== sanity test 124b: lru resize (performance test) ================================================================================= 06:08:02 (1787134082)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 669 (time 1787134097.85 total 10.01 last 66.86)
 - open/close 1418 (time 1787134107.85 total 20.01 last 74.89)
 - open/close 2220 (time 1787134117.86 total 30.01 last 80.14)
 - open/close 3110 (time 1787134127.86 total 40.02 last 88.95)
 - open/close 3955 (time 1787134137.88 total 50.03 last 84.37)
 - open/close 4835 (time 1787134147.88 total 60.04 last 87.94)
 - open/close 5651 (time 1787134157.88 total 70.04 last 81.59)
 - open/close 6455 (time 1787134167.89 total 80.05 last 80.37)
 - open/close 7101 (time 1787134177.90 total 90.06 last 64.54)
 - open/close 7904 (time 1787134187.90 total 100.06 last 80.30)
total: 8000 open/close in 101.43 seconds: 78.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 104 seconds
lru_size = 400
400
 - unlinked 0 (time 1787134304 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 873 (time 1787134418.61 total 10.01 last 87.25)
 - open/close 1649 (time 1787134428.62 total 20.02 last 77.51)
 - open/close 2531 (time 1787134438.63 total 30.03 last 88.09)
 - open/close 3323 (time 1787134448.64 total 40.03 last 79.18)
 - open/close 4064 (time 1787134458.64 total 50.04 last 74.04)
 - open/close 4748 (time 1787134468.65 total 60.04 last 68.39)
 - open/close 5551 (time 1787134478.65 total 70.05 last 80.27)
 - open/close 6369 (time 1787134488.65 total 80.05 last 81.77)
 - open/close 7062 (time 1787134498.66 total 90.05 last 69.28)
 - open/close 7730 (time 1787134508.66 total 100.06 last 66.75)
total: 8000 open/close in 104.56 seconds: 76.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 4006
4001
ls -la is 0% faster with lru resize enabled
 - unlinked 0 (time 1787134641 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second