== sanity test 124b: lru resize (performance test) ================================================================================= 16:06:25 (1780344385)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2053 (time 1780344398.28 total 10.00 last 205.30)
 - open/close 3611 (time 1780344408.29 total 20.00 last 155.73)
 - open/close 5461 (time 1780344418.29 total 30.01 last 184.92)
 - open/close 7862 (time 1780344428.30 total 40.01 last 240.02)
total: 8000 open/close in 40.49 seconds: 197.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 400
 - unlinked 0 (time 1780344509 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
 - open/close 2502 (time 1780344542.31 total 10.01 last 249.92)
 - open/close 4719 (time 1780344552.31 total 20.01 last 221.66)
 - open/close 6467 (time 1780344562.32 total 30.02 last 174.75)
total: 8000 open/close in 35.85 seconds: 223.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 40 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1780344616 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second