== sanity test 124b: lru resize (performance test) ================================================================================= 09:57:25 (1787147845)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 728 (time 1787147860.05 total 10.01 last 72.71)
 - open/close 1433 (time 1787147870.05 total 20.02 last 70.45)
 - open/close 2200 (time 1787147880.05 total 30.02 last 76.70)
 - open/close 2881 (time 1787147890.06 total 40.03 last 68.03)
 - open/close 3588 (time 1787147900.07 total 50.03 last 70.68)
 - open/close 4395 (time 1787147910.08 total 60.05 last 80.60)
 - open/close 5148 (time 1787147920.09 total 70.06 last 75.19)
 - open/close 5910 (time 1787147930.10 total 80.07 last 76.13)
 - open/close 6689 (time 1787147940.11 total 90.08 last 77.81)
 - open/close 7404 (time 1787147950.12 total 100.09 last 71.45)
total: 8000 open/close in 108.39 seconds: 73.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 199 seconds
lru_size = 400
 - unlinked 0 (time 1787148168 ; total 0 ; last 0)
total: 8000 unlinks in 121 seconds: 66.115700 unlinks/second
 - open/close 776 (time 1787148304.70 total 10.01 last 77.54)
 - open/close 1558 (time 1787148314.70 total 20.01 last 78.17)
 - open/close 2302 (time 1787148324.71 total 30.02 last 74.37)
 - open/close 2993 (time 1787148334.71 total 40.02 last 69.09)
 - open/close 3767 (time 1787148344.72 total 50.03 last 77.33)
 - open/close 4562 (time 1787148354.73 total 60.04 last 79.40)
 - open/close 5290 (time 1787148364.74 total 70.05 last 72.71)
 - open/close 6049 (time 1787148374.75 total 80.06 last 75.84)
 - open/close 6793 (time 1787148384.77 total 90.08 last 74.26)
 - open/close 7511 (time 1787148394.77 total 100.08 last 71.79)
total: 8000 open/close in 106.72 seconds: 74.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1787148527 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second