== sanity test 124b: lru resize (performance test) ================================================================================= 13:20:50 (1790011250)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 742 (time 1790011265.07 total 10.01 last 74.10)
 - open/close 1368 (time 1790011275.08 total 20.02 last 62.55)
 - open/close 2067 (time 1790011285.08 total 30.02 last 69.88)
 - open/close 2804 (time 1790011295.10 total 40.04 last 73.59)
 - open/close 3594 (time 1790011305.11 total 50.05 last 78.93)
 - open/close 4348 (time 1790011315.11 total 60.05 last 75.39)
 - open/close 5096 (time 1790011325.12 total 70.06 last 74.72)
 - open/close 5782 (time 1790011335.13 total 80.07 last 68.53)
 - open/close 6512 (time 1790011345.14 total 90.08 last 72.94)
 - open/close 7291 (time 1790011355.15 total 100.09 last 77.81)
total: 8000 open/close in 109.00 seconds: 73.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 194 seconds
lru_size = 400
 - unlinked 0 (time 1790011567 ; total 0 ; last 0)
total: 8000 unlinks in 109 seconds: 73.394493 unlinks/second
 - open/close 795 (time 1790011692.44 total 10.00 last 79.48)
 - open/close 1570 (time 1790011702.45 total 20.02 last 77.40)
 - open/close 2259 (time 1790011712.47 total 30.03 last 68.81)
 - open/close 2928 (time 1790011722.48 total 40.04 last 66.84)
 - open/close 3608 (time 1790011732.49 total 50.05 last 67.93)
 - open/close 4225 (time 1790011742.51 total 60.07 last 61.57)
 - open/close 4967 (time 1790011752.52 total 70.08 last 74.08)
 - open/close 5460 (time 1790011762.55 total 80.11 last 49.17)
 - open/close 6125 (time 1790011772.56 total 90.13 last 66.40)
 - open/close 6754 (time 1790011782.57 total 100.13 last 62.86)
 - open/close 7405 (time 1790011792.60 total 110.16 last 64.94)
total: 8000 open/close in 118.35 seconds: 67.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 8005
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1790011910 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second