== sanity test 124b: lru resize (performance test) ================================================================================= 11:03:28 (1775228608)
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 3241 (time 1775228622.46 total 10.00 last 324.09)
 - open/close 7580 (time 1775228632.46 total 20.00 last 433.90)
total: 8000 open/close in 20.95 seconds: 381.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 400
400
 - unlinked 0 (time 1775228699 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4942 (time 1775228721.00 total 10.00 last 494.09)
total: 8000 open/close in 16.22 seconds: 493.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 48 seconds
lru_size = 4052
3955
ls -la is 23% faster with lru resize enabled
 - unlinked 0 (time 1775228782 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second