== sanity test 124b: lru resize (performance test) ================================================================================= 23:43:04 (1787802184)
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 844 (time 1787802199.16 total 10.01 last 84.36)
 - open/close 1516 (time 1787802209.17 total 20.02 last 67.09)
 - open/close 2196 (time 1787802219.20 total 30.04 last 67.84)
 - open/close 2823 (time 1787802229.21 total 40.06 last 62.60)
 - open/close 3658 (time 1787802239.22 total 50.07 last 83.45)
 - open/close 4496 (time 1787802249.24 total 60.09 last 83.64)
 - open/close 5300 (time 1787802259.24 total 70.09 last 80.38)
 - open/close 6139 (time 1787802269.27 total 80.12 last 83.66)
 - open/close 6989 (time 1787802279.27 total 90.12 last 84.97)
 - open/close 7807 (time 1787802289.28 total 100.12 last 81.75)
total: 8000 open/close in 102.38 seconds: 78.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 151 seconds
lru_size = 400
400
 - unlinked 0 (time 1787802453 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 798 (time 1787802564.69 total 10.00 last 79.79)
 - open/close 1667 (time 1787802574.69 total 20.00 last 86.88)
 - open/close 2438 (time 1787802584.70 total 30.01 last 77.04)
 - open/close 3290 (time 1787802594.71 total 40.02 last 85.10)
 - open/close 4066 (time 1787802604.72 total 50.04 last 77.49)
 - open/close 4833 (time 1787802614.72 total 60.04 last 76.68)
 - open/close 5499 (time 1787802624.74 total 70.05 last 66.52)
 - open/close 6233 (time 1787802634.74 total 80.05 last 73.39)
 - open/close 6911 (time 1787802644.77 total 90.08 last 67.60)
 - open/close 7629 (time 1787802654.77 total 100.08 last 71.79)
total: 8000 open/close in 105.04 seconds: 76.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 4052
3955
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1787802753 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second