== sanity test 124b: lru resize (performance test) ================================================================================= 11:00:44 (1785769244)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 625 (time 1785769261.03 total 10.01 last 62.47)
 - open/close 1090 (time 1785769271.03 total 20.01 last 46.49)
 - open/close 1666 (time 1785769281.03 total 30.01 last 57.57)
 - open/close 2194 (time 1785769291.04 total 40.02 last 52.77)
 - open/close 2748 (time 1785769301.04 total 50.02 last 55.39)
 - open/close 3347 (time 1785769311.06 total 60.04 last 59.78)
 - open/close 4031 (time 1785769321.08 total 70.06 last 68.27)
 - open/close 4652 (time 1785769331.09 total 80.06 last 62.07)
 - open/close 5380 (time 1785769341.09 total 90.06 last 72.80)
 - open/close 6109 (time 1785769351.09 total 100.07 last 72.89)
 - open/close 6612 (time 1785769361.09 total 110.07 last 50.28)
 - open/close 7063 (time 1785769371.09 total 120.07 last 45.09)
 - open/close 7533 (time 1785769381.12 total 130.10 last 46.87)
total: 8000 open/close in 139.87 seconds: 57.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 222 seconds
lru_size = 400
 - unlinked 0 (time 1785769627 ; total 0 ; last 0)
total: 8000 unlinks in 157 seconds: 50.955414 unlinks/second
 - open/close 572 (time 1785769801.19 total 10.02 last 57.08)
 - open/close 1106 (time 1785769811.19 total 20.02 last 53.40)
 - open/close 1736 (time 1785769821.19 total 30.03 last 62.98)
 - open/close 2238 (time 1785769831.22 total 40.05 last 50.07)
 - open/close 2643 (time 1785769841.22 total 50.05 last 40.49)
 - open/close 3251 (time 1785769851.24 total 60.08 last 60.66)
 - open/close 3725 (time 1785769861.25 total 70.08 last 47.38)
 - open/close 4284 (time 1785769871.26 total 80.10 last 55.82)
 - open/close 4840 (time 1785769881.27 total 90.10 last 55.55)
 - open/close 5320 (time 1785769891.27 total 100.11 last 47.99)
 - open/close 6110 (time 1785769901.28 total 110.12 last 78.93)
 - open/close 6630 (time 1785769911.29 total 120.12 last 51.95)
 - open/close 7250 (time 1785769921.31 total 130.14 last 61.91)
 - open/close 7847 (time 1785769931.32 total 140.16 last 59.60)
total: 8000 open/close in 142.84 seconds: 56.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 133 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1785770102 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second