== sanity test 124b: lru resize (performance test) ================================================================================= 15:59:56 (1790884796)
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 3856 (time 1790884810.69 total 10.00 last 385.60)
 - open/close 6463 (time 1790884820.69 total 20.00 last 260.68)
total: 8000 open/close in 26.55 seconds: 301.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
400
 - unlinked 0 (time 1790884913 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3270 (time 1790884943.99 total 10.00 last 326.98)
 - open/close 7138 (time 1790884953.99 total 20.00 last 386.76)
total: 8000 open/close in 24.25 seconds: 329.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 4006
4001
ls -la is 2% slower with lru resize enabled
 - unlinked 0 (time 1790885052 ; total 0 ; last 0)
total: 8000 unlinks in 37 seconds: 216.216217 unlinks/second