== sanity test 124b: lru resize (performance test) ================================================================================= 23:41:10 (1781235670)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1710 (time 1781235682.48 total 10.01 last 170.91)
 - open/close 2892 (time 1781235692.49 total 20.01 last 118.09)
 - open/close 4033 (time 1781235702.51 total 30.03 last 113.89)
 - open/close 5858 (time 1781235712.52 total 40.04 last 182.29)
 - open/close 7753 (time 1781235722.52 total 50.05 last 189.47)
total: 8000 open/close in 51.22 seconds: 156.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 400
 - unlinked 0 (time 1781235818 ; total 0 ; last 0)
total: 8000 unlinks in 41 seconds: 195.121948 unlinks/second
 - open/close 1418 (time 1781235871.75 total 10.01 last 141.61)
 - open/close 2648 (time 1781235881.75 total 20.02 last 122.94)
 - open/close 3981 (time 1781235891.76 total 30.02 last 133.24)
 - open/close 5463 (time 1781235901.76 total 40.03 last 148.16)
 - open/close 7121 (time 1781235911.76 total 50.03 last 165.76)
total: 8000 open/close in 54.43 seconds: 146.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1781235970 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second