== sanity test 124b: lru resize (performance test) ================================================================================= 04:08:13 (1787558893)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 852 (time 1787558907.30 total 10.00 last 85.16)
 - open/close 1646 (time 1787558917.31 total 20.01 last 79.34)
 - open/close 2364 (time 1787558927.33 total 30.03 last 71.65)
 - open/close 3082 (time 1787558937.33 total 40.04 last 71.75)
 - open/close 3935 (time 1787558947.35 total 50.06 last 85.17)
 - open/close 4788 (time 1787558957.36 total 60.07 last 85.17)
 - open/close 5551 (time 1787558967.36 total 70.07 last 76.29)
 - open/close 6354 (time 1787558977.37 total 80.08 last 80.22)
 - open/close 7136 (time 1787558987.40 total 90.10 last 78.04)
 - open/close 7987 (time 1787558997.40 total 100.11 last 85.06)
total: 8000 open/close in 100.25 seconds: 79.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 149 seconds
lru_size = 400
 - unlinked 0 (time 1787559153 ; total 0 ; last 0)
total: 8000 unlinks in 85 seconds: 94.117645 unlinks/second
 - open/close 772 (time 1787559251.47 total 10.01 last 77.14)
 - open/close 1592 (time 1787559261.47 total 20.01 last 81.94)
 - open/close 2453 (time 1787559271.48 total 30.02 last 86.02)
 - open/close 3305 (time 1787559281.49 total 40.03 last 85.17)
 - open/close 4188 (time 1787559291.50 total 50.04 last 88.20)
 - open/close 5099 (time 1787559301.51 total 60.05 last 91.01)
 - open/close 5939 (time 1787559311.51 total 70.05 last 83.98)
 - open/close 6732 (time 1787559321.52 total 80.06 last 79.25)
 - open/close 7521 (time 1787559331.53 total 90.07 last 78.83)
total: 8000 open/close in 95.59 seconds: 83.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1787559426 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second