== sanity test 124b: lru resize (performance test) ================================================================================= 09:14:02 (1787404442)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 810 (time 1787404456.89 total 10.02 last 80.87)
 - open/close 1589 (time 1787404466.90 total 20.02 last 77.86)
 - open/close 2344 (time 1787404476.90 total 30.02 last 75.47)
 - open/close 3154 (time 1787404486.91 total 40.03 last 80.97)
 - open/close 3935 (time 1787404496.92 total 50.04 last 78.01)
 - open/close 4689 (time 1787404506.93 total 60.05 last 75.32)
 - open/close 5404 (time 1787404516.93 total 70.06 last 71.45)
 - open/close 6207 (time 1787404526.94 total 80.06 last 80.27)
 - open/close 6927 (time 1787404536.95 total 90.07 last 71.94)
 - open/close 7722 (time 1787404546.95 total 100.08 last 79.44)
total: 8000 open/close in 103.32 seconds: 77.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
 - unlinked 0 (time 1787404729 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
 - open/close 819 (time 1787404839.29 total 10.02 last 81.77)
 - open/close 1646 (time 1787404849.30 total 20.02 last 82.65)
 - open/close 2447 (time 1787404859.30 total 30.02 last 80.09)
 - open/close 3264 (time 1787404869.30 total 40.02 last 81.69)
 - open/close 4051 (time 1787404879.31 total 50.03 last 78.63)
 - open/close 4816 (time 1787404889.32 total 60.04 last 76.46)
 - open/close 5630 (time 1787404899.33 total 70.05 last 81.32)
 - open/close 6390 (time 1787404909.34 total 80.06 last 75.93)
 - open/close 7230 (time 1787404919.34 total 90.06 last 83.96)
 - open/close 7979 (time 1787404929.35 total 100.07 last 74.81)
total: 8000 open/close in 100.33 seconds: 79.74 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 55% faster with lru resize enabled
 - unlinked 0 (time 1787405024 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second