== sanity test 124b: lru resize (performance test) ================================================================================= 20:48:17 (1773622097)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4043 (time 1773622110.01 total 10.00 last 404.23)
 - open/close 7863 (time 1773622120.01 total 20.00 last 381.98)
total: 8000 open/close in 20.26 seconds: 394.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 400
 - unlinked 0 (time 1773622191 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 3249 (time 1773622215.79 total 10.00 last 324.84)
 - open/close 7610 (time 1773622225.79 total 20.00 last 436.07)
total: 8000 open/close in 21.16 seconds: 378.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 8005
ls -la is 22% faster with lru resize enabled
 - unlinked 0 (time 1773622288 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second