== sanity test 124b: lru resize (performance test) ================================================================================= 11:34:39 (1789313679)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1229 (time 1789313691.51 total 10.01 last 122.80)
 - open/close 2344 (time 1789313701.51 total 20.01 last 111.48)
 - open/close 3608 (time 1789313711.51 total 30.01 last 126.36)
 - open/close 4999 (time 1789313721.52 total 40.02 last 139.01)
 - open/close 6189 (time 1789313731.52 total 50.02 last 118.98)
 - open/close 7340 (time 1789313741.52 total 60.02 last 115.08)
total: 8000 open/close in 65.24 seconds: 122.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 400
 - unlinked 0 (time 1789313850 ; total 0 ; last 0)
total: 8000 unlinks in 44 seconds: 181.818176 unlinks/second
 - open/close 1200 (time 1789313907.49 total 10.01 last 119.86)
 - open/close 2463 (time 1789313917.49 total 20.01 last 126.28)
 - open/close 4197 (time 1789313927.50 total 30.02 last 173.34)
 - open/close 5643 (time 1789313937.53 total 40.05 last 144.10)
 - open/close 6367 (time 1789313947.54 total 50.06 last 72.37)
 - open/close 7676 (time 1789313957.54 total 60.06 last 130.83)
total: 8000 open/close in 61.90 seconds: 129.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 8005
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1789314011 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second