== sanity test 124b: lru resize (performance test) ================================================================================= 00:31:52 (1788755512)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 729 (time 1788755526.76 total 10.01 last 72.85)
 - open/close 1438 (time 1788755536.77 total 20.02 last 70.81)
 - open/close 2155 (time 1788755546.77 total 30.02 last 71.69)
 - open/close 2881 (time 1788755556.78 total 40.03 last 72.54)
 - open/close 3607 (time 1788755566.81 total 50.05 last 72.44)
 - open/close 4245 (time 1788755576.81 total 60.06 last 63.77)
 - open/close 4959 (time 1788755586.81 total 70.06 last 71.40)
 - open/close 5610 (time 1788755596.81 total 80.06 last 65.10)
 - open/close 6312 (time 1788755606.82 total 90.07 last 70.12)
 - open/close 7031 (time 1788755616.83 total 100.08 last 71.83)
 - open/close 7727 (time 1788755626.84 total 110.09 last 69.56)
total: 8000 open/close in 113.28 seconds: 70.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1788755794 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 674 (time 1788755926.40 total 10.01 last 67.36)
 - open/close 1395 (time 1788755936.41 total 20.02 last 72.00)
 - open/close 2152 (time 1788755946.42 total 30.02 last 75.67)
 - open/close 2850 (time 1788755956.42 total 40.03 last 69.76)
 - open/close 3462 (time 1788755966.44 total 50.04 last 61.13)
 - open/close 4213 (time 1788755976.44 total 60.05 last 75.03)
 - open/close 4917 (time 1788755986.44 total 70.05 last 70.40)
 - open/close 5614 (time 1788755996.45 total 80.05 last 69.68)
 - open/close 6306 (time 1788756006.49 total 90.09 last 68.92)
 - open/close 6901 (time 1788756016.50 total 100.10 last 59.44)
 - open/close 7506 (time 1788756026.51 total 110.12 last 60.41)
total: 8000 open/close in 117.04 seconds: 68.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1788756142 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second