== sanity test 124b: lru resize (performance test) ================================================================================= 18:50:45 (1787871045)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 724 (time 1787871060.34 total 10.01 last 72.36)
 - open/close 1508 (time 1787871070.36 total 20.02 last 78.27)
 - open/close 2057 (time 1787871080.37 total 30.03 last 54.86)
 - open/close 2898 (time 1787871090.39 total 40.06 last 83.88)
 - open/close 3777 (time 1787871100.40 total 50.06 last 87.83)
 - open/close 4676 (time 1787871110.40 total 60.07 last 89.88)
 - open/close 5450 (time 1787871120.41 total 70.07 last 77.38)
 - open/close 6276 (time 1787871130.41 total 80.08 last 82.55)
 - open/close 7106 (time 1787871140.42 total 90.08 last 82.96)
 - open/close 7861 (time 1787871150.42 total 100.08 last 75.48)
total: 8000 open/close in 101.62 seconds: 78.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 176 seconds
lru_size = 400
 - unlinked 0 (time 1787871341 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
 - open/close 810 (time 1787871456.44 total 10.00 last 80.99)
 - open/close 1676 (time 1787871466.46 total 20.02 last 86.48)
 - open/close 2479 (time 1787871476.46 total 30.02 last 80.28)
 - open/close 3316 (time 1787871486.46 total 40.02 last 83.66)
 - open/close 4163 (time 1787871496.48 total 50.04 last 84.58)
 - open/close 4954 (time 1787871506.48 total 60.04 last 79.05)
 - open/close 5760 (time 1787871516.48 total 70.05 last 80.58)
 - open/close 6544 (time 1787871526.49 total 80.05 last 78.38)
 - open/close 7390 (time 1787871536.50 total 90.06 last 84.52)
total: 8000 open/close in 96.85 seconds: 82.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 8006
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1787871652 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second