== sanity test 124b: lru resize (performance test) ================================================================================= 16:14:30 (1784232870)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1401 (time 1784232882.20 total 10.00 last 140.06)
 - open/close 2743 (time 1784232892.20 total 20.01 last 134.13)
 - open/close 3911 (time 1784232902.21 total 30.02 last 116.68)
 - open/close 4593 (time 1784232912.25 total 40.06 last 67.91)
 - open/close 4848 (time 1784232922.27 total 50.08 last 25.46)
 - open/close 5093 (time 1784232932.30 total 60.10 last 24.44)
 - open/close 5371 (time 1784232942.31 total 70.12 last 27.76)
 - open/close 5679 (time 1784232952.31 total 80.12 last 30.79)
 - open/close 5918 (time 1784232962.34 total 90.15 last 23.84)
 - open/close 6892 (time 1784232972.35 total 100.15 last 97.34)
total: 8000 open/close in 108.90 seconds: 73.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 113 seconds
lru_size = 400
 - unlinked 0 (time 1784233100 ; total 0 ; last 0)
total: 8000 unlinks in 58 seconds: 137.931030 unlinks/second
 - open/close 1625 (time 1784233171.03 total 10.00 last 162.42)
 - open/close 3183 (time 1784233181.04 total 20.01 last 155.66)
 - open/close 4871 (time 1784233191.04 total 30.02 last 168.74)
 - open/close 6341 (time 1784233201.05 total 40.02 last 146.91)
 - open/close 7351 (time 1784233211.06 total 50.03 last 100.92)
total: 8000 open/close in 55.67 seconds: 143.71 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1784233283 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second