== sanity test 124b: lru resize (performance test) ================================================================================= 15:50:55 (1788292255)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 730 (time 1788292269.75 total 10.00 last 72.98)
 - open/close 1462 (time 1788292279.76 total 20.01 last 73.13)
 - open/close 2216 (time 1788292289.76 total 30.01 last 75.38)
 - open/close 3061 (time 1788292299.76 total 40.02 last 84.49)
 - open/close 3800 (time 1788292309.77 total 50.03 last 73.81)
 - open/close 4642 (time 1788292319.78 total 60.03 last 84.15)
 - open/close 5429 (time 1788292329.80 total 70.06 last 78.51)
 - open/close 6201 (time 1788292339.81 total 80.07 last 77.12)
 - open/close 6920 (time 1788292349.83 total 90.08 last 71.82)
 - open/close 7725 (time 1788292359.83 total 100.09 last 80.45)
total: 8000 open/close in 104.34 seconds: 76.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 166 seconds
lru_size = 400
 - unlinked 0 (time 1788292541 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
 - open/close 768 (time 1788292669.36 total 10.01 last 76.73)
 - open/close 1492 (time 1788292679.36 total 20.01 last 72.37)
 - open/close 2194 (time 1788292689.36 total 30.01 last 70.19)
 - open/close 2801 (time 1788292699.39 total 40.04 last 60.56)
 - open/close 3234 (time 1788292709.41 total 50.06 last 43.21)
 - open/close 3930 (time 1788292719.42 total 60.07 last 69.52)
 - open/close 4671 (time 1788292729.42 total 70.07 last 74.07)
 - open/close 5456 (time 1788292739.43 total 80.08 last 78.46)
 - open/close 6312 (time 1788292749.43 total 90.08 last 85.57)
 - open/close 7109 (time 1788292759.43 total 100.08 last 79.70)
 - open/close 7951 (time 1788292769.43 total 110.08 last 84.19)
total: 8000 open/close in 110.62 seconds: 72.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1788292870 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second