== sanity test 124b: lru resize (performance test) ================================================================================= 23:45:46 (1783568746)
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 4764 (time 1783568762.51 total 10.00 last 476.29)
total: 8000 open/close in 16.85 seconds: 474.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 400
400
 - unlinked 0 (time 1783568845 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4623 (time 1783568868.23 total 10.00 last 462.22)
total: 8000 open/close in 17.04 seconds: 469.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 56 seconds
lru_size = 4052
3955
ls -la is 23% faster with lru resize enabled
 - unlinked 0 (time 1783568938 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second