== sanity test 124b: lru resize (performance test) ================================================================================= 03:18:06 (1781248686)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 710 (time 1781248701.99 total 10.01 last 70.92)
 - open/close 1430 (time 1781248711.99 total 20.01 last 71.99)
 - open/close 2100 (time 1781248722.00 total 30.01 last 66.98)
 - open/close 2797 (time 1781248732.00 total 40.02 last 69.67)
 - open/close 3462 (time 1781248742.01 total 50.03 last 66.44)
 - open/close 4149 (time 1781248752.01 total 60.03 last 68.68)
 - open/close 4820 (time 1781248762.03 total 70.04 last 67.01)
 - open/close 5472 (time 1781248772.03 total 80.04 last 65.20)
 - open/close 6138 (time 1781248782.04 total 90.05 last 66.53)
 - open/close 6892 (time 1781248792.05 total 100.06 last 75.32)
 - open/close 7672 (time 1781248802.07 total 110.09 last 77.80)
total: 8000 open/close in 114.63 seconds: 69.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1781248969 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
 - open/close 886 (time 1781249084.23 total 10.00 last 88.58)
 - open/close 1755 (time 1781249094.24 total 20.01 last 86.86)
 - open/close 2595 (time 1781249104.25 total 30.02 last 83.88)
 - open/close 3410 (time 1781249114.26 total 40.03 last 81.47)
 - open/close 4237 (time 1781249124.26 total 50.03 last 82.64)
 - open/close 5081 (time 1781249134.27 total 60.04 last 84.37)
 - open/close 5940 (time 1781249144.27 total 70.04 last 85.88)
 - open/close 6783 (time 1781249154.27 total 80.04 last 84.27)
 - open/close 7627 (time 1781249164.28 total 90.05 last 84.35)
total: 8000 open/close in 94.05 seconds: 85.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 8005
ls -la is 58% faster with lru resize enabled
 - unlinked 0 (time 1781249258 ; total 0 ; last 0)
total: 8000 unlinks in 84 seconds: 95.238098 unlinks/second