== sanity test 124b: lru resize (performance test) ================================================================================= 03:08:02 (1781248082)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 797 (time 1781248095.79 total 10.00 last 79.66)
 - open/close 1575 (time 1781248105.80 total 20.01 last 77.75)
 - open/close 2453 (time 1781248115.81 total 30.02 last 87.72)
 - open/close 3212 (time 1781248125.81 total 40.02 last 75.87)
 - open/close 3946 (time 1781248135.82 total 50.03 last 73.34)
 - open/close 4691 (time 1781248145.83 total 60.04 last 74.42)
 - open/close 5489 (time 1781248155.83 total 70.05 last 79.75)
 - open/close 6376 (time 1781248165.84 total 80.05 last 88.68)
 - open/close 7258 (time 1781248175.85 total 90.06 last 88.12)
total: 8000 open/close in 98.28 seconds: 81.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 183 seconds
lru_size = 400
 - unlinked 0 (time 1781248374 ; total 0 ; last 0)
total: 8000 unlinks in 133 seconds: 60.150375 unlinks/second
 - open/close 598 (time 1781248522.75 total 10.02 last 59.70)
 - open/close 1127 (time 1781248532.77 total 20.04 last 52.80)
 - open/close 1593 (time 1781248542.78 total 30.05 last 46.54)
 - open/close 2165 (time 1781248552.79 total 40.05 last 57.18)
 - open/close 2685 (time 1781248562.80 total 50.06 last 51.95)
 - open/close 3271 (time 1781248572.80 total 60.06 last 58.59)
 - open/close 3940 (time 1781248582.80 total 70.06 last 66.89)
 - open/close 4519 (time 1781248592.82 total 80.09 last 57.75)
 - open/close 5092 (time 1781248602.84 total 90.10 last 57.23)
 - open/close 5708 (time 1781248612.84 total 100.10 last 61.59)
 - open/close 6329 (time 1781248622.84 total 110.11 last 62.07)
 - open/close 7001 (time 1781248632.85 total 120.11 last 67.18)
 - open/close 7652 (time 1781248642.85 total 130.12 last 65.06)
total: 8000 open/close in 135.25 seconds: 59.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 107 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1781248779 ; total 0 ; last 0)
total: 8000 unlinks in 86 seconds: 93.023254 unlinks/second