== sanity test 124b: lru resize (performance test) ================================================================================= 22:20:15 (1787797215)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 688 (time 1787797230.55 total 10.01 last 68.75)
 - open/close 1401 (time 1787797240.58 total 20.04 last 71.08)
 - open/close 2151 (time 1787797250.59 total 30.04 last 74.96)
 - open/close 2937 (time 1787797260.60 total 40.05 last 78.52)
 - open/close 3781 (time 1787797270.60 total 50.05 last 84.40)
 - open/close 4665 (time 1787797280.60 total 60.06 last 88.37)
 - open/close 5374 (time 1787797290.62 total 70.08 last 70.76)
 - open/close 6205 (time 1787797300.62 total 80.08 last 83.06)
 - open/close 6992 (time 1787797310.63 total 90.09 last 78.65)
 - open/close 7789 (time 1787797320.64 total 100.10 last 79.59)
total: 8000 open/close in 102.61 seconds: 77.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 148 seconds
lru_size = 400
 - unlinked 0 (time 1787797482 ; total 1 ; last 1)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 742 (time 1787797610.04 total 10.01 last 74.16)
 - open/close 1457 (time 1787797620.05 total 20.01 last 71.46)
 - open/close 2363 (time 1787797630.07 total 30.04 last 90.37)
 - open/close 3077 (time 1787797640.09 total 40.05 last 71.28)
 - open/close 3751 (time 1787797650.09 total 50.06 last 67.37)
 - open/close 4433 (time 1787797660.10 total 60.07 last 68.15)
 - open/close 5268 (time 1787797670.11 total 70.07 last 83.43)
 - open/close 6039 (time 1787797680.11 total 80.08 last 77.06)
 - open/close 6865 (time 1787797690.12 total 90.09 last 82.54)
 - open/close 7717 (time 1787797700.13 total 100.09 last 85.16)
total: 8000 open/close in 103.72 seconds: 77.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 81 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1787797809 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second