== sanity test 124b: lru resize (performance test) ================================================================================= 14:05:53 (1788545153)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 808 (time 1788545167.96 total 10.01 last 80.74)
 - open/close 1554 (time 1788545177.97 total 20.02 last 74.53)
 - open/close 2355 (time 1788545187.97 total 30.02 last 80.09)
 - open/close 3115 (time 1788545197.99 total 40.04 last 75.83)
 - open/close 3976 (time 1788545208.00 total 50.05 last 86.04)
 - open/close 4810 (time 1788545218.01 total 60.05 last 83.34)
 - open/close 5620 (time 1788545228.01 total 70.06 last 81.00)
 - open/close 6391 (time 1788545238.02 total 80.07 last 76.99)
 - open/close 7212 (time 1788545248.04 total 90.09 last 81.97)
total: 8000 open/close in 99.54 seconds: 80.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 153 seconds
lru_size = 400
 - unlinked 0 (time 1788545419 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second
 - open/close 726 (time 1788545503.92 total 10.01 last 72.53)
 - open/close 1548 (time 1788545513.93 total 20.01 last 82.16)
 - open/close 2384 (time 1788545523.94 total 30.03 last 83.47)
 - open/close 3195 (time 1788545533.95 total 40.03 last 81.09)
 - open/close 3972 (time 1788545543.95 total 50.04 last 77.66)
 - open/close 4830 (time 1788545553.95 total 60.04 last 85.80)
 - open/close 5630 (time 1788545563.95 total 70.04 last 79.97)
 - open/close 6414 (time 1788545573.97 total 80.05 last 78.31)
 - open/close 7151 (time 1788545583.97 total 90.06 last 73.65)
 - open/close 7920 (time 1788545593.98 total 100.07 last 76.82)
total: 8000 open/close in 100.93 seconds: 79.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1788545687 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second