== sanity test 124b: lru resize (performance test) ================================================================================= 21:28:41 (1788398921)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 834 (time 1788398935.44 total 10.00 last 83.37)
 - open/close 1553 (time 1788398945.44 total 20.01 last 71.85)
 - open/close 2395 (time 1788398955.45 total 30.01 last 84.20)
 - open/close 3325 (time 1788398965.45 total 40.01 last 92.97)
 - open/close 4198 (time 1788398975.46 total 50.03 last 87.20)
 - open/close 4963 (time 1788398985.46 total 60.03 last 76.48)
 - open/close 5794 (time 1788398995.47 total 70.04 last 83.00)
 - open/close 6460 (time 1788399005.48 total 80.05 last 66.54)
 - open/close 7325 (time 1788399015.49 total 90.05 last 86.49)
total: 8000 open/close in 97.18 seconds: 82.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 146 seconds
lru_size = 400
 - unlinked 0 (time 1788399178 ; total 0 ; last 0)
total: 8000 unlinks in 89 seconds: 89.887642 unlinks/second
 - open/close 980 (time 1788399281.80 total 10.01 last 97.93)
 - open/close 1918 (time 1788399291.80 total 20.01 last 93.74)
 - open/close 2800 (time 1788399301.80 total 30.02 last 88.18)
 - open/close 3766 (time 1788399311.82 total 40.03 last 96.42)
 - open/close 4666 (time 1788399321.83 total 50.04 last 89.94)
 - open/close 5538 (time 1788399331.83 total 60.05 last 87.16)
 - open/close 6463 (time 1788399341.85 total 70.06 last 92.39)
 - open/close 7283 (time 1788399351.85 total 80.06 last 81.94)
total: 8000 open/close in 88.76 seconds: 90.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 81 seconds
lru_size = 8006
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1788399462 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second