== sanity test 124b: lru resize (performance test) ================================================================================= 17:21:24 (1787865684)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 784 (time 1787865699.32 total 10.02 last 78.24)
 - open/close 1509 (time 1787865709.33 total 20.03 last 72.46)
 - open/close 2235 (time 1787865719.38 total 30.08 last 72.24)
 - open/close 3082 (time 1787865729.38 total 40.08 last 84.68)
 - open/close 3889 (time 1787865739.39 total 50.08 last 80.65)
 - open/close 4632 (time 1787865749.40 total 60.09 last 74.25)
 - open/close 5505 (time 1787865759.41 total 70.10 last 87.19)
 - open/close 6360 (time 1787865769.42 total 80.11 last 85.44)
 - open/close 7075 (time 1787865779.42 total 90.12 last 71.45)
 - open/close 7694 (time 1787865789.43 total 100.12 last 61.88)
total: 8000 open/close in 105.16 seconds: 76.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 161 seconds
lru_size = 400
 - unlinked 0 (time 1787865967 ; total 0 ; last 0)
total: 8000 unlinks in 118 seconds: 67.796608 unlinks/second
 - open/close 759 (time 1787866101.01 total 10.01 last 75.83)
 - open/close 1571 (time 1787866111.01 total 20.01 last 81.19)
 - open/close 2390 (time 1787866121.02 total 30.02 last 81.82)
 - open/close 3146 (time 1787866131.04 total 40.04 last 75.45)
 - open/close 3960 (time 1787866141.04 total 50.04 last 81.37)
 - open/close 4758 (time 1787866151.05 total 60.06 last 79.72)
 - open/close 5541 (time 1787866161.07 total 70.07 last 78.20)
 - open/close 6315 (time 1787866171.07 total 80.07 last 77.40)
 - open/close 7187 (time 1787866181.07 total 90.07 last 87.19)
 - open/close 7942 (time 1787866191.07 total 100.07 last 75.49)
total: 8000 open/close in 100.95 seconds: 79.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1787866303 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second