== sanity test 124b: lru resize (performance test) ================================================================================= 19:29:31 (1786836571)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1256 (time 1786836584.74 total 10.00 last 125.57)
 - open/close 2357 (time 1786836594.75 total 20.01 last 110.06)
 - open/close 3593 (time 1786836604.75 total 30.01 last 123.53)
 - open/close 5002 (time 1786836614.76 total 40.02 last 140.81)
 - open/close 6457 (time 1786836624.76 total 50.02 last 145.49)
 - open/close 7905 (time 1786836634.76 total 60.02 last 144.76)
total: 8000 open/close in 60.79 seconds: 131.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 400
 - unlinked 0 (time 1786836738 ; total 0 ; last 0)
total: 8000 unlinks in 27 seconds: 296.296295 unlinks/second
 - open/close 1708 (time 1786836777.95 total 10.01 last 170.71)
 - open/close 3150 (time 1786836787.95 total 20.01 last 144.07)
 - open/close 4646 (time 1786836797.96 total 30.02 last 149.46)
 - open/close 6140 (time 1786836807.97 total 40.03 last 149.34)
 - open/close 7779 (time 1786836817.97 total 50.03 last 163.86)
total: 8000 open/close in 51.30 seconds: 155.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1786836880 ; total 0 ; last 0)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second