== sanity test 124b: lru resize (performance test) ================================================================================= 13:28:36 (1787851716)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 544 (time 1787851732.71 total 10.01 last 54.35)
 - open/close 1285 (time 1787851742.71 total 20.01 last 74.10)
 - open/close 2057 (time 1787851752.71 total 30.01 last 77.17)
 - open/close 2823 (time 1787851762.73 total 40.03 last 76.47)
 - open/close 3639 (time 1787851772.74 total 50.04 last 81.55)
 - open/close 4498 (time 1787851782.75 total 60.05 last 85.79)
 - open/close 5273 (time 1787851792.75 total 70.05 last 77.50)
 - open/close 6060 (time 1787851802.75 total 80.05 last 78.67)
 - open/close 6875 (time 1787851812.76 total 90.06 last 81.46)
 - open/close 7690 (time 1787851822.76 total 100.06 last 81.48)
total: 8000 open/close in 104.05 seconds: 76.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 162 seconds
lru_size = 400
 - unlinked 0 (time 1787852000 ; total 1 ; last 1)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 755 (time 1787852117.35 total 10.01 last 75.44)
 - open/close 1560 (time 1787852127.35 total 20.01 last 80.47)
 - open/close 2391 (time 1787852137.36 total 30.02 last 83.03)
 - open/close 3156 (time 1787852147.36 total 40.02 last 76.49)
 - open/close 3814 (time 1787852157.36 total 50.02 last 65.80)
 - open/close 4553 (time 1787852167.37 total 60.03 last 73.83)
 - open/close 5369 (time 1787852177.38 total 70.04 last 81.52)
 - open/close 6248 (time 1787852187.39 total 80.05 last 87.83)
 - open/close 6956 (time 1787852197.39 total 90.05 last 70.79)
 - open/close 7568 (time 1787852207.40 total 100.06 last 61.17)
total: 8000 open/close in 106.49 seconds: 75.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8006
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1787852338 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second