== sanity test 124b: lru resize (performance test) ================================================================================= 23:57:41 (1787716661)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 701 (time 1787716675.64 total 10.02 last 69.95)
 - open/close 1297 (time 1787716685.64 total 20.02 last 59.59)
 - open/close 1955 (time 1787716695.66 total 30.04 last 65.71)
 - open/close 2504 (time 1787716705.66 total 40.04 last 54.86)
 - open/close 3134 (time 1787716715.66 total 50.04 last 62.99)
 - open/close 3831 (time 1787716725.68 total 60.06 last 69.61)
 - open/close 4581 (time 1787716735.69 total 70.07 last 74.91)
 - open/close 5264 (time 1787716745.70 total 80.08 last 68.25)
 - open/close 6050 (time 1787716755.74 total 90.13 last 78.22)
 - open/close 6721 (time 1787716765.77 total 100.15 last 66.94)
 - open/close 7529 (time 1787716775.77 total 110.15 last 80.80)
total: 8000 open/close in 117.02 seconds: 68.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 164 seconds
lru_size = 400
 - unlinked 0 (time 1787716957 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
 - open/close 764 (time 1787717072.15 total 10.01 last 76.31)
 - open/close 1518 (time 1787717082.16 total 20.03 last 75.27)
 - open/close 2391 (time 1787717092.17 total 30.03 last 87.25)
 - open/close 3153 (time 1787717102.19 total 40.05 last 76.06)
 - open/close 3864 (time 1787717112.19 total 50.06 last 71.07)
 - open/close 4557 (time 1787717122.19 total 60.06 last 69.29)
 - open/close 5316 (time 1787717132.21 total 70.08 last 75.75)
 - open/close 5983 (time 1787717142.22 total 80.09 last 66.62)
 - open/close 6504 (time 1787717152.23 total 90.10 last 52.07)
 - open/close 6962 (time 1787717162.23 total 100.10 last 45.80)
 - open/close 7528 (time 1787717172.24 total 110.11 last 56.54)
total: 8000 open/close in 118.34 seconds: 67.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1787717292 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second