== sanity test 124b: lru resize (performance test) ================================================================================= 22:18:08 (1781230688)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 748 (time 1781230702.66 total 10.01 last 74.72)
 - open/close 1490 (time 1781230712.66 total 20.02 last 74.15)
 - open/close 2324 (time 1781230722.66 total 30.02 last 83.39)
 - open/close 3118 (time 1781230732.68 total 40.03 last 79.30)
 - open/close 3921 (time 1781230742.68 total 50.03 last 80.27)
 - open/close 4716 (time 1781230752.69 total 60.05 last 79.40)
 - open/close 5545 (time 1781230762.70 total 70.05 last 82.84)
 - open/close 6319 (time 1781230772.71 total 80.06 last 77.37)
 - open/close 7063 (time 1781230782.71 total 90.06 last 74.40)
 - open/close 7741 (time 1781230792.71 total 100.06 last 67.80)
total: 8000 open/close in 103.80 seconds: 77.07 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 1781230971 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second
 - open/close 771 (time 1781231082.09 total 10.01 last 77.06)
 - open/close 1452 (time 1781231092.10 total 20.01 last 68.08)
 - open/close 2207 (time 1781231102.10 total 30.01 last 75.49)
 - open/close 2989 (time 1781231112.10 total 40.02 last 78.16)
 - open/close 3812 (time 1781231122.11 total 50.02 last 82.28)
 - open/close 4702 (time 1781231132.14 total 60.05 last 88.72)
 - open/close 5450 (time 1781231142.15 total 70.06 last 74.72)
 - open/close 6251 (time 1781231152.15 total 80.06 last 80.09)
 - open/close 7042 (time 1781231162.16 total 90.07 last 79.05)
 - open/close 7797 (time 1781231172.16 total 100.07 last 75.49)
total: 8000 open/close in 102.74 seconds: 77.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1781231288 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second