== sanity test 124b: lru resize (performance test) ================================================================================= 18:54:14 (1787871254)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 781 (time 1787871268.92 total 10.00 last 78.08)
 - open/close 1621 (time 1787871278.93 total 20.01 last 83.97)
 - open/close 2490 (time 1787871288.93 total 30.01 last 86.86)
 - open/close 3247 (time 1787871298.93 total 40.01 last 75.69)
 - open/close 4068 (time 1787871308.94 total 50.01 last 82.08)
 - open/close 4878 (time 1787871318.94 total 60.01 last 81.00)
 - open/close 5638 (time 1787871328.94 total 70.02 last 75.96)
 - open/close 6476 (time 1787871338.95 total 80.03 last 83.74)
 - open/close 7300 (time 1787871348.95 total 90.03 last 82.36)
total: 8000 open/close in 99.17 seconds: 80.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1787871540 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 773 (time 1787871656.86 total 10.00 last 77.27)
 - open/close 1539 (time 1787871666.86 total 20.01 last 76.58)
 - open/close 2433 (time 1787871676.86 total 30.01 last 89.36)
 - open/close 3349 (time 1787871686.87 total 40.02 last 91.53)
 - open/close 4181 (time 1787871696.87 total 50.02 last 83.18)
 - open/close 4911 (time 1787871706.88 total 60.03 last 72.94)
 - open/close 5659 (time 1787871716.89 total 70.04 last 74.74)
 - open/close 6350 (time 1787871726.89 total 80.04 last 69.10)
 - open/close 7185 (time 1787871736.89 total 90.04 last 83.48)
 - open/close 7935 (time 1787871746.89 total 100.04 last 75.00)
total: 8000 open/close in 100.94 seconds: 79.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8008
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1787871857 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second