== sanity test 124b: lru resize (performance test) ================================================================================= 14:21:19 (1772479279)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2111 (time 1772479292.53 total 10.00 last 211.07)
 - open/close 4280 (time 1772479302.54 total 20.00 last 216.84)
 - open/close 6385 (time 1772479312.54 total 30.01 last 210.43)
total: 8000 open/close in 36.81 seconds: 217.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 112 seconds
lru_size = 400
400
 - unlinked 0 (time 1772479436 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2083 (time 1772479471.91 total 10.00 last 208.28)
 - open/close 4132 (time 1772479481.91 total 20.00 last 204.90)
 - open/close 6446 (time 1772479491.91 total 30.00 last 231.37)
total: 8000 open/close in 35.29 seconds: 226.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 4052
3955
ls -la is 22% faster with lru resize enabled
 - unlinked 0 (time 1772479594 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second