== sanity test 124b: lru resize (performance test) ================================================================================= 22:07:02 (1787450822)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 833 (time 1787450836.55 total 10.00 last 83.28)
 - open/close 1645 (time 1787450846.56 total 20.01 last 81.11)
 - open/close 2489 (time 1787450856.56 total 30.02 last 84.34)
 - open/close 3297 (time 1787450866.57 total 40.02 last 80.77)
 - open/close 4121 (time 1787450876.58 total 50.03 last 82.32)
 - open/close 4949 (time 1787450886.58 total 60.04 last 82.79)
 - open/close 5758 (time 1787450896.59 total 70.04 last 80.86)
 - open/close 6501 (time 1787450906.60 total 80.06 last 74.19)
 - open/close 7191 (time 1787450916.61 total 90.06 last 68.93)
 - open/close 7829 (time 1787450926.61 total 100.06 last 63.80)
total: 8000 open/close in 102.24 seconds: 78.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 170 seconds
lru_size = 400
 - unlinked 0 (time 1787451109 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second
 - open/close 835 (time 1787451218.21 total 10.00 last 83.47)
 - open/close 1540 (time 1787451228.21 total 20.01 last 70.49)
 - open/close 2362 (time 1787451238.22 total 30.01 last 82.15)
 - open/close 3185 (time 1787451248.23 total 40.03 last 82.19)
 - open/close 4050 (time 1787451258.23 total 50.03 last 86.48)
 - open/close 4865 (time 1787451268.24 total 60.04 last 81.45)
 - open/close 5729 (time 1787451278.24 total 70.04 last 86.39)
 - open/close 6558 (time 1787451288.25 total 80.05 last 82.78)
 - open/close 7326 (time 1787451298.28 total 90.07 last 76.64)
total: 8000 open/close in 98.24 seconds: 81.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1787451413 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second