== sanity test 124b: lru resize (performance test) ================================================================================= 22:41:38 (1788662498)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 770 (time 1788662512.48 total 10.01 last 76.93)
 - open/close 1520 (time 1788662522.48 total 20.01 last 74.99)
 - open/close 2224 (time 1788662532.48 total 30.01 last 70.37)
 - open/close 2997 (time 1788662542.49 total 40.01 last 77.29)
 - open/close 3702 (time 1788662552.49 total 50.02 last 70.49)
 - open/close 4471 (time 1788662562.50 total 60.03 last 76.80)
 - open/close 5241 (time 1788662572.51 total 70.04 last 76.93)
 - open/close 5950 (time 1788662582.52 total 80.05 last 70.83)
 - open/close 6638 (time 1788662592.53 total 90.06 last 68.72)
 - open/close 7340 (time 1788662602.55 total 100.08 last 70.09)
total: 8000 open/close in 109.87 seconds: 72.81 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 1788662782 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second
 - open/close 838 (time 1788662893.03 total 10.02 last 83.67)
 - open/close 1593 (time 1788662903.04 total 20.03 last 75.40)
 - open/close 2385 (time 1788662913.04 total 30.03 last 79.17)
 - open/close 3200 (time 1788662923.05 total 40.04 last 81.46)
 - open/close 4009 (time 1788662933.05 total 50.04 last 80.86)
 - open/close 4876 (time 1788662943.06 total 60.04 last 86.69)
 - open/close 5728 (time 1788662953.06 total 70.05 last 85.14)
 - open/close 6457 (time 1788662963.07 total 80.06 last 72.85)
 - open/close 7199 (time 1788662973.07 total 90.06 last 74.19)
 - open/close 7973 (time 1788662983.07 total 100.06 last 77.39)
total: 8000 open/close in 100.45 seconds: 79.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 8006
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1788663088 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second