== sanity test 124b: lru resize (performance test) ================================================================================= 14:19:13 (1787854753)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 825 (time 1787854767.81 total 10.01 last 82.43)
 - open/close 1577 (time 1787854777.83 total 20.03 last 75.06)
 - open/close 2203 (time 1787854787.83 total 30.03 last 62.57)
 - open/close 2822 (time 1787854797.84 total 40.04 last 61.86)
 - open/close 3608 (time 1787854807.84 total 50.04 last 78.58)
 - open/close 4433 (time 1787854817.84 total 60.04 last 82.47)
 - open/close 5222 (time 1787854827.85 total 70.05 last 78.86)
 - open/close 6100 (time 1787854837.86 total 80.06 last 87.70)
 - open/close 6970 (time 1787854847.86 total 90.06 last 86.98)
 - open/close 7807 (time 1787854857.88 total 100.09 last 83.51)
total: 8000 open/close in 102.52 seconds: 78.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 170 seconds
lru_size = 400
 - unlinked 0 (time 1787855043 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 805 (time 1787855165.47 total 10.01 last 80.44)
 - open/close 1506 (time 1787855175.48 total 20.01 last 70.08)
 - open/close 2325 (time 1787855185.48 total 30.02 last 81.84)
 - open/close 3053 (time 1787855195.49 total 40.03 last 72.72)
 - open/close 3798 (time 1787855205.49 total 50.03 last 74.50)
 - open/close 4543 (time 1787855215.50 total 60.03 last 74.47)
 - open/close 5341 (time 1787855225.51 total 70.04 last 79.72)
 - open/close 6215 (time 1787855235.53 total 80.07 last 87.20)
 - open/close 7013 (time 1787855245.54 total 90.07 last 79.75)
 - open/close 7854 (time 1787855255.55 total 100.08 last 83.99)
total: 8000 open/close in 101.91 seconds: 78.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1787855357 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second