== sanity test 124b: lru resize (performance test) ================================================================================= 03:53:19 (1787125999)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 778 (time 1787126014.44 total 10.00 last 77.79)
 - open/close 1635 (time 1787126024.44 total 20.00 last 85.69)
 - open/close 2425 (time 1787126034.45 total 30.00 last 78.99)
 - open/close 3174 (time 1787126044.45 total 40.01 last 74.85)
 - open/close 3985 (time 1787126054.45 total 50.01 last 81.09)
 - open/close 4819 (time 1787126064.46 total 60.02 last 83.36)
 - open/close 5658 (time 1787126074.46 total 70.02 last 83.89)
 - open/close 6461 (time 1787126084.47 total 80.02 last 80.26)
 - open/close 7336 (time 1787126094.47 total 90.02 last 87.50)
total: 8000 open/close in 97.61 seconds: 81.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 191 seconds
lru_size = 400
 - unlinked 0 (time 1787126305 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
 - open/close 729 (time 1787126427.07 total 10.02 last 72.73)
 - open/close 1525 (time 1787126437.09 total 20.04 last 79.46)
 - open/close 2357 (time 1787126447.10 total 30.05 last 83.10)
 - open/close 3163 (time 1787126457.13 total 40.07 last 80.43)
 - open/close 3934 (time 1787126467.13 total 50.08 last 77.06)
 - open/close 4799 (time 1787126477.14 total 60.09 last 86.42)
 - open/close 5517 (time 1787126487.15 total 70.09 last 71.75)
 - open/close 6272 (time 1787126497.15 total 80.10 last 75.49)
 - open/close 7041 (time 1787126507.15 total 90.10 last 76.85)
 - open/close 7824 (time 1787126517.16 total 100.11 last 78.26)
total: 8000 open/close in 102.58 seconds: 77.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1787126636 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second