== sanity test 124b: lru resize (performance test) ================================================================================= 10:24:11 (1787754251)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 651 (time 1787754268.01 total 10.01 last 65.06)
 - open/close 1166 (time 1787754278.02 total 20.02 last 51.44)
 - open/close 1890 (time 1787754288.03 total 30.02 last 72.37)
 - open/close 2569 (time 1787754298.03 total 40.02 last 67.89)
 - open/close 3297 (time 1787754308.05 total 50.04 last 72.65)
 - open/close 4075 (time 1787754318.06 total 60.05 last 77.73)
 - open/close 4902 (time 1787754328.06 total 70.06 last 82.66)
 - open/close 5656 (time 1787754338.07 total 80.06 last 75.38)
 - open/close 6462 (time 1787754348.07 total 90.07 last 80.53)
 - open/close 7124 (time 1787754358.08 total 100.07 last 66.16)
 - open/close 7870 (time 1787754368.10 total 110.09 last 74.47)
total: 8000 open/close in 112.17 seconds: 71.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1787754535 ; total 0 ; last 0)
total: 8000 unlinks in 125 seconds: 64.000000 unlinks/second
 - open/close 703 (time 1787754675.72 total 10.00 last 70.29)
 - open/close 1513 (time 1787754685.73 total 20.00 last 80.98)
 - open/close 2233 (time 1787754695.73 total 30.01 last 71.97)
 - open/close 2911 (time 1787754705.73 total 40.01 last 67.79)
 - open/close 3594 (time 1787754715.73 total 50.01 last 68.29)
 - open/close 4265 (time 1787754725.74 total 60.02 last 67.06)
 - open/close 4910 (time 1787754735.77 total 70.04 last 64.33)
 - open/close 5355 (time 1787754745.77 total 80.05 last 44.48)
 - open/close 5836 (time 1787754755.78 total 90.05 last 48.07)
 - open/close 6697 (time 1787754765.78 total 100.06 last 86.04)
 - open/close 7420 (time 1787754775.79 total 110.07 last 72.23)
total: 8000 open/close in 117.50 seconds: 68.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 8005
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1787754908 ; total 0 ; last 0)
total: 8000 unlinks in 80 seconds: 100.000000 unlinks/second