== sanity test 124b: lru resize (performance test) ================================================================================= 05:36:13 (1781688973)
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 3430 (time 1781688985.80 total 10.00 last 342.97)
 - open/close 6454 (time 1781688995.81 total 20.00 last 302.30)
total: 8000 open/close in 25.68 seconds: 311.58 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 400
400
 - unlinked 0 (time 1781689080 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3680 (time 1781689107.82 total 10.00 last 367.94)
 - open/close 6603 (time 1781689117.82 total 20.00 last 292.21)
total: 8000 open/close in 27.43 seconds: 291.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 46 seconds
lru_size = 4006
4001
ls -la is 39% faster with lru resize enabled
 - unlinked 0 (time 1781689180 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second