== sanity test 124b: lru resize (performance test) ================================================================================= 03:01:54 (1788850914)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 718 (time 1788850928.84 total 10.01 last 71.76)
 - open/close 1472 (time 1788850938.85 total 20.01 last 75.33)
 - open/close 2206 (time 1788850948.85 total 30.02 last 73.39)
 - open/close 2933 (time 1788850958.86 total 40.03 last 72.59)
 - open/close 3728 (time 1788850968.88 total 50.04 last 79.40)
 - open/close 4416 (time 1788850978.89 total 60.06 last 68.71)
 - open/close 5084 (time 1788850988.89 total 70.06 last 66.79)
 - open/close 5750 (time 1788850998.90 total 80.06 last 66.56)
 - open/close 6427 (time 1788851008.90 total 90.07 last 67.67)
 - open/close 7118 (time 1788851018.91 total 100.08 last 69.05)
 - open/close 7822 (time 1788851028.91 total 110.08 last 70.37)
total: 8000 open/close in 112.32 seconds: 71.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 179 seconds
lru_size = 400
 - unlinked 0 (time 1788851218 ; total 0 ; last 0)
total: 8000 unlinks in 116 seconds: 68.965515 unlinks/second
 - open/close 669 (time 1788851350.62 total 10.02 last 66.76)
 - open/close 1385 (time 1788851360.63 total 20.03 last 71.54)
 - open/close 2013 (time 1788851370.63 total 30.03 last 62.80)
 - open/close 2641 (time 1788851380.64 total 40.04 last 62.76)
 - open/close 3285 (time 1788851390.66 total 50.06 last 64.27)
 - open/close 3960 (time 1788851400.67 total 60.07 last 67.40)
 - open/close 4660 (time 1788851410.70 total 70.09 last 69.85)
 - open/close 5305 (time 1788851420.71 total 80.11 last 64.39)
 - open/close 5959 (time 1788851430.72 total 90.12 last 65.35)
 - open/close 6560 (time 1788851440.73 total 100.13 last 60.04)
 - open/close 7225 (time 1788851450.74 total 110.14 last 66.43)
 - open/close 7890 (time 1788851460.75 total 120.14 last 66.45)
total: 8000 open/close in 121.60 seconds: 65.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1788851581 ; total 0 ; last 0)
total: 8000 unlinks in 81 seconds: 98.765434 unlinks/second