== sanity test 124b: lru resize (performance test) ================================================================================= 01:37:01 (1790746621)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 788 (time 1790746635.89 total 10.00 last 78.78)
 - open/close 1589 (time 1790746645.89 total 20.01 last 80.06)
 - open/close 2347 (time 1790746655.91 total 30.02 last 75.71)
 - open/close 3144 (time 1790746665.92 total 40.04 last 79.56)
 - open/close 4009 (time 1790746675.93 total 50.04 last 86.44)
 - open/close 4778 (time 1790746685.94 total 60.05 last 76.83)
 - open/close 5505 (time 1790746695.94 total 70.06 last 72.67)
 - open/close 6299 (time 1790746705.95 total 80.06 last 79.37)
 - open/close 7112 (time 1790746715.95 total 90.06 last 81.26)
 - open/close 7909 (time 1790746725.95 total 100.07 last 79.69)
total: 8000 open/close in 101.27 seconds: 79.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 152 seconds
lru_size = 400
 - unlinked 0 (time 1790746890 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second
 - open/close 839 (time 1790747001.51 total 10.03 last 83.64)
 - open/close 1661 (time 1790747011.51 total 20.03 last 82.18)
 - open/close 2489 (time 1790747021.53 total 30.05 last 82.68)
 - open/close 3288 (time 1790747031.53 total 40.05 last 79.86)
 - open/close 4101 (time 1790747041.55 total 50.07 last 81.13)
 - open/close 4831 (time 1790747051.55 total 60.08 last 72.98)
 - open/close 5642 (time 1790747061.57 total 70.09 last 81.00)
 - open/close 6481 (time 1790747071.58 total 80.10 last 83.82)
 - open/close 7318 (time 1790747081.60 total 90.12 last 83.50)
total: 8000 open/close in 99.07 seconds: 80.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1790747190 ; total 1 ; last 1)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second