== sanity test 124b: lru resize (performance test) ================================================================================= 08:00:36 (1779105636)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 690 (time 1779105652.50 total 10.01 last 68.95)
 - open/close 1459 (time 1779105662.50 total 20.01 last 76.87)
 - open/close 2265 (time 1779105672.50 total 30.01 last 80.58)
 - open/close 3065 (time 1779105682.51 total 40.02 last 79.93)
 - open/close 4033 (time 1779105692.51 total 50.02 last 96.80)
 - open/close 4882 (time 1779105702.51 total 60.02 last 84.89)
 - open/close 5775 (time 1779105712.53 total 70.04 last 89.16)
 - open/close 6631 (time 1779105722.53 total 80.04 last 85.55)
 - open/close 7502 (time 1779105732.54 total 90.05 last 87.05)
total: 8000 open/close in 96.64 seconds: 82.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 164 seconds
lru_size = 400
400
 - unlinked 0 (time 1779105915 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 723 (time 1779106039.28 total 10.01 last 72.25)
 - open/close 1426 (time 1779106049.30 total 20.03 last 70.13)
 - open/close 1985 (time 1779106059.31 total 30.04 last 55.83)
 - open/close 2545 (time 1779106069.32 total 40.05 last 55.99)
 - open/close 3363 (time 1779106079.32 total 50.05 last 81.76)
 - open/close 4220 (time 1779106089.32 total 60.05 last 85.68)
 - open/close 5105 (time 1779106099.33 total 70.06 last 88.47)
 - open/close 5974 (time 1779106109.34 total 80.07 last 86.78)
 - open/close 6777 (time 1779106119.35 total 90.08 last 80.21)
 - open/close 7424 (time 1779106129.35 total 100.09 last 64.68)
total: 8000 open/close in 108.20 seconds: 73.93 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 43% faster with lru resize enabled
 - unlinked 0 (time 1779106254 ; total 1 ; last 1)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second