== sanity test 124b: lru resize (performance test) ================================================================================= 20:07:22 (1787875642)
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 746 (time 1787875656.86 total 10.01 last 74.55)
 - open/close 1507 (time 1787875666.86 total 20.01 last 76.09)
 - open/close 2646 (time 1787875676.86 total 30.01 last 113.89)
 - open/close 3725 (time 1787875686.86 total 40.01 last 107.88)
 - open/close 4685 (time 1787875696.87 total 50.02 last 95.93)
 - open/close 5650 (time 1787875706.88 total 60.03 last 96.40)
 - open/close 6723 (time 1787875716.89 total 70.04 last 107.24)
 - open/close 7758 (time 1787875726.89 total 80.04 last 103.47)
total: 8000 open/close in 82.61 seconds: 96.84 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 135 seconds
lru_size = 400
400
 - unlinked 0 (time 1787875875 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 735 (time 1787875991.58 total 10.00 last 73.50)
 - open/close 1691 (time 1787876001.59 total 20.00 last 95.58)
 - open/close 2544 (time 1787876011.60 total 30.02 last 85.18)
 - open/close 3171 (time 1787876021.65 total 40.06 last 62.40)
 - open/close 3633 (time 1787876031.67 total 50.08 last 46.10)
 - open/close 4307 (time 1787876041.67 total 60.09 last 67.39)
 - open/close 4827 (time 1787876051.70 total 70.11 last 51.86)
 - open/close 5828 (time 1787876061.70 total 80.12 last 100.02)
 - open/close 6715 (time 1787876071.71 total 90.12 last 88.69)
 - open/close 7463 (time 1787876081.71 total 100.13 last 74.73)
total: 8000 open/close in 106.65 seconds: 75.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 4006
4001
ls -la is 31% faster with lru resize enabled
 - unlinked 0 (time 1787876201 ; total 0 ; last 0)
total: 8000 unlinks in 53 seconds: 150.943390 unlinks/second