== sanity test 124b: lru resize (performance test) ================================================================================= 17:40:41 (1789594841)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 745 (time 1789594855.66 total 10.01 last 74.45)
 - open/close 1440 (time 1789594865.66 total 20.01 last 69.47)
 - open/close 2179 (time 1789594875.69 total 30.04 last 73.70)
 - open/close 2875 (time 1789594885.70 total 40.05 last 69.50)
 - open/close 3522 (time 1789594895.71 total 50.06 last 64.65)
 - open/close 4204 (time 1789594905.72 total 60.07 last 68.12)
 - open/close 4969 (time 1789594915.74 total 70.08 last 76.40)
 - open/close 5733 (time 1789594925.74 total 80.09 last 76.37)
 - open/close 6403 (time 1789594935.76 total 90.10 last 66.89)
 - open/close 7078 (time 1789594945.77 total 100.11 last 67.43)
 - open/close 7741 (time 1789594955.77 total 110.12 last 66.25)
total: 8000 open/close in 114.89 seconds: 69.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 176 seconds
lru_size = 400
 - unlinked 0 (time 1789595146 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
 - open/close 707 (time 1789595267.20 total 10.00 last 70.68)
 - open/close 1424 (time 1789595277.20 total 20.00 last 71.70)
 - open/close 2095 (time 1789595287.22 total 30.03 last 66.94)
 - open/close 2718 (time 1789595297.23 total 40.03 last 62.26)
 - open/close 3247 (time 1789595307.25 total 50.05 last 52.82)
 - open/close 3746 (time 1789595317.26 total 60.07 last 49.82)
 - open/close 4347 (time 1789595327.27 total 70.07 last 60.09)
 - open/close 5107 (time 1789595337.27 total 80.08 last 75.94)
 - open/close 5771 (time 1789595347.27 total 90.08 last 66.39)
 - open/close 6498 (time 1789595357.28 total 100.08 last 72.67)
 - open/close 7301 (time 1789595367.28 total 110.09 last 80.25)
total: 8000 open/close in 119.76 seconds: 66.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1789595486 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second