== sanity test 124b: lru resize (performance test) ================================================================================= 01:22:55 (1789276975)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 540 (time 1789276991.84 total 10.02 last 53.89)
 - open/close 1148 (time 1789277001.85 total 20.03 last 60.74)
 - open/close 1848 (time 1789277011.86 total 30.03 last 69.99)
 - open/close 2540 (time 1789277021.87 total 40.04 last 69.11)
 - open/close 3299 (time 1789277031.88 total 50.05 last 75.83)
 - open/close 3955 (time 1789277041.90 total 60.07 last 65.49)
 - open/close 4674 (time 1789277051.90 total 70.07 last 71.87)
 - open/close 5329 (time 1789277061.90 total 80.08 last 65.47)
 - open/close 6021 (time 1789277071.91 total 90.08 last 69.17)
 - open/close 6697 (time 1789277081.93 total 100.10 last 67.47)
 - open/close 7460 (time 1789277091.93 total 110.11 last 76.26)
total: 8000 open/close in 117.12 seconds: 68.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
 - unlinked 0 (time 1789277268 ; total 0 ; last 0)
total: 8000 unlinks in 124 seconds: 64.516129 unlinks/second
 - open/close 622 (time 1789277408.02 total 10.01 last 62.13)
 - open/close 1227 (time 1789277418.05 total 20.04 last 60.32)
 - open/close 1898 (time 1789277428.08 total 30.08 last 66.87)
 - open/close 2559 (time 1789277438.09 total 40.09 last 66.01)
 - open/close 3157 (time 1789277448.11 total 50.10 last 59.74)
 - open/close 3818 (time 1789277458.11 total 60.10 last 66.09)
 - open/close 4502 (time 1789277468.12 total 70.11 last 68.32)
 - open/close 5144 (time 1789277478.12 total 80.11 last 64.20)
 - open/close 5840 (time 1789277488.13 total 90.12 last 69.54)
 - open/close 6572 (time 1789277498.13 total 100.13 last 73.17)
 - open/close 7228 (time 1789277508.14 total 110.14 last 65.52)
 - open/close 7875 (time 1789277518.17 total 120.16 last 64.53)
total: 8000 open/close in 122.00 seconds: 65.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 8007
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1789277627 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second