== sanity test 124b: lru resize (performance test) ================================================================================= 03:41:36 (1789458096)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 770 (time 1789458110.44 total 10.00 last 77.00)
 - open/close 1544 (time 1789458120.46 total 20.02 last 77.26)
 - open/close 2288 (time 1789458130.47 total 30.02 last 74.38)
 - open/close 3039 (time 1789458140.47 total 40.03 last 75.06)
 - open/close 3813 (time 1789458150.48 total 50.03 last 77.37)
 - open/close 4590 (time 1789458160.48 total 60.03 last 77.68)
 - open/close 5334 (time 1789458170.49 total 70.04 last 74.35)
 - open/close 6067 (time 1789458180.49 total 80.05 last 73.26)
 - open/close 6868 (time 1789458190.49 total 90.05 last 80.07)
 - open/close 7645 (time 1789458200.51 total 100.07 last 77.56)
total: 8000 open/close in 104.77 seconds: 76.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 151 seconds
lru_size = 400
 - unlinked 0 (time 1789458365 ; total 0 ; last 0)
total: 8000 unlinks in 109 seconds: 73.394493 unlinks/second
 - open/close 802 (time 1789458490.38 total 10.01 last 80.15)
 - open/close 1603 (time 1789458500.38 total 20.01 last 80.07)
 - open/close 2349 (time 1789458510.40 total 30.03 last 74.48)
 - open/close 3184 (time 1789458520.40 total 40.03 last 83.49)
 - open/close 3942 (time 1789458530.41 total 50.03 last 75.77)
 - open/close 4751 (time 1789458540.41 total 60.04 last 80.87)
 - open/close 5504 (time 1789458550.41 total 70.04 last 75.29)
 - open/close 6286 (time 1789458560.42 total 80.04 last 78.15)
 - open/close 7095 (time 1789458570.42 total 90.04 last 80.90)
 - open/close 7896 (time 1789458580.43 total 100.05 last 80.04)
total: 8000 open/close in 101.37 seconds: 78.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1789458676 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second