== sanity test 124b: lru resize (performance test) ================================================================================= 23:49:49 (1788839389)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 570 (time 1788839404.94 total 10.01 last 56.94)
 - open/close 1185 (time 1788839414.94 total 20.01 last 61.50)
 - open/close 1804 (time 1788839424.95 total 30.02 last 61.84)
 - open/close 2462 (time 1788839434.97 total 40.04 last 65.70)
 - open/close 3051 (time 1788839444.97 total 50.04 last 58.90)
 - open/close 3704 (time 1788839454.98 total 60.05 last 65.24)
 - open/close 4480 (time 1788839464.99 total 70.06 last 77.51)
 - open/close 5152 (time 1788839475.01 total 80.08 last 67.08)
 - open/close 5855 (time 1788839485.01 total 90.08 last 70.25)
 - open/close 6596 (time 1788839495.02 total 100.09 last 74.05)
 - open/close 7353 (time 1788839505.02 total 110.09 last 75.69)
total: 8000 open/close in 118.43 seconds: 67.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 157 seconds
lru_size = 400
 - unlinked 0 (time 1788839681 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 742 (time 1788839803.73 total 10.02 last 74.08)
 - open/close 1385 (time 1788839813.73 total 20.02 last 64.28)
 - open/close 2181 (time 1788839823.73 total 30.02 last 79.57)
 - open/close 2724 (time 1788839833.74 total 40.03 last 54.27)
 - open/close 3254 (time 1788839843.74 total 50.03 last 52.99)
 - open/close 4085 (time 1788839853.74 total 60.03 last 83.07)
 - open/close 4854 (time 1788839863.76 total 70.05 last 76.81)
 - open/close 5317 (time 1788839873.77 total 80.06 last 46.26)
 - open/close 6053 (time 1788839883.79 total 90.08 last 73.45)
 - open/close 6810 (time 1788839893.80 total 100.09 last 75.63)
 - open/close 7638 (time 1788839903.80 total 110.09 last 82.78)
total: 8000 open/close in 114.03 seconds: 70.16 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 43% faster with lru resize enabled
 - unlinked 0 (time 1788840019 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second