== sanity test 124b: lru resize (performance test) ================================================================================= 12:21:58 (1786119718)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1431 (time 1786119730.72 total 10.01 last 143.02)
 - open/close 2680 (time 1786119740.72 total 20.01 last 124.86)
 - open/close 4212 (time 1786119750.73 total 30.01 last 153.13)
 - open/close 5159 (time 1786119760.74 total 40.02 last 94.64)
 - open/close 6011 (time 1786119770.74 total 50.02 last 85.19)
 - open/close 7370 (time 1786119780.74 total 60.02 last 135.88)
total: 8000 open/close in 64.58 seconds: 123.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 400
 - unlinked 0 (time 1786119879 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second
 - open/close 2121 (time 1786119921.37 total 10.00 last 212.09)
 - open/close 4559 (time 1786119931.37 total 20.00 last 243.80)
 - open/close 7278 (time 1786119941.38 total 30.00 last 271.89)
total: 8000 open/close in 32.13 seconds: 249.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1786119995 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second