== sanity test 124b: lru resize (performance test) ================================================================================= 15:04:43 (1784055883)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 672 (time 1784055898.49 total 10.01 last 67.14)
 - open/close 1344 (time 1784055908.49 total 20.01 last 67.19)
 - open/close 2047 (time 1784055918.50 total 30.01 last 70.28)
 - open/close 2721 (time 1784055928.51 total 40.02 last 67.32)
 - open/close 3414 (time 1784055938.51 total 50.03 last 69.28)
 - open/close 4045 (time 1784055948.51 total 60.03 last 63.08)
 - open/close 4664 (time 1784055958.52 total 70.04 last 61.85)
 - open/close 5285 (time 1784055968.53 total 80.04 last 62.07)
 - open/close 5936 (time 1784055978.54 total 90.05 last 65.02)
 - open/close 6645 (time 1784055988.55 total 100.06 last 70.83)
 - open/close 7312 (time 1784055998.55 total 110.06 last 66.70)
total: 8000 open/close in 119.65 seconds: 66.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1784056201 ; total 0 ; last 0)
total: 8000 unlinks in 135 seconds: 59.259258 unlinks/second
 - open/close 571 (time 1784056352.37 total 10.02 last 57.00)
 - open/close 1213 (time 1784056362.38 total 20.03 last 64.14)
 - open/close 1911 (time 1784056372.38 total 30.03 last 69.80)
 - open/close 2666 (time 1784056382.39 total 40.03 last 75.44)
 - open/close 3389 (time 1784056392.41 total 50.05 last 72.16)
 - open/close 4099 (time 1784056402.41 total 60.05 last 70.99)
 - open/close 4775 (time 1784056412.42 total 70.06 last 67.56)
 - open/close 5432 (time 1784056422.42 total 80.06 last 65.70)
 - open/close 6235 (time 1784056432.43 total 90.07 last 80.21)
 - open/close 6955 (time 1784056442.43 total 100.07 last 71.99)
 - open/close 7694 (time 1784056452.44 total 110.08 last 73.85)
total: 8000 open/close in 114.67 seconds: 69.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1784056573 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second