== sanity test 124b: lru resize (performance test) ================================================================================= 00:13:53 (1788840833)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 879 (time 1788840849.50 total 10.01 last 87.81)
 - open/close 1656 (time 1788840859.51 total 20.02 last 77.63)
 - open/close 2382 (time 1788840869.51 total 30.02 last 72.60)
 - open/close 3143 (time 1788840879.51 total 40.02 last 76.07)
 - open/close 3994 (time 1788840889.52 total 50.03 last 85.04)
 - open/close 4869 (time 1788840899.52 total 60.03 last 87.46)
 - open/close 5614 (time 1788840909.52 total 70.03 last 74.50)
 - open/close 6414 (time 1788840919.52 total 80.04 last 79.99)
 - open/close 7203 (time 1788840929.53 total 90.05 last 78.80)
 - open/close 7947 (time 1788840939.54 total 100.05 last 74.37)
total: 8000 open/close in 100.75 seconds: 79.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 141 seconds
lru_size = 400
 - unlinked 0 (time 1788841092 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
 - open/close 818 (time 1788841210.51 total 10.00 last 81.78)
 - open/close 1714 (time 1788841220.52 total 20.01 last 89.56)
 - open/close 2505 (time 1788841230.53 total 30.01 last 79.04)
 - open/close 3272 (time 1788841240.53 total 40.02 last 76.66)
 - open/close 4152 (time 1788841250.54 total 50.03 last 87.94)
 - open/close 5012 (time 1788841260.54 total 60.03 last 85.96)
 - open/close 5835 (time 1788841270.55 total 70.04 last 82.26)
 - open/close 6647 (time 1788841280.56 total 80.05 last 81.11)
 - open/close 7365 (time 1788841290.56 total 90.05 last 71.78)
total: 8000 open/close in 97.28 seconds: 82.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1788841393 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second