== sanity test 124b: lru resize (performance test) ================================================================================= 17:57:53 (1787349473)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 795 (time 1787349487.98 total 10.01 last 79.45)
 - open/close 1433 (time 1787349497.99 total 20.01 last 63.75)
 - open/close 2091 (time 1787349507.99 total 30.02 last 65.74)
 - open/close 2899 (time 1787349518.01 total 40.04 last 80.69)
 - open/close 3650 (time 1787349528.01 total 50.04 last 75.06)
 - open/close 4425 (time 1787349538.04 total 60.07 last 77.33)
 - open/close 5161 (time 1787349548.06 total 70.09 last 73.39)
 - open/close 5855 (time 1787349558.07 total 80.10 last 69.35)
 - open/close 6573 (time 1787349568.08 total 90.11 last 71.74)
 - open/close 7317 (time 1787349578.09 total 100.12 last 74.30)
total: 8000 open/close in 108.26 seconds: 73.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 158 seconds
lru_size = 400
 - unlinked 0 (time 1787349754 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 689 (time 1787349883.88 total 10.01 last 68.86)
 - open/close 1384 (time 1787349893.89 total 20.01 last 69.47)
 - open/close 2180 (time 1787349903.89 total 30.01 last 79.59)
 - open/close 2961 (time 1787349913.89 total 40.01 last 78.08)
 - open/close 3733 (time 1787349923.89 total 50.02 last 77.18)
 - open/close 4329 (time 1787349933.90 total 60.02 last 59.58)
 - open/close 5067 (time 1787349943.90 total 70.03 last 73.75)
 - open/close 5782 (time 1787349953.91 total 80.04 last 71.43)
 - open/close 6472 (time 1787349963.92 total 90.05 last 68.93)
 - open/close 7185 (time 1787349973.93 total 100.06 last 71.22)
 - open/close 7984 (time 1787349983.94 total 110.06 last 79.89)
total: 8000 open/close in 110.25 seconds: 72.56 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 44% faster with lru resize enabled
 - unlinked 0 (time 1787350093 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second