== sanity test 124b: lru resize (performance test) ================================================================================= 13:18:05 (1787505485)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 748 (time 1787505499.31 total 10.02 last 74.65)
 - open/close 1499 (time 1787505509.31 total 20.02 last 75.08)
 - open/close 2236 (time 1787505519.32 total 30.03 last 73.65)
 - open/close 2943 (time 1787505529.33 total 40.04 last 70.65)
 - open/close 3743 (time 1787505539.35 total 50.06 last 79.80)
 - open/close 4497 (time 1787505549.36 total 60.07 last 75.35)
 - open/close 5354 (time 1787505559.37 total 70.07 last 85.65)
 - open/close 6065 (time 1787505569.37 total 80.08 last 71.06)
 - open/close 6665 (time 1787505579.38 total 90.09 last 59.94)
 - open/close 7360 (time 1787505589.40 total 100.11 last 69.37)
total: 8000 open/close in 109.06 seconds: 73.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 151 seconds
lru_size = 400
 - unlinked 0 (time 1787505758 ; total 0 ; last 0)
total: 8000 unlinks in 115 seconds: 69.565216 unlinks/second
 - open/close 733 (time 1787505887.41 total 10.00 last 73.29)
 - open/close 1477 (time 1787505897.42 total 20.00 last 74.39)
 - open/close 2285 (time 1787505907.43 total 30.02 last 80.66)
 - open/close 3033 (time 1787505917.44 total 40.03 last 74.76)
 - open/close 3836 (time 1787505927.44 total 50.03 last 80.27)
 - open/close 4643 (time 1787505937.46 total 60.05 last 80.57)
 - open/close 5404 (time 1787505947.47 total 70.06 last 76.03)
 - open/close 6197 (time 1787505957.47 total 80.06 last 79.25)
 - open/close 6977 (time 1787505967.48 total 90.07 last 77.96)
 - open/close 7731 (time 1787505977.48 total 100.07 last 75.37)
total: 8000 open/close in 103.83 seconds: 77.05 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 8006
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1787506074 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second