== sanity test 124b: lru resize (performance test) ================================================================================= 07:47:52 (1778932072)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2998 (time 1778932083.97 total 10.00 last 299.68)
 - open/close 5191 (time 1778932093.99 total 20.02 last 219.00)
 - open/close 7699 (time 1778932103.99 total 30.02 last 250.76)
total: 8000 open/close in 30.87 seconds: 259.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 400
 - unlinked 0 (time 1778932195 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
 - open/close 2830 (time 1778932227.54 total 10.00 last 283.00)
 - open/close 6258 (time 1778932237.54 total 20.00 last 342.75)
total: 8000 open/close in 25.88 seconds: 309.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1778932296 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second