== sanity test 124b: lru resize (performance test) ================================================================================= 17:39:12 (1786743552)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 529 (time 1786743567.96 total 10.01 last 52.87)
 - open/close 1158 (time 1786743577.98 total 20.02 last 62.81)
 - open/close 1729 (time 1786743587.99 total 30.03 last 57.05)
 - open/close 2336 (time 1786743598.01 total 40.05 last 60.57)
 - open/close 3019 (time 1786743608.02 total 50.06 last 68.22)
 - open/close 3653 (time 1786743618.02 total 60.06 last 63.39)
 - open/close 4223 (time 1786743628.02 total 70.06 last 57.00)
 - open/close 4836 (time 1786743638.03 total 80.07 last 61.27)
 - open/close 5433 (time 1786743648.03 total 90.07 last 59.69)
 - open/close 6113 (time 1786743658.03 total 100.07 last 67.96)
 - open/close 6835 (time 1786743668.04 total 110.08 last 72.18)
 - open/close 7429 (time 1786743678.04 total 120.08 last 59.36)
 - open/close 7957 (time 1786743688.05 total 130.09 last 52.77)
total: 8000 open/close in 130.61 seconds: 61.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 197 seconds
lru_size = 400
 - unlinked 0 (time 1786743898 ; total 0 ; last 0)
total: 8000 unlinks in 134 seconds: 59.701492 unlinks/second
 - open/close 706 (time 1786744047.99 total 10.00 last 70.58)
 - open/close 1414 (time 1786744058.00 total 20.01 last 70.72)
 - open/close 2134 (time 1786744068.00 total 30.02 last 72.00)
 - open/close 2766 (time 1786744078.00 total 40.02 last 63.18)
 - open/close 3401 (time 1786744088.01 total 50.02 last 63.48)
 - open/close 3996 (time 1786744098.01 total 60.03 last 59.46)
 - open/close 4427 (time 1786744108.03 total 70.05 last 43.01)
 - open/close 5097 (time 1786744118.06 total 80.07 last 66.83)
 - open/close 5826 (time 1786744128.06 total 90.08 last 72.89)
 - open/close 6519 (time 1786744138.06 total 100.08 last 69.27)
 - open/close 7176 (time 1786744148.07 total 110.08 last 65.67)
 - open/close 7744 (time 1786744158.08 total 120.10 last 56.72)
total: 8000 open/close in 125.54 seconds: 63.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 102 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1786744289 ; total 0 ; last 0)
total: 8000 unlinks in 83 seconds: 96.385544 unlinks/second