== sanity test 124b: lru resize (performance test) ================================================================================= 10:01:19 (1787752879)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 629 (time 1787752895.36 total 10.01 last 62.87)
 - open/close 1260 (time 1787752905.36 total 20.01 last 63.06)
 - open/close 2006 (time 1787752915.36 total 30.01 last 74.59)
 - open/close 2762 (time 1787752925.37 total 40.02 last 75.56)
 - open/close 3476 (time 1787752935.39 total 50.04 last 71.27)
 - open/close 4182 (time 1787752945.40 total 60.04 last 70.55)
 - open/close 4927 (time 1787752955.41 total 70.06 last 74.40)
 - open/close 5719 (time 1787752965.42 total 80.07 last 79.08)
 - open/close 6411 (time 1787752975.42 total 90.07 last 69.19)
 - open/close 7127 (time 1787752985.43 total 100.08 last 71.57)
 - open/close 7881 (time 1787752995.44 total 110.08 last 75.34)
total: 8000 open/close in 112.24 seconds: 71.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1787753190 ; total 0 ; last 0)
total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second
 - open/close 787 (time 1787753309.57 total 10.01 last 78.61)
 - open/close 1535 (time 1787753319.59 total 20.02 last 74.71)
 - open/close 2233 (time 1787753329.59 total 30.02 last 69.79)
 - open/close 2951 (time 1787753339.61 total 40.05 last 71.64)
 - open/close 3601 (time 1787753349.61 total 50.05 last 64.97)
 - open/close 4220 (time 1787753359.62 total 60.05 last 61.89)
 - open/close 4925 (time 1787753369.64 total 70.08 last 70.30)
 - open/close 5516 (time 1787753379.67 total 80.11 last 58.93)
 - open/close 6206 (time 1787753389.67 total 90.11 last 68.99)
 - open/close 6843 (time 1787753399.67 total 100.11 last 63.69)
 - open/close 7466 (time 1787753409.69 total 110.13 last 62.19)
total: 8000 open/close in 119.06 seconds: 67.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1787753523 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second