== sanity test 124b: lru resize (performance test) ================================================================================= 12:02:23 (1790956943)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1111 (time 1790956956.22 total 10.00 last 111.06)
 - open/close 2175 (time 1790956966.22 total 20.01 last 106.34)
 - open/close 3122 (time 1790956976.23 total 30.02 last 94.59)
 - open/close 4192 (time 1790956986.24 total 40.03 last 106.90)
 - open/close 5208 (time 1790956996.24 total 50.03 last 101.60)
 - open/close 6230 (time 1790957006.25 total 60.03 last 102.16)
 - open/close 7254 (time 1790957016.26 total 70.04 last 102.30)
total: 8000 open/close in 77.05 seconds: 103.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 109 seconds
lru_size = 400
 - unlinked 0 (time 1790957138 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second
 - open/close 1121 (time 1790957222.48 total 10.01 last 112.01)
 - open/close 2229 (time 1790957232.48 total 20.01 last 110.77)
 - open/close 3582 (time 1790957242.48 total 30.01 last 135.29)
 - open/close 4879 (time 1790957252.48 total 40.01 last 129.68)
 - open/close 6157 (time 1790957262.49 total 50.02 last 127.73)
 - open/close 7416 (time 1790957272.49 total 60.02 last 125.83)
total: 8000 open/close in 64.60 seconds: 123.84 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 8005
ls -la is 59% faster with lru resize enabled
 - unlinked 0 (time 1790957332 ; total 0 ; last 0)
total: 8000 unlinks in 41 seconds: 195.121948 unlinks/second