== sanity test 124b: lru resize (performance test) ================================================================================= 02:39:46 (1788676786)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 708 (time 1788676801.37 total 10.00 last 70.77)
 - open/close 1375 (time 1788676811.37 total 20.01 last 66.69)
 - open/close 2024 (time 1788676821.38 total 30.02 last 64.82)
 - open/close 2687 (time 1788676831.40 total 40.03 last 66.20)
 - open/close 3380 (time 1788676841.40 total 50.03 last 69.30)
 - open/close 4056 (time 1788676851.40 total 60.03 last 67.59)
 - open/close 4705 (time 1788676861.41 total 70.05 last 64.82)
 - open/close 5352 (time 1788676871.42 total 80.06 last 64.65)
 - open/close 6008 (time 1788676881.44 total 90.07 last 65.48)
 - open/close 6631 (time 1788676891.44 total 100.07 last 62.30)
 - open/close 7218 (time 1788676901.44 total 110.08 last 58.66)
 - open/close 7886 (time 1788676911.45 total 120.09 last 66.74)
total: 8000 open/close in 122.21 seconds: 65.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 157 seconds
lru_size = 400
 - unlinked 0 (time 1788677080 ; total 0 ; last 0)
total: 8000 unlinks in 126 seconds: 63.492062 unlinks/second
 - open/close 641 (time 1788677223.06 total 10.00 last 64.09)
 - open/close 1332 (time 1788677233.06 total 20.00 last 69.10)
 - open/close 2043 (time 1788677243.07 total 30.01 last 71.03)
 - open/close 2705 (time 1788677253.08 total 40.03 last 66.11)
 - open/close 3353 (time 1788677263.09 total 50.04 last 64.74)
 - open/close 4042 (time 1788677273.10 total 60.04 last 68.87)
 - open/close 4719 (time 1788677283.10 total 70.04 last 67.66)
 - open/close 5430 (time 1788677293.12 total 80.06 last 71.00)
 - open/close 6024 (time 1788677303.12 total 90.06 last 59.40)
 - open/close 6697 (time 1788677313.12 total 100.06 last 67.29)
 - open/close 7417 (time 1788677323.12 total 110.07 last 71.96)
total: 8000 open/close in 118.42 seconds: 67.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8006
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788677445 ; total 0 ; last 0)
total: 8000 unlinks in 82 seconds: 97.560974 unlinks/second