== sanity test 124b: lru resize (performance test) ================================================================================= 04:55:30 (1772186130)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1198 (time 1772186142.38 total 10.00 last 119.80)
 - open/close 2614 (time 1772186152.38 total 20.00 last 141.55)
 - open/close 3932 (time 1772186162.38 total 30.01 last 131.78)
 - open/close 4758 (time 1772186172.40 total 40.02 last 82.46)
 - open/close 5820 (time 1772186182.41 total 50.03 last 106.11)
 - open/close 7107 (time 1772186192.41 total 60.03 last 128.70)
total: 8000 open/close in 64.68 seconds: 123.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 400
 - unlinked 0 (time 1772186292 ; total 0 ; last 0)
total: 8000 unlinks in 43 seconds: 186.046509 unlinks/second
 - open/close 1399 (time 1772186348.09 total 10.00 last 139.84)
 - open/close 2816 (time 1772186358.10 total 20.01 last 141.63)
 - open/close 4310 (time 1772186368.10 total 30.01 last 149.31)
 - open/close 5829 (time 1772186378.11 total 40.02 last 151.78)
 - open/close 7593 (time 1772186388.11 total 50.02 last 176.37)
total: 8000 open/close in 52.02 seconds: 153.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1772186444 ; total 0 ; last 0)
total: 8000 unlinks in 34 seconds: 235.294113 unlinks/second