== sanity test 124b: lru resize (performance test) ================================================================================= 13:38:10 (1787852290)
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 1020 (time 1787852305.28 total 10.01 last 101.91)
 - open/close 1788 (time 1787852315.28 total 20.02 last 76.74)
 - open/close 2654 (time 1787852325.29 total 30.03 last 86.52)
 - open/close 3559 (time 1787852335.30 total 40.04 last 90.41)
 - open/close 4438 (time 1787852345.31 total 50.04 last 87.85)
 - open/close 5078 (time 1787852355.31 total 60.05 last 63.98)
 - open/close 5691 (time 1787852365.32 total 70.05 last 61.29)
 - open/close 6138 (time 1787852375.34 total 80.07 last 44.60)
 - open/close 6743 (time 1787852385.36 total 90.09 last 60.39)
 - open/close 7602 (time 1787852395.38 total 100.11 last 85.73)
total: 8000 open/close in 105.02 seconds: 76.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 168 seconds
lru_size = 400
400
 - unlinked 0 (time 1787852580 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 806 (time 1787852698.03 total 10.00 last 80.60)
 - open/close 1401 (time 1787852708.04 total 20.00 last 59.48)
 - open/close 2060 (time 1787852718.04 total 30.01 last 65.86)
 - open/close 2870 (time 1787852728.06 total 40.03 last 80.85)
 - open/close 3576 (time 1787852738.07 total 50.04 last 70.55)
 - open/close 4503 (time 1787852748.09 total 60.06 last 92.50)
 - open/close 5483 (time 1787852758.10 total 70.07 last 97.93)
 - open/close 6357 (time 1787852768.10 total 80.07 last 87.40)
 - open/close 7185 (time 1787852778.11 total 90.08 last 82.67)
 - open/close 7901 (time 1787852788.13 total 100.10 last 71.48)
total: 8000 open/close in 101.95 seconds: 78.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 4052
3955
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1787852906 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second