== sanity test 124b: lru resize (performance test) ================================================================================= 00:21:18 (1787804478)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 794 (time 1787804491.64 total 10.01 last 79.31)
 - open/close 1523 (time 1787804501.69 total 20.06 last 72.56)
 - open/close 2269 (time 1787804511.69 total 30.06 last 74.56)
 - open/close 2988 (time 1787804521.70 total 40.07 last 71.84)
 - open/close 3873 (time 1787804531.70 total 50.07 last 88.49)
 - open/close 4755 (time 1787804541.71 total 60.09 last 88.10)
 - open/close 5707 (time 1787804551.72 total 70.09 last 95.14)
 - open/close 6515 (time 1787804561.72 total 80.09 last 80.78)
 - open/close 7393 (time 1787804571.72 total 90.10 last 87.79)
total: 8000 open/close in 97.05 seconds: 82.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 123 seconds
lru_size = 400
 - unlinked 0 (time 1787804709 ; total 0 ; last 0)
total: 8000 unlinks in 115 seconds: 69.565216 unlinks/second
 - open/close 756 (time 1787804838.62 total 10.02 last 75.45)
 - open/close 1496 (time 1787804848.63 total 20.02 last 73.97)
 - open/close 2209 (time 1787804858.65 total 30.04 last 71.16)
 - open/close 2950 (time 1787804868.66 total 40.05 last 74.02)
 - open/close 3630 (time 1787804878.68 total 50.07 last 67.87)
 - open/close 4312 (time 1787804888.68 total 60.08 last 68.18)
 - open/close 4937 (time 1787804898.69 total 70.08 last 62.46)
 - open/close 5535 (time 1787804908.71 total 80.11 last 59.65)
 - open/close 6106 (time 1787804918.73 total 90.12 last 57.03)
 - open/close 6810 (time 1787804928.73 total 100.13 last 70.35)
 - open/close 7514 (time 1787804938.75 total 110.14 last 70.29)
total: 8000 open/close in 117.04 seconds: 68.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 8005
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1787805043 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second