== sanity test 124b: lru resize (performance test) ================================================================================= 17:26:05 (1783977965)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 689 (time 1783977979.73 total 10.00 last 68.87)
 - open/close 1360 (time 1783977989.73 total 20.01 last 67.05)
 - open/close 2086 (time 1783977999.74 total 30.02 last 72.57)
 - open/close 2706 (time 1783978009.74 total 40.02 last 61.96)
 - open/close 3335 (time 1783978019.77 total 50.05 last 62.75)
 - open/close 4097 (time 1783978029.77 total 60.05 last 76.16)
 - open/close 4917 (time 1783978039.78 total 70.06 last 81.92)
 - open/close 5643 (time 1783978049.78 total 80.06 last 72.59)
 - open/close 6369 (time 1783978059.79 total 90.07 last 72.54)
 - open/close 7132 (time 1783978069.81 total 100.08 last 76.19)
 - open/close 7908 (time 1783978079.82 total 110.10 last 77.50)
total: 8000 open/close in 111.02 seconds: 72.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 167 seconds
lru_size = 400
 - unlinked 0 (time 1783978256 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 706 (time 1783978374.49 total 10.00 last 70.58)
 - open/close 1468 (time 1783978384.50 total 20.01 last 76.17)
 - open/close 2249 (time 1783978394.50 total 30.01 last 78.05)
 - open/close 2978 (time 1783978404.53 total 40.04 last 72.74)
 - open/close 3756 (time 1783978414.54 total 50.05 last 77.71)
 - open/close 4510 (time 1783978424.54 total 60.05 last 75.36)
 - open/close 5312 (time 1783978434.55 total 70.06 last 80.13)
 - open/close 6108 (time 1783978444.57 total 80.08 last 79.49)
 - open/close 6891 (time 1783978454.59 total 90.09 last 78.16)
 - open/close 7648 (time 1783978464.60 total 100.11 last 75.58)
total: 8000 open/close in 104.21 seconds: 76.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1783978574 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second