== sanity test 124b: lru resize (performance test) ================================================================================= 11:11:06 (1787843466)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 804 (time 1787843480.41 total 10.02 last 80.21)
 - open/close 1633 (time 1787843490.41 total 20.03 last 82.87)
 - open/close 2421 (time 1787843500.41 total 30.03 last 78.77)
 - open/close 3260 (time 1787843510.41 total 40.03 last 83.89)
 - open/close 4084 (time 1787843520.42 total 50.03 last 82.39)
 - open/close 4985 (time 1787843530.42 total 60.04 last 90.06)
 - open/close 5816 (time 1787843540.42 total 70.04 last 83.08)
 - open/close 6671 (time 1787843550.43 total 80.05 last 85.46)
 - open/close 7478 (time 1787843560.43 total 90.05 last 80.64)
total: 8000 open/close in 96.45 seconds: 82.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 142 seconds
lru_size = 400
 - unlinked 0 (time 1787843716 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
 - open/close 734 (time 1787843826.43 total 10.00 last 73.38)
 - open/close 1513 (time 1787843836.44 total 20.01 last 77.86)
 - open/close 2304 (time 1787843846.46 total 30.03 last 78.92)
 - open/close 3031 (time 1787843856.49 total 40.07 last 72.45)
 - open/close 3871 (time 1787843866.50 total 50.07 last 83.97)
 - open/close 4712 (time 1787843876.51 total 60.08 last 84.04)
 - open/close 5499 (time 1787843886.51 total 70.08 last 78.68)
 - open/close 6329 (time 1787843896.51 total 80.08 last 82.99)
 - open/close 7129 (time 1787843906.52 total 90.09 last 79.94)
 - open/close 7935 (time 1787843916.52 total 100.09 last 80.60)
total: 8000 open/close in 100.82 seconds: 79.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1787844013 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second