== sanity test 124b: lru resize (performance test) ================================================================================= 14:44:03 (1782240243)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 706 (time 1782240258.15 total 10.01 last 70.51)
 - open/close 1355 (time 1782240268.15 total 20.02 last 64.87)
 - open/close 2050 (time 1782240278.15 total 30.02 last 69.48)
 - open/close 2807 (time 1782240288.16 total 40.03 last 75.63)
 - open/close 3559 (time 1782240298.17 total 50.03 last 75.17)
 - open/close 4260 (time 1782240308.19 total 60.06 last 69.92)
 - open/close 4856 (time 1782240318.20 total 70.06 last 59.58)
 - open/close 5540 (time 1782240328.22 total 80.09 last 68.24)
 - open/close 6167 (time 1782240338.23 total 90.09 last 62.67)
 - open/close 6811 (time 1782240348.24 total 100.10 last 64.34)
 - open/close 7447 (time 1782240358.24 total 110.10 last 63.59)
total: 8000 open/close in 118.45 seconds: 67.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 178 seconds
lru_size = 400
 - unlinked 0 (time 1782240557 ; total 0 ; last 0)
total: 8000 unlinks in 133 seconds: 60.150375 unlinks/second
 - open/close 623 (time 1782240706.66 total 10.01 last 62.23)
 - open/close 1257 (time 1782240716.68 total 20.03 last 63.28)
 - open/close 1896 (time 1782240726.68 total 30.04 last 63.86)
 - open/close 2474 (time 1782240736.69 total 40.04 last 57.78)
 - open/close 3163 (time 1782240746.69 total 50.05 last 68.85)
 - open/close 3826 (time 1782240756.70 total 60.06 last 66.25)
 - open/close 4467 (time 1782240766.71 total 70.07 last 64.03)
 - open/close 5211 (time 1782240776.71 total 80.07 last 74.39)
 - open/close 5886 (time 1782240786.72 total 90.08 last 67.44)
 - open/close 6664 (time 1782240796.72 total 100.08 last 77.77)
 - open/close 7353 (time 1782240806.73 total 110.09 last 68.83)
total: 8000 open/close in 119.53 seconds: 66.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1782240939 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second