== sanity test 124b: lru resize (performance test) ================================================================================= 07:30:27 (1765110627)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4533 (time 1765110639.25 total 10.00 last 453.22)
 - open/close 6903 (time 1765110649.26 total 20.00 last 236.95)
total: 8000 open/close in 22.76 seconds: 351.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 67 seconds
lru_size = 400
 - unlinked 0 (time 1765110722 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 4338 (time 1765110748.44 total 10.00 last 433.73)
total: 8000 open/close in 19.08 seconds: 419.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 40 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1765110805 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second