== sanity test 124b: lru resize (performance test) ================================================================================= 22:05:06 (1781229906)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 575 (time 1781229921.48 total 10.01 last 57.47)
 - open/close 1173 (time 1781229931.49 total 20.01 last 59.76)
 - open/close 1788 (time 1781229941.50 total 30.03 last 61.41)
 - open/close 2417 (time 1781229951.51 total 40.03 last 62.87)
 - open/close 3013 (time 1781229961.54 total 50.06 last 59.43)
 - open/close 3523 (time 1781229971.58 total 60.10 last 50.78)
 - open/close 4057 (time 1781229981.59 total 70.12 last 53.34)
 - open/close 4571 (time 1781229991.60 total 80.12 last 51.37)
 - open/close 5061 (time 1781230001.60 total 90.12 last 48.99)
 - open/close 5583 (time 1781230011.61 total 100.13 last 52.15)
 - open/close 6171 (time 1781230021.63 total 110.15 last 58.71)
 - open/close 6787 (time 1781230031.64 total 120.16 last 61.54)
 - open/close 7385 (time 1781230041.64 total 130.16 last 59.77)
total: 8000 open/close in 139.90 seconds: 57.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 205 seconds
lru_size = 400
 - unlinked 0 (time 1781230268 ; total 0 ; last 0)
total: 8000 unlinks in 121 seconds: 66.115700 unlinks/second
 - open/close 661 (time 1781230405.39 total 10.00 last 66.08)
 - open/close 1350 (time 1781230415.40 total 20.01 last 68.86)
 - open/close 2047 (time 1781230425.43 total 30.04 last 69.48)
 - open/close 2728 (time 1781230435.44 total 40.05 last 68.02)
 - open/close 3362 (time 1781230445.50 total 50.11 last 63.01)
 - open/close 4021 (time 1781230455.51 total 60.12 last 65.87)
 - open/close 4682 (time 1781230465.52 total 70.13 last 66.02)
 - open/close 5395 (time 1781230475.53 total 80.14 last 71.23)
 - open/close 6053 (time 1781230485.54 total 90.15 last 65.77)
 - open/close 6677 (time 1781230495.54 total 100.15 last 62.39)
 - open/close 7269 (time 1781230505.55 total 110.16 last 59.10)
 - open/close 7937 (time 1781230515.57 total 120.18 last 66.70)
total: 8000 open/close in 121.34 seconds: 65.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1781230636 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second