== sanity test 124b: lru resize (performance test) ================================================================================= 11:54:16 (1784130856)
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 3164 (time 1784130869.39 total 10.00 last 316.37)
 - open/close 6107 (time 1784130879.39 total 20.00 last 294.30)
total: 8000 open/close in 26.04 seconds: 307.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 400
400
 - unlinked 0 (time 1784130963 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4780 (time 1784130987.18 total 10.00 last 477.98)
total: 8000 open/close in 16.77 seconds: 477.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 4052
3955
ls -la is 32% faster with lru resize enabled
 - unlinked 0 (time 1784131052 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second