== sanity test 124b: lru resize (performance test) ================================================================================= 10:44:54 (1788878694)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4496 (time 1788878708.19 total 10.00 last 449.52)
total: 8000 open/close in 18.93 seconds: 422.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 400
400
 - unlinked 0 (time 1788878785 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3930 (time 1788878810.48 total 10.00 last 392.98)
 - open/close 7518 (time 1788878820.48 total 20.01 last 358.63)
total: 8000 open/close in 21.56 seconds: 370.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 4006
4001
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1788878874 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second