== sanity test 124b: lru resize (performance test) ================================================================================= 23:59:47 (1782619187)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 765 (time 1782619202.19 total 10.00 last 76.48)
 - open/close 1516 (time 1782619212.19 total 20.01 last 75.08)
 - open/close 2269 (time 1782619222.21 total 30.02 last 75.16)
 - open/close 2931 (time 1782619232.22 total 40.03 last 66.14)
 - open/close 3640 (time 1782619242.24 total 50.06 last 70.72)
 - open/close 4373 (time 1782619252.25 total 60.06 last 73.27)
 - open/close 5080 (time 1782619262.26 total 70.07 last 70.64)
 - open/close 5822 (time 1782619272.26 total 80.08 last 74.15)
 - open/close 6538 (time 1782619282.27 total 90.08 last 71.58)
 - open/close 7297 (time 1782619292.28 total 100.09 last 75.80)
total: 8000 open/close in 109.55 seconds: 73.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 164 seconds
lru_size = 400
400
 - unlinked 0 (time 1782619476 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 765 (time 1782619593.84 total 10.01 last 76.44)
 - open/close 1645 (time 1782619603.85 total 20.02 last 87.89)
 - open/close 2385 (time 1782619613.86 total 30.03 last 73.94)
 - open/close 3197 (time 1782619623.88 total 40.05 last 81.02)
 - open/close 3998 (time 1782619633.89 total 50.06 last 80.05)
 - open/close 4741 (time 1782619643.91 total 60.07 last 74.18)
 - open/close 5375 (time 1782619653.91 total 70.08 last 63.35)
 - open/close 6055 (time 1782619663.92 total 80.08 last 67.98)
 - open/close 6864 (time 1782619673.92 total 90.09 last 80.88)
 - open/close 7576 (time 1782619683.93 total 100.09 last 71.16)
total: 8000 open/close in 104.61 seconds: 76.48 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 4006
4001
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1782619802 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second