== sanity test 124b: lru resize (performance test) ================================================================================= 00:25:31 (1789273531)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 599 (time 1789273547.08 total 10.01 last 59.86)
 - open/close 1120 (time 1789273557.09 total 20.01 last 52.07)
 - open/close 1833 (time 1789273567.09 total 30.01 last 71.29)
 - open/close 2614 (time 1789273577.09 total 40.02 last 78.06)
 - open/close 3373 (time 1789273587.11 total 50.04 last 75.75)
 - open/close 4017 (time 1789273597.12 total 60.04 last 64.37)
 - open/close 4667 (time 1789273607.12 total 70.04 last 65.00)
 - open/close 5319 (time 1789273617.13 total 80.05 last 65.14)
 - open/close 6037 (time 1789273627.14 total 90.07 last 71.69)
 - open/close 6704 (time 1789273637.16 total 100.09 last 66.59)
 - open/close 7217 (time 1789273647.17 total 110.09 last 51.26)
 - open/close 7975 (time 1789273657.19 total 120.11 last 75.65)
total: 8000 open/close in 120.48 seconds: 66.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
 - unlinked 0 (time 1789273839 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 507 (time 1789273971.04 total 10.00 last 50.70)
 - open/close 1206 (time 1789273981.05 total 20.01 last 69.85)
 - open/close 1958 (time 1789273991.05 total 30.01 last 75.18)
 - open/close 2724 (time 1789274001.06 total 40.02 last 76.53)
 - open/close 3510 (time 1789274011.07 total 50.03 last 78.52)
 - open/close 4263 (time 1789274021.07 total 60.04 last 75.26)
 - open/close 4986 (time 1789274031.10 total 70.06 last 72.14)
 - open/close 5623 (time 1789274041.11 total 80.07 last 63.61)
 - open/close 6246 (time 1789274051.12 total 90.08 last 62.23)
 - open/close 6816 (time 1789274061.12 total 100.08 last 57.00)
 - open/close 7258 (time 1789274071.13 total 110.09 last 44.16)
 - open/close 7752 (time 1789274081.14 total 120.10 last 49.34)
total: 8000 open/close in 125.95 seconds: 63.52 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 8005
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1789274216 ; total 0 ; last 0)
total: 8000 unlinks in 81 seconds: 98.765434 unlinks/second