== sanity test 124b: lru resize (performance test) ================================================================================= 09:01:17 (1787835677)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 942 (time 1787835691.68 total 10.01 last 94.12)
 - open/close 1662 (time 1787835701.68 total 20.01 last 71.97)
 - open/close 2297 (time 1787835711.68 total 30.01 last 63.50)
 - open/close 3142 (time 1787835721.70 total 40.03 last 84.37)
 - open/close 4067 (time 1787835731.71 total 50.04 last 92.43)
 - open/close 4928 (time 1787835741.71 total 60.04 last 86.10)
 - open/close 5820 (time 1787835751.73 total 70.06 last 89.02)
 - open/close 6750 (time 1787835761.73 total 80.06 last 92.96)
 - open/close 7602 (time 1787835771.74 total 90.08 last 85.09)
total: 8000 open/close in 95.03 seconds: 84.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1787835971 ; total 0 ; last 0)
total: 8000 unlinks in 120 seconds: 66.666664 unlinks/second
 - open/close 800 (time 1787836106.60 total 10.01 last 79.89)
 - open/close 1581 (time 1787836116.60 total 20.02 last 78.06)
 - open/close 2463 (time 1787836126.60 total 30.02 last 88.19)
 - open/close 3280 (time 1787836136.60 total 40.02 last 81.68)
 - open/close 4132 (time 1787836146.61 total 50.03 last 85.16)
 - open/close 4823 (time 1787836156.62 total 60.04 last 68.99)
 - open/close 5495 (time 1787836166.63 total 70.05 last 67.17)
 - open/close 6158 (time 1787836176.65 total 80.07 last 66.17)
 - open/close 6941 (time 1787836186.66 total 90.08 last 78.24)
 - open/close 7663 (time 1787836196.67 total 100.09 last 72.12)
total: 8000 open/close in 105.21 seconds: 76.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 8005
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1787836310 ; total 0 ; last 0)
total: 8000 unlinks in 60 seconds: 133.333328 unlinks/second