== sanity test 124b: lru resize (performance test) ================================================================================= 17:31:29 (1786829489)
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 1097 (time 1786829504.58 total 10.00 last 109.66)
 - open/close 2123 (time 1786829514.59 total 20.01 last 102.53)
 - open/close 3059 (time 1786829524.60 total 30.02 last 93.53)
 - open/close 4100 (time 1786829534.60 total 40.03 last 104.03)
 - open/close 5174 (time 1786829544.61 total 50.03 last 107.35)
 - open/close 6260 (time 1786829554.62 total 60.04 last 108.52)
 - open/close 7222 (time 1786829564.62 total 70.04 last 96.18)
total: 8000 open/close in 79.30 seconds: 100.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 152 seconds
lru_size = 400
400
 - unlinked 0 (time 1786829736 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1027 (time 1786829826.21 total 10.02 last 102.54)
 - open/close 2130 (time 1786829836.21 total 20.02 last 110.23)
 - open/close 3185 (time 1786829846.21 total 30.02 last 105.48)
 - open/close 4216 (time 1786829856.21 total 40.03 last 103.08)
 - open/close 5198 (time 1786829866.22 total 50.03 last 98.17)
 - open/close 6146 (time 1786829876.22 total 60.03 last 94.74)
 - open/close 6880 (time 1786829886.24 total 70.05 last 73.27)
 - open/close 7937 (time 1786829896.25 total 80.06 last 105.66)
total: 8000 open/close in 80.68 seconds: 99.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 4006
4001
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1786830002 ; total 0 ; last 0)
total: 8000 unlinks in 48 seconds: 166.666672 unlinks/second