== sanity test 124b: lru resize (performance test) ================================================================================= 18:05:48 (1786658748)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 743 (time 1786658762.81 total 10.01 last 74.24)
 - open/close 1510 (time 1786658772.82 total 20.02 last 76.62)
 - open/close 2301 (time 1786658782.82 total 30.02 last 79.08)
 - open/close 3102 (time 1786658792.83 total 40.03 last 80.02)
 - open/close 3903 (time 1786658802.84 total 50.04 last 80.02)
 - open/close 4811 (time 1786658812.84 total 60.04 last 90.80)
 - open/close 5522 (time 1786658822.86 total 70.05 last 71.01)
 - open/close 6238 (time 1786658832.86 total 80.06 last 71.57)
 - open/close 7049 (time 1786658842.86 total 90.06 last 81.10)
 - open/close 7708 (time 1786658852.88 total 100.07 last 65.80)
total: 8000 open/close in 103.28 seconds: 77.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 196 seconds
lru_size = 400
 - unlinked 0 (time 1786659063 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 582 (time 1786659188.15 total 10.01 last 58.17)
 - open/close 1364 (time 1786659198.16 total 20.01 last 78.13)
 - open/close 2115 (time 1786659208.16 total 30.02 last 75.08)
 - open/close 2943 (time 1786659218.16 total 40.02 last 82.79)
 - open/close 3743 (time 1786659228.16 total 50.02 last 79.99)
 - open/close 4545 (time 1786659238.16 total 60.02 last 80.18)
 - open/close 5385 (time 1786659248.16 total 70.02 last 83.98)
 - open/close 6066 (time 1786659258.18 total 80.04 last 67.96)
 - open/close 6779 (time 1786659268.18 total 90.04 last 71.29)
 - open/close 7429 (time 1786659278.19 total 100.05 last 64.94)
total: 8000 open/close in 108.80 seconds: 73.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 118 seconds
lru_size = 8005
ls -la is 39% faster with lru resize enabled
 - unlinked 0 (time 1786659430 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second