== sanity test 124b: lru resize (performance test) ================================================================================= 12:30:43 (1788539443)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 785 (time 1788539457.35 total 10.00 last 78.48)
 - open/close 1597 (time 1788539467.35 total 20.01 last 81.13)
 - open/close 2405 (time 1788539477.36 total 30.01 last 80.79)
 - open/close 3192 (time 1788539487.36 total 40.01 last 78.69)
 - open/close 3990 (time 1788539497.37 total 50.03 last 79.69)
 - open/close 4772 (time 1788539507.37 total 60.03 last 78.19)
 - open/close 5528 (time 1788539517.37 total 70.03 last 75.58)
 - open/close 6262 (time 1788539527.38 total 80.04 last 73.35)
 - open/close 6972 (time 1788539537.39 total 90.04 last 70.95)
 - open/close 7766 (time 1788539547.39 total 100.04 last 79.40)
total: 8000 open/close in 103.10 seconds: 77.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 150 seconds
lru_size = 400
 - unlinked 0 (time 1788539711 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
 - open/close 856 (time 1788539830.32 total 10.01 last 85.47)
 - open/close 1634 (time 1788539840.33 total 20.03 last 77.69)
 - open/close 2484 (time 1788539850.34 total 30.03 last 84.96)
 - open/close 3230 (time 1788539860.34 total 40.04 last 74.58)
 - open/close 4029 (time 1788539870.34 total 50.04 last 79.85)
 - open/close 4850 (time 1788539880.34 total 60.04 last 82.10)
 - open/close 5675 (time 1788539890.36 total 70.05 last 82.40)
 - open/close 6502 (time 1788539900.37 total 80.07 last 82.57)
 - open/close 7323 (time 1788539910.39 total 90.08 last 81.98)
total: 8000 open/close in 98.51 seconds: 81.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1788540011 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second