== sanity test 124b: lru resize (performance test) ================================================================================= 13:47:21 (1772477241)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4291 (time 1772477252.45 total 10.00 last 429.08)
 - open/close 6989 (time 1772477262.45 total 20.00 last 269.76)
total: 8000 open/close in 22.15 seconds: 361.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 400
 - unlinked 0 (time 1772477352 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 4617 (time 1772477376.18 total 10.00 last 461.65)
total: 8000 open/close in 17.30 seconds: 462.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 59 seconds
lru_size = 8005
ls -la is 30% faster with lru resize enabled
 - unlinked 0 (time 1772477449 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second