== sanity test 124b: lru resize (performance test) ================================================================================= 06:45:01 (1788950701)
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 967 (time 1788950716.55 total 10.00 last 96.68)
 - open/close 1950 (time 1788950726.56 total 20.01 last 98.27)
 - open/close 2911 (time 1788950736.56 total 30.01 last 96.05)
 - open/close 3779 (time 1788950746.57 total 40.01 last 86.77)
 - open/close 4662 (time 1788950756.58 total 50.03 last 88.19)
 - open/close 5517 (time 1788950766.58 total 60.03 last 85.48)
 - open/close 6449 (time 1788950776.59 total 70.03 last 93.15)
 - open/close 7305 (time 1788950786.59 total 80.04 last 85.54)
total: 8000 open/close in 87.06 seconds: 91.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 132 seconds
lru_size = 400
400
 - unlinked 0 (time 1788950935 ; total 0 ; last 0)
total: 8000 unlinks in 92 seconds: 86.956520 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 740 (time 1788951043.11 total 10.01 last 73.90)
 - open/close 1705 (time 1788951053.11 total 20.02 last 96.48)
 - open/close 2715 (time 1788951063.12 total 30.02 last 100.92)
 - open/close 3502 (time 1788951073.12 total 40.03 last 78.64)
 - open/close 4115 (time 1788951083.14 total 50.05 last 61.18)
 - open/close 5162 (time 1788951093.15 total 60.05 last 104.67)
 - open/close 6038 (time 1788951103.15 total 70.06 last 87.56)
 - open/close 7113 (time 1788951113.15 total 80.06 last 107.47)
total: 8000 open/close in 87.69 seconds: 91.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 4006
4001
ls -la is 39% faster with lru resize enabled
 - unlinked 0 (time 1788951218 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second