== sanity test 124b: lru resize (performance test) ================================================================================= 16:49:07 (1788209347)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 869 (time 1788209360.97 total 10.00 last 86.89)
 - open/close 1535 (time 1788209370.98 total 20.01 last 66.56)
 - open/close 2311 (time 1788209381.00 total 30.03 last 77.44)
 - open/close 3151 (time 1788209391.00 total 40.04 last 83.94)
 - open/close 3932 (time 1788209401.01 total 50.04 last 78.08)
 - open/close 4710 (time 1788209411.01 total 60.05 last 77.73)
 - open/close 5535 (time 1788209421.03 total 70.06 last 82.38)
 - open/close 6309 (time 1788209431.03 total 80.07 last 77.36)
 - open/close 7126 (time 1788209441.05 total 90.08 last 81.59)
 - open/close 7961 (time 1788209451.05 total 100.09 last 83.45)
total: 8000 open/close in 100.47 seconds: 79.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1788209614 ; total 0 ; last 0)
total: 8000 unlinks in 93 seconds: 86.021507 unlinks/second
 - open/close 824 (time 1788209722.16 total 10.01 last 82.33)
 - open/close 1629 (time 1788209732.16 total 20.01 last 80.48)
 - open/close 2517 (time 1788209742.16 total 30.01 last 88.79)
 - open/close 3319 (time 1788209752.17 total 40.02 last 80.15)
 - open/close 4094 (time 1788209762.17 total 50.02 last 77.47)
 - open/close 4822 (time 1788209772.17 total 60.03 last 72.79)
 - open/close 5611 (time 1788209782.18 total 70.03 last 78.87)
 - open/close 6471 (time 1788209792.18 total 80.03 last 85.99)
 - open/close 7292 (time 1788209802.18 total 90.03 last 82.06)
total: 8000 open/close in 98.30 seconds: 81.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1788209907 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second