== sanity test 124b: lru resize (performance test) ================================================================================= 18:49:35 (1781218175)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1198 (time 1781218188.34 total 10.00 last 119.76)
 - open/close 2424 (time 1781218198.34 total 20.01 last 122.53)
 - open/close 3909 (time 1781218208.35 total 30.01 last 148.42)
 - open/close 4521 (time 1781218218.37 total 40.03 last 61.08)
 - open/close 5550 (time 1781218228.38 total 50.04 last 102.80)
 - open/close 6454 (time 1781218238.38 total 60.05 last 90.37)
 - open/close 7835 (time 1781218248.38 total 70.05 last 138.08)
total: 8000 open/close in 71.50 seconds: 111.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 400
 - unlinked 0 (time 1781218348 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second
 - open/close 1380 (time 1781218393.62 total 10.00 last 137.93)
 - open/close 2901 (time 1781218403.62 total 20.01 last 152.03)
 - open/close 4509 (time 1781218413.63 total 30.02 last 160.69)
 - open/close 6196 (time 1781218423.64 total 40.02 last 168.56)
 - open/close 7841 (time 1781218433.64 total 50.03 last 164.40)
total: 8000 open/close in 51.13 seconds: 156.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1781218493 ; total 0 ; last 0)
total: 8000 unlinks in 26 seconds: 307.692322 unlinks/second