== sanity test 124b: lru resize (performance test) ================================================================================= 18:40:04 (1788475204)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 646 (time 1788475220.26 total 10.02 last 64.49)
 - open/close 1325 (time 1788475230.27 total 20.04 last 67.78)
 - open/close 1944 (time 1788475240.28 total 30.04 last 61.86)
 - open/close 2598 (time 1788475250.29 total 40.06 last 65.31)
 - open/close 3311 (time 1788475260.29 total 50.06 last 71.30)
 - open/close 4027 (time 1788475270.30 total 60.06 last 71.60)
 - open/close 4661 (time 1788475280.31 total 70.07 last 63.32)
 - open/close 5183 (time 1788475290.32 total 80.08 last 52.14)
 - open/close 5787 (time 1788475300.33 total 90.09 last 60.32)
 - open/close 6371 (time 1788475310.34 total 100.10 last 58.34)
 - open/close 6986 (time 1788475320.36 total 110.12 last 61.40)
 - open/close 7592 (time 1788475330.36 total 120.12 last 60.57)
total: 8000 open/close in 126.21 seconds: 63.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 186 seconds
lru_size = 400
 - unlinked 0 (time 1788475533 ; total 0 ; last 0)
total: 8000 unlinks in 125 seconds: 64.000000 unlinks/second
 - open/close 653 (time 1788475675.55 total 10.00 last 65.28)
 - open/close 1302 (time 1788475685.56 total 20.01 last 64.84)
 - open/close 2004 (time 1788475695.56 total 30.02 last 70.16)
 - open/close 2619 (time 1788475705.57 total 40.03 last 61.44)
 - open/close 3270 (time 1788475715.58 total 50.03 last 65.09)
 - open/close 3905 (time 1788475725.59 total 60.04 last 63.41)
 - open/close 4564 (time 1788475735.59 total 70.05 last 65.87)
 - open/close 5158 (time 1788475745.60 total 80.05 last 59.39)
 - open/close 5726 (time 1788475755.60 total 90.05 last 56.77)
 - open/close 6368 (time 1788475765.60 total 100.06 last 64.18)
 - open/close 7064 (time 1788475775.61 total 110.07 last 69.54)
 - open/close 7744 (time 1788475785.62 total 120.07 last 67.98)
total: 8000 open/close in 123.81 seconds: 64.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 8006
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1788475913 ; total 0 ; last 0)
total: 8000 unlinks in 89 seconds: 89.887642 unlinks/second