== sanity test 124b: lru resize (performance test) ================================================================================= 03:12:45 (1788851565)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 611 (time 1788851580.84 total 10.01 last 61.05)
 - open/close 1300 (time 1788851590.84 total 20.01 last 68.89)
 - open/close 2056 (time 1788851600.85 total 30.02 last 75.55)
 - open/close 2815 (time 1788851610.86 total 40.03 last 75.80)
 - open/close 3520 (time 1788851620.87 total 50.04 last 70.43)
 - open/close 4172 (time 1788851630.89 total 60.06 last 65.09)
 - open/close 4788 (time 1788851640.90 total 70.06 last 61.57)
 - open/close 5399 (time 1788851650.90 total 80.07 last 61.07)
 - open/close 5885 (time 1788851660.91 total 90.08 last 48.54)
 - open/close 6354 (time 1788851670.93 total 100.09 last 46.83)
 - open/close 6898 (time 1788851680.93 total 110.10 last 54.38)
 - open/close 7466 (time 1788851690.94 total 120.11 last 56.74)
 - open/close 7937 (time 1788851700.95 total 130.12 last 47.06)
total: 8000 open/close in 131.00 seconds: 61.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 171 seconds
lru_size = 400
 - unlinked 0 (time 1788851885 ; total 0 ; last 0)
total: 8000 unlinks in 118 seconds: 67.796608 unlinks/second
 - open/close 912 (time 1788852018.45 total 10.01 last 91.12)
 - open/close 1451 (time 1788852028.46 total 20.02 last 53.85)
 - open/close 1943 (time 1788852038.47 total 30.04 last 49.11)
 - open/close 2544 (time 1788852048.48 total 40.04 last 60.07)
 - open/close 3087 (time 1788852058.48 total 50.04 last 54.29)
 - open/close 3426 (time 1788852068.49 total 60.05 last 33.87)
 - open/close 3838 (time 1788852078.49 total 70.06 last 41.18)
 - open/close 4324 (time 1788852088.51 total 80.08 last 48.50)
 - open/close 4839 (time 1788852098.54 total 90.10 last 51.37)
 - open/close 5430 (time 1788852108.54 total 100.11 last 59.07)
 - open/close 5985 (time 1788852118.55 total 110.11 last 55.48)
 - open/close 6557 (time 1788852128.56 total 120.12 last 57.12)
 - open/close 7331 (time 1788852138.56 total 130.13 last 77.38)
 - open/close 7935 (time 1788852148.57 total 140.13 last 60.36)
total: 8000 open/close in 141.05 seconds: 56.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 104 seconds
lru_size = 8006
ls -la is 39% faster with lru resize enabled
 - unlinked 0 (time 1788852278 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second