== sanity test 124b: lru resize (performance test) ================================================================================= 23:24:07 (1786073047)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 617 (time 1786073062.02 total 10.01 last 61.62)
 - open/close 1104 (time 1786073072.05 total 20.04 last 48.57)
 - open/close 1655 (time 1786073082.05 total 30.04 last 55.08)
 - open/close 2447 (time 1786073092.07 total 40.06 last 79.09)
 - open/close 3178 (time 1786073102.07 total 50.06 last 73.05)
 - open/close 3896 (time 1786073112.08 total 60.07 last 71.76)
 - open/close 4552 (time 1786073122.08 total 70.07 last 65.60)
 - open/close 5174 (time 1786073132.09 total 80.08 last 62.11)
 - open/close 5917 (time 1786073142.09 total 90.09 last 74.29)
 - open/close 6677 (time 1786073152.10 total 100.09 last 75.94)
 - open/close 7453 (time 1786073162.11 total 110.10 last 77.58)
total: 8000 open/close in 117.39 seconds: 68.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 180 seconds
lru_size = 400
 - unlinked 0 (time 1786073360 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 626 (time 1786073488.32 total 10.03 last 62.43)
 - open/close 1294 (time 1786073498.33 total 20.04 last 66.72)
 - open/close 2047 (time 1786073508.35 total 30.05 last 75.21)
 - open/close 2757 (time 1786073518.35 total 40.05 last 70.97)
 - open/close 3468 (time 1786073528.35 total 50.06 last 71.08)
 - open/close 4159 (time 1786073538.36 total 60.07 last 69.05)
 - open/close 4929 (time 1786073548.36 total 70.07 last 76.97)
 - open/close 5741 (time 1786073558.37 total 80.07 last 81.18)
 - open/close 6487 (time 1786073568.37 total 90.08 last 74.57)
 - open/close 7259 (time 1786073578.37 total 100.08 last 77.18)
total: 8000 open/close in 109.57 seconds: 73.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1786073703 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second