== sanity test 124b: lru resize (performance test) ================================================================================= 21:32:10 (1788571930)
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 865 (time 1788571946.13 total 10.00 last 86.49)
 - open/close 1678 (time 1788571956.15 total 20.02 last 81.18)
 - open/close 2708 (time 1788571966.17 total 30.03 last 102.81)
 - open/close 3536 (time 1788571976.17 total 40.04 last 82.76)
 - open/close 4395 (time 1788571986.21 total 50.08 last 85.59)
 - open/close 5377 (time 1788571996.21 total 60.08 last 98.19)
 - open/close 6321 (time 1788572006.23 total 70.10 last 94.19)
 - open/close 7082 (time 1788572016.24 total 80.10 last 76.05)
 - open/close 7962 (time 1788572026.25 total 90.11 last 87.91)
total: 8000 open/close in 90.52 seconds: 88.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 400
400
 - unlinked 0 (time 1788572137 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 665 (time 1788572255.80 total 10.00 last 66.48)
 - open/close 1523 (time 1788572265.80 total 20.01 last 85.77)
 - open/close 2218 (time 1788572275.80 total 30.01 last 69.49)
 - open/close 3082 (time 1788572285.80 total 40.01 last 86.39)
 - open/close 3740 (time 1788572295.80 total 50.01 last 65.79)
 - open/close 4559 (time 1788572305.81 total 60.02 last 81.83)
 - open/close 5604 (time 1788572315.82 total 70.02 last 104.47)
 - open/close 6477 (time 1788572325.82 total 80.03 last 87.24)
 - open/close 7353 (time 1788572335.82 total 90.03 last 87.59)
total: 8000 open/close in 96.37 seconds: 83.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 4006
4001
ls -la is 5% faster with lru resize enabled
 - unlinked 0 (time 1788572459 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second