== sanity test 124b: lru resize (performance test) ================================================================================= 05:20:36 (1771410036)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1999 (time 1771410048.38 total 10.00 last 199.87)
 - open/close 3750 (time 1771410058.38 total 20.01 last 175.02)
 - open/close 5992 (time 1771410068.38 total 30.01 last 224.17)
 - open/close 7225 (time 1771410078.39 total 40.01 last 123.25)
total: 8000 open/close in 43.69 seconds: 183.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 400
 - unlinked 0 (time 1771410164 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
 - open/close 3117 (time 1771410198.35 total 10.00 last 311.61)
 - open/close 5921 (time 1771410208.35 total 20.01 last 280.31)
total: 8000 open/close in 27.22 seconds: 293.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 42 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1771410266 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second