total 40.02 last 65.38)
 - open/close 3743 (time 1782492003.09 total 50.04 last 71.74)
 - open/close 4087 (time 1782492013.09 total 60.04 last 34.40)
 - open/close 5092 (time 1782492023.09 total 70.05 last 100.41)
 - open/close 5906 (time 1782492033.10 total 80.05 last 81.37)
 - open/close 6824 (time 1782492043.12 total 90.07 last 91.63)
 - open/close 7782 (time 1782492053.12 total 100.08 last 95.74)
total: 8000 open/close in 102.39 seconds: 78.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 8005
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1782492135 ; total 0 ; last 0)
total: 8000 unlinks in 46 seconds: 173.913040 unlinks/second