== sanity test 124b: lru resize (performance test) ================================================================================= 02:07:21 (1787119641)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 763 (time 1787119655.90 total 10.01 last 76.26)
 - open/close 1475 (time 1787119665.91 total 20.01 last 71.17)
 - open/close 2213 (time 1787119675.91 total 30.01 last 73.76)
 - open/close 3002 (time 1787119685.92 total 40.02 last 78.83)
 - open/close 3729 (time 1787119695.93 total 50.03 last 72.65)
 - open/close 4479 (time 1787119705.94 total 60.04 last 74.93)
 - open/close 5149 (time 1787119715.95 total 70.05 last 66.93)
 - open/close 5967 (time 1787119725.95 total 80.05 last 81.76)
 - open/close 6682 (time 1787119735.96 total 90.06 last 71.42)
 - open/close 7399 (time 1787119745.96 total 100.07 last 71.69)
total: 8000 open/close in 108.41 seconds: 73.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1787119937 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
 - open/close 710 (time 1787120055.80 total 10.02 last 70.86)
 - open/close 1440 (time 1787120065.80 total 20.02 last 72.98)
 - open/close 2186 (time 1787120075.81 total 30.03 last 74.55)
 - open/close 2925 (time 1787120085.82 total 40.04 last 73.82)
 - open/close 3692 (time 1787120095.82 total 50.04 last 76.69)
 - open/close 4451 (time 1787120105.84 total 60.06 last 75.78)
 - open/close 5224 (time 1787120115.85 total 70.06 last 77.24)
 - open/close 5956 (time 1787120125.86 total 80.08 last 73.11)
 - open/close 6667 (time 1787120135.86 total 90.08 last 71.07)
 - open/close 7398 (time 1787120145.88 total 100.10 last 72.99)
total: 8000 open/close in 108.47 seconds: 73.75 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 53% faster with lru resize enabled
 - unlinked 0 (time 1787120254 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second