== sanity test 124b: lru resize (performance test) ================================================================================= 12:57:51 (1781629071)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4668 (time 1781629086.09 total 10.00 last 466.77)
total: 8000 open/close in 17.31 seconds: 462.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 81 seconds
lru_size = 400
400
 - unlinked 0 (time 1781629177 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4502 (time 1781629199.70 total 10.00 last 450.15)
total: 8000 open/close in 17.81 seconds: 449.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 4052
3955
ls -la is 9% faster with lru resize enabled
 - unlinked 0 (time 1781629289 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second