== sanity test 124b: lru resize (performance test) ================================================================================= 08:12:14 (1788005534)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2571 (time 1788005546.27 total 10.00 last 257.06)
 - open/close 4845 (time 1788005556.28 total 20.01 last 227.31)
 - open/close 7080 (time 1788005566.28 total 30.01 last 223.41)
total: 8000 open/close in 34.33 seconds: 233.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 400
 - unlinked 0 (time 1788005675 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
 - open/close 2516 (time 1788005707.87 total 10.00 last 251.55)
 - open/close 4168 (time 1788005717.87 total 20.00 last 165.18)
 - open/close 6549 (time 1788005727.87 total 30.00 last 238.08)
total: 8000 open/close in 36.89 seconds: 216.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 56 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1788005801 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second