== sanity test 124b: lru resize (performance test) ================================================================================= 07:40:17 (1768135217)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2037 (time 1768135230.79 total 10.00 last 203.61)
 - open/close 4034 (time 1768135240.80 total 20.01 last 199.63)
 - open/close 6072 (time 1768135250.80 total 30.01 last 203.72)
total: 8000 open/close in 39.60 seconds: 202.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 113 seconds
lru_size = 400
400
 - unlinked 0 (time 1768135378 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2099 (time 1768135414.07 total 10.00 last 209.87)
 - open/close 4140 (time 1768135424.08 total 20.01 last 204.00)
 - open/close 6235 (time 1768135434.08 total 30.01 last 209.46)
total: 8000 open/close in 38.42 seconds: 208.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 4052
3955
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1768135534 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second