== sanity test 124b: lru resize (performance test) ================================================================================= 04:51:26 (1788598286)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 688 (time 1788598300.72 total 10.02 last 68.66)
 - open/close 1452 (time 1788598310.72 total 20.03 last 76.34)
 - open/close 2242 (time 1788598320.73 total 30.03 last 78.98)
 - open/close 2938 (time 1788598330.73 total 40.04 last 69.55)
 - open/close 3853 (time 1788598340.75 total 50.05 last 91.40)
 - open/close 4650 (time 1788598350.75 total 60.05 last 79.69)
 - open/close 5412 (time 1788598360.76 total 70.06 last 76.10)
 - open/close 6197 (time 1788598370.77 total 80.07 last 78.46)
 - open/close 6879 (time 1788598380.77 total 90.08 last 68.16)
 - open/close 7609 (time 1788598390.78 total 100.09 last 72.92)
total: 8000 open/close in 105.44 seconds: 75.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 174 seconds
lru_size = 400
 - unlinked 0 (time 1788598579 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
 - open/close 769 (time 1788598694.15 total 10.00 last 76.90)
 - open/close 1651 (time 1788598704.15 total 20.00 last 88.19)
 - open/close 2456 (time 1788598714.16 total 30.01 last 80.46)
 - open/close 3288 (time 1788598724.16 total 40.01 last 83.17)
 - open/close 4096 (time 1788598734.17 total 50.02 last 80.74)
 - open/close 4910 (time 1788598744.18 total 60.02 last 81.35)
 - open/close 5682 (time 1788598754.18 total 70.02 last 77.20)
 - open/close 6465 (time 1788598764.18 total 80.03 last 78.25)
 - open/close 7178 (time 1788598774.18 total 90.03 last 71.30)
 - open/close 7968 (time 1788598784.19 total 100.04 last 78.94)
total: 8000 open/close in 100.36 seconds: 79.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 8005
ls -la is 56% faster with lru resize enabled
 - unlinked 0 (time 1788598882 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second