== sanity test 124b: lru resize (performance test) ================================================================================= 18:23:53 (1780093433)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1869 (time 1780093445.36 total 10.00 last 186.83)
 - open/close 3926 (time 1780093455.36 total 20.01 last 205.66)
 - open/close 5863 (time 1780093465.36 total 30.01 last 193.70)
 - open/close 7923 (time 1780093475.37 total 40.01 last 205.92)
total: 8000 open/close in 40.45 seconds: 197.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
 - unlinked 0 (time 1780093561 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second
 - open/close 2939 (time 1780093594.98 total 10.00 last 293.85)
 - open/close 5549 (time 1780093604.98 total 20.00 last 260.98)
 - open/close 7486 (time 1780093614.99 total 30.00 last 193.66)
total: 8000 open/close in 31.78 seconds: 251.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 48 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1780093673 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second