== sanity test 124b: lru resize (performance test) ================================================================================= 19:21:24 (1779319284)
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 698 (time 1779319298.77 total 10.01 last 69.74)
 - open/close 1366 (time 1779319308.77 total 20.01 last 66.77)
 - open/close 2070 (time 1779319318.78 total 30.02 last 70.35)
 - open/close 2729 (time 1779319328.79 total 40.03 last 65.84)
 - open/close 3402 (time 1779319338.79 total 50.04 last 67.26)
 - open/close 4102 (time 1779319348.80 total 60.05 last 69.94)
 - open/close 4797 (time 1779319358.81 total 70.06 last 69.42)
 - open/close 5481 (time 1779319368.83 total 80.07 last 68.31)
 - open/close 6207 (time 1779319378.83 total 90.08 last 72.54)
 - open/close 6884 (time 1779319388.84 total 100.08 last 67.66)
 - open/close 7568 (time 1779319398.84 total 110.09 last 68.39)
total: 8000 open/close in 116.83 seconds: 68.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 143 seconds
lru_size = 400
400
 - unlinked 0 (time 1779319557 ; total 0 ; last 0)
total: 8000 unlinks in 116 seconds: 68.965515 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 728 (time 1779319687.84 total 10.00 last 72.78)
 - open/close 1408 (time 1779319697.85 total 20.01 last 67.93)
 - open/close 2164 (time 1779319707.85 total 30.02 last 75.56)
 - open/close 2907 (time 1779319717.87 total 40.04 last 74.14)
 - open/close 3663 (time 1779319727.88 total 50.05 last 75.55)
 - open/close 4378 (time 1779319737.89 total 60.05 last 71.46)
 - open/close 5121 (time 1779319747.89 total 70.06 last 74.25)
 - open/close 5911 (time 1779319757.89 total 80.06 last 78.98)
 - open/close 6725 (time 1779319767.90 total 90.06 last 81.37)
 - open/close 7598 (time 1779319777.90 total 100.07 last 87.27)
total: 8000 open/close in 104.52 seconds: 76.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 59 seconds
lru_size = 4006
4001
ls -la is 58% faster with lru resize enabled
 - unlinked 0 (time 1779319855 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second