== sanity test 124b: lru resize (performance test) ================================================================================= 05:54:06 (1787392446)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 710 (time 1787392461.02 total 10.01 last 70.95)
 - open/close 1313 (time 1787392471.03 total 20.01 last 60.26)
 - open/close 1843 (time 1787392481.03 total 30.02 last 52.98)
 - open/close 2451 (time 1787392491.04 total 40.02 last 60.80)
 - open/close 3136 (time 1787392501.05 total 50.03 last 68.42)
 - open/close 3869 (time 1787392511.05 total 60.04 last 73.26)
 - open/close 4579 (time 1787392521.08 total 70.06 last 70.83)
 - open/close 5283 (time 1787392531.08 total 80.07 last 70.36)
 - open/close 6001 (time 1787392541.09 total 90.08 last 71.73)
 - open/close 6719 (time 1787392551.10 total 100.09 last 71.73)
 - open/close 7393 (time 1787392561.11 total 110.09 last 67.37)
total: 8000 open/close in 118.82 seconds: 67.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 174 seconds
lru_size = 400
 - unlinked 0 (time 1787392751 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
 - open/close 736 (time 1787392866.96 total 10.01 last 73.53)
 - open/close 1447 (time 1787392876.96 total 20.02 last 71.05)
 - open/close 2214 (time 1787392886.96 total 30.02 last 76.68)
 - open/close 2931 (time 1787392896.98 total 40.04 last 71.57)
 - open/close 3645 (time 1787392907.00 total 50.05 last 71.28)
 - open/close 4438 (time 1787392917.01 total 60.06 last 79.23)
 - open/close 5160 (time 1787392927.02 total 70.07 last 72.12)
 - open/close 5926 (time 1787392937.03 total 80.08 last 76.54)
 - open/close 6659 (time 1787392947.03 total 90.08 last 73.30)
 - open/close 7298 (time 1787392957.04 total 100.09 last 63.83)
 - open/close 7948 (time 1787392967.05 total 110.11 last 64.90)
total: 8000 open/close in 110.88 seconds: 72.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1787393087 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second