== sanity test 124b: lru resize (performance test) ================================================================================= 16:32:19 (1785789139)
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 504 (time 1785789157.08 total 10.00 last 50.40)
 - open/close 1012 (time 1785789167.09 total 20.00 last 50.79)
 - open/close 1478 (time 1785789177.09 total 30.00 last 46.59)
 - open/close 1896 (time 1785789187.11 total 40.02 last 41.72)
 - open/close 2442 (time 1785789197.11 total 50.03 last 54.59)
 - open/close 3036 (time 1785789207.11 total 60.03 last 59.38)
 - open/close 3466 (time 1785789217.15 total 70.06 last 42.86)
 - open/close 3998 (time 1785789227.18 total 80.10 last 53.00)
 - open/close 4612 (time 1785789237.20 total 90.12 last 61.29)
 - open/close 5133 (time 1785789247.21 total 100.12 last 52.08)
 - open/close 5925 (time 1785789257.22 total 110.14 last 79.07)
 - open/close 6457 (time 1785789267.23 total 120.14 last 53.17)
 - open/close 7045 (time 1785789277.23 total 130.15 last 58.79)
 - open/close 7763 (time 1785789287.23 total 140.15 last 71.79)
total: 8000 open/close in 143.42 seconds: 55.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
400
 - unlinked 0 (time 1785789486 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 751 (time 1785789615.48 total 10.01 last 75.05)
 - open/close 1408 (time 1785789625.49 total 20.01 last 65.66)
 - open/close 1914 (time 1785789635.50 total 30.03 last 50.53)
 - open/close 2467 (time 1785789645.50 total 40.03 last 55.28)
 - open/close 2932 (time 1785789655.51 total 50.04 last 46.46)
 - open/close 3612 (time 1785789665.51 total 60.04 last 67.99)
 - open/close 4553 (time 1785789675.52 total 70.04 last 94.05)
 - open/close 5564 (time 1785789685.52 total 80.05 last 101.05)
 - open/close 6308 (time 1785789695.53 total 90.06 last 74.36)
 - open/close 6978 (time 1785789705.53 total 100.06 last 66.99)
 - open/close 7703 (time 1785789715.54 total 110.07 last 72.43)
total: 8000 open/close in 115.26 seconds: 69.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 107 seconds
lru_size = 4006
4001
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1785789853 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second