== sanity test 124b: lru resize (performance test) ================================================================================= 22:33:56 (1787106836)
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 4567 (time 1787106850.26 total 10.00 last 456.61)
total: 8000 open/close in 17.41 seconds: 459.48 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 400
400
 - unlinked 0 (time 1787106941 ; 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 4733 (time 1787106963.70 total 10.00 last 473.28)
total: 8000 open/close in 16.71 seconds: 478.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 4052
3955
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1787107023 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second