== sanity test 124b: lru resize (performance test) ================================================================================= 01:06:24 (1788843984)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 857 (time 1788843998.26 total 10.01 last 85.64)
 - open/close 1633 (time 1788844008.27 total 20.02 last 77.53)
 - open/close 2323 (time 1788844018.29 total 30.04 last 68.85)
 - open/close 2897 (time 1788844028.29 total 40.04 last 57.39)
 - open/close 3674 (time 1788844038.30 total 50.05 last 77.65)
 - open/close 4430 (time 1788844048.30 total 60.05 last 75.60)
 - open/close 5186 (time 1788844058.31 total 70.05 last 75.55)
 - open/close 6006 (time 1788844068.32 total 80.06 last 81.93)
 - open/close 6820 (time 1788844078.32 total 90.07 last 81.37)
 - open/close 7602 (time 1788844088.36 total 100.10 last 77.92)
total: 8000 open/close in 105.29 seconds: 75.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
 - unlinked 0 (time 1788844263 ; total 0 ; last 0)
total: 8000 unlinks in 91 seconds: 87.912086 unlinks/second
 - open/close 853 (time 1788844369.00 total 10.01 last 85.26)
 - open/close 1738 (time 1788844379.00 total 20.01 last 88.48)
 - open/close 2439 (time 1788844389.00 total 30.01 last 70.05)
 - open/close 3273 (time 1788844399.01 total 40.02 last 83.32)
 - open/close 4144 (time 1788844409.02 total 50.03 last 87.07)
 - open/close 5047 (time 1788844419.03 total 60.04 last 90.16)
 - open/close 5857 (time 1788844429.04 total 70.05 last 80.98)
 - open/close 6741 (time 1788844439.04 total 80.05 last 88.37)
 - open/close 7596 (time 1788844449.05 total 90.06 last 85.39)
total: 8000 open/close in 94.86 seconds: 84.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1788844555 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second