== sanity test 124b: lru resize (performance test) ================================================================================= 19:25:53 (1781220353)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 621 (time 1781220367.77 total 10.01 last 62.04)
 - open/close 1232 (time 1781220377.78 total 20.02 last 61.05)
 - open/close 1798 (time 1781220387.78 total 30.02 last 56.57)
 - open/close 2464 (time 1781220397.79 total 40.03 last 66.57)
 - open/close 3176 (time 1781220407.80 total 50.04 last 71.11)
 - open/close 3903 (time 1781220417.82 total 60.06 last 72.53)
 - open/close 4765 (time 1781220427.83 total 70.07 last 86.16)
 - open/close 5627 (time 1781220437.84 total 80.08 last 86.07)
 - open/close 6525 (time 1781220447.85 total 90.09 last 89.76)
 - open/close 7386 (time 1781220457.86 total 100.10 last 85.97)
total: 8000 open/close in 108.12 seconds: 73.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
 - unlinked 0 (time 1781220636 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 690 (time 1781220764.43 total 10.00 last 68.98)
 - open/close 1407 (time 1781220774.43 total 20.01 last 71.69)
 - open/close 2016 (time 1781220784.45 total 30.03 last 60.75)
 - open/close 2752 (time 1781220794.46 total 40.04 last 73.54)
 - open/close 3486 (time 1781220804.47 total 50.04 last 73.36)
 - open/close 4169 (time 1781220814.48 total 60.06 last 68.21)
 - open/close 4878 (time 1781220824.49 total 70.07 last 70.82)
 - open/close 5604 (time 1781220834.49 total 80.07 last 72.60)
 - open/close 6361 (time 1781220844.50 total 90.08 last 75.62)
 - open/close 7141 (time 1781220854.51 total 100.09 last 77.92)
 - open/close 7982 (time 1781220864.52 total 110.09 last 84.07)
total: 8000 open/close in 110.26 seconds: 72.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1781220979 ; total 0 ; last 0)
total: 8000 unlinks in 80 seconds: 100.000000 unlinks/second