== sanity test 124b: lru resize (performance test) ================================================================================= 10:42:30 (1790952150)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 772 (time 1790952166.02 total 10.02 last 77.07)
 - open/close 1532 (time 1790952176.02 total 20.02 last 75.96)
 - open/close 2275 (time 1790952186.03 total 30.03 last 74.26)
 - open/close 3042 (time 1790952196.04 total 40.03 last 76.64)
 - open/close 3695 (time 1790952206.04 total 50.04 last 65.25)
 - open/close 4335 (time 1790952216.04 total 60.04 last 64.00)
 - open/close 4932 (time 1790952226.05 total 70.05 last 59.65)
 - open/close 5687 (time 1790952236.06 total 80.06 last 75.42)
 - open/close 6506 (time 1790952246.07 total 90.07 last 81.84)
 - open/close 7284 (time 1790952256.07 total 100.07 last 77.79)
total: 8000 open/close in 110.04 seconds: 72.70 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 1790952432 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 740 (time 1790952555.48 total 10.01 last 73.91)
 - open/close 1504 (time 1790952565.49 total 20.02 last 76.32)
 - open/close 2180 (time 1790952575.50 total 30.03 last 67.55)
 - open/close 2853 (time 1790952585.50 total 40.03 last 67.27)
 - open/close 3499 (time 1790952595.51 total 50.04 last 64.57)
 - open/close 4262 (time 1790952605.51 total 60.04 last 76.29)
 - open/close 5056 (time 1790952615.52 total 70.05 last 79.32)
 - open/close 5806 (time 1790952625.52 total 80.05 last 74.97)
 - open/close 6556 (time 1790952635.53 total 90.07 last 74.90)
 - open/close 7115 (time 1790952645.54 total 100.07 last 55.86)
 - open/close 7722 (time 1790952655.55 total 110.08 last 60.65)
total: 8000 open/close in 116.48 seconds: 68.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 102 seconds
lru_size = 8005
ls -la is 35% faster with lru resize enabled
 - unlinked 0 (time 1790952798 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second