== sanity test 124b: lru resize (performance test) ================================================================================= 02:02:42 (1783144962)
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 2227 (time 1783144974.64 total 10.01 last 222.57)
 - open/close 4526 (time 1783144984.65 total 20.01 last 229.82)
 - open/close 6454 (time 1783144994.65 total 30.01 last 192.71)
total: 8000 open/close in 38.81 seconds: 206.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
400
 - unlinked 0 (time 1783145089 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2352 (time 1783145117.93 total 10.00 last 235.14)
 - open/close 4695 (time 1783145127.93 total 20.01 last 234.24)
 - open/close 6664 (time 1783145137.94 total 30.01 last 196.79)
total: 8000 open/close in 36.04 seconds: 221.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 4006
4001
ls -la is 39% faster with lru resize enabled
 - unlinked 0 (time 1783145202 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second