== sanity test 124b: lru resize (performance test) ================================================================================= 18:12:27 (1788473547)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 900 (time 1788473562.71 total 10.00 last 89.96)
 - open/close 1739 (time 1788473572.72 total 20.02 last 83.81)
 - open/close 2515 (time 1788473582.72 total 30.02 last 77.57)
 - open/close 3303 (time 1788473592.73 total 40.03 last 78.73)
 - open/close 4082 (time 1788473602.74 total 50.04 last 77.83)
 - open/close 4919 (time 1788473612.75 total 60.05 last 83.61)
 - open/close 5817 (time 1788473622.76 total 70.06 last 89.74)
 - open/close 6656 (time 1788473632.76 total 80.06 last 83.85)
 - open/close 7487 (time 1788473642.77 total 90.07 last 83.03)
total: 8000 open/close in 95.31 seconds: 83.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 155 seconds
lru_size = 400
 - unlinked 0 (time 1788473812 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
 - open/close 882 (time 1788473928.24 total 10.01 last 88.15)
 - open/close 1659 (time 1788473938.25 total 20.01 last 77.67)
 - open/close 2704 (time 1788473948.26 total 30.02 last 104.37)
 - open/close 3437 (time 1788473958.26 total 40.03 last 73.27)
 - open/close 4090 (time 1788473968.27 total 50.03 last 65.26)
 - open/close 5000 (time 1788473978.28 total 60.04 last 90.94)
 - open/close 5925 (time 1788473988.29 total 70.05 last 92.42)
 - open/close 6828 (time 1788473998.29 total 80.05 last 90.26)
 - open/close 7663 (time 1788474008.29 total 90.06 last 83.47)
total: 8000 open/close in 93.82 seconds: 85.27 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8007
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1788474124 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second