== sanity test 124b: lru resize (performance test) ================================================================================= 23:26:53 (1775878013)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1074 (time 1775878026.60 total 10.01 last 107.30)
 - open/close 2434 (time 1775878036.60 total 20.01 last 135.94)
 - open/close 2677 (time 1775878046.64 total 30.05 last 24.22)
 - open/close 2902 (time 1775878056.64 total 40.05 last 22.49)
 - open/close 3879 (time 1775878066.64 total 50.05 last 97.69)
 - open/close 5075 (time 1775878076.64 total 60.05 last 119.57)
 - open/close 6738 (time 1775878086.65 total 70.06 last 166.25)
 - open/close 7641 (time 1775878096.65 total 80.06 last 90.27)
total: 8000 open/close in 82.59 seconds: 96.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 400
 - unlinked 0 (time 1775878189 ; total 0 ; last 0)
total: 8000 unlinks in 50 seconds: 160.000000 unlinks/second
 - open/close 1554 (time 1775878251.22 total 10.00 last 155.40)
 - open/close 2985 (time 1775878261.23 total 20.01 last 143.01)
 - open/close 4460 (time 1775878271.23 total 30.01 last 147.40)
 - open/close 5968 (time 1775878281.23 total 40.01 last 150.78)
 - open/close 7494 (time 1775878291.23 total 50.02 last 152.58)
total: 8000 open/close in 53.74 seconds: 148.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 46 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1775878350 ; total 0 ; last 0)
total: 8000 unlinks in 34 seconds: 235.294113 unlinks/second