== sanity test 124b: lru resize (performance test) ================================================================================= 14:06:35 (1786471595)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1225 (time 1786471608.36 total 10.00 last 122.49)
 - open/close 2353 (time 1786471618.37 total 20.01 last 112.73)
 - open/close 3562 (time 1786471628.38 total 30.01 last 120.81)
 - open/close 4778 (time 1786471638.38 total 40.02 last 121.53)
 - open/close 5930 (time 1786471648.38 total 50.02 last 115.17)
 - open/close 7062 (time 1786471658.38 total 60.02 last 113.20)
total: 8000 open/close in 67.42 seconds: 118.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 400
 - unlinked 0 (time 1786471770 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second
 - open/close 1489 (time 1786471834.72 total 10.00 last 148.88)
 - open/close 2875 (time 1786471844.73 total 20.01 last 138.54)
 - open/close 4141 (time 1786471854.73 total 30.01 last 126.49)
 - open/close 5444 (time 1786471864.74 total 40.02 last 130.25)
 - open/close 6955 (time 1786471874.74 total 50.02 last 151.06)
total: 8000 open/close in 56.28 seconds: 142.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1786471941 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second