== sanity test 124b: lru resize (performance test) ================================================================================= 11:06:19 (1787843179)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 683 (time 1787843194.96 total 10.00 last 68.29)
 - open/close 1444 (time 1787843204.97 total 20.01 last 76.05)
 - open/close 2093 (time 1787843214.99 total 30.02 last 64.80)
 - open/close 2703 (time 1787843224.99 total 40.03 last 60.98)
 - open/close 3417 (time 1787843235.00 total 50.04 last 71.34)
 - open/close 4131 (time 1787843245.01 total 60.05 last 71.32)
 - open/close 4874 (time 1787843255.01 total 70.05 last 74.28)
 - open/close 5621 (time 1787843265.04 total 80.08 last 74.45)
 - open/close 6392 (time 1787843275.06 total 90.09 last 77.01)
 - open/close 7098 (time 1787843285.07 total 100.10 last 70.54)
 - open/close 7819 (time 1787843295.07 total 110.11 last 72.07)
total: 8000 open/close in 113.09 seconds: 70.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 165 seconds
lru_size = 400
 - unlinked 0 (time 1787843475 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 444 (time 1787843609.63 total 10.01 last 44.37)
 - open/close 1092 (time 1787843619.63 total 20.01 last 64.80)
 - open/close 1813 (time 1787843629.64 total 30.02 last 72.01)
 - open/close 2542 (time 1787843639.65 total 40.03 last 72.84)
 - open/close 3351 (time 1787843649.65 total 50.03 last 80.86)
 - open/close 4107 (time 1787843659.67 total 60.05 last 75.47)
 - open/close 4702 (time 1787843669.68 total 70.06 last 59.47)
 - open/close 5463 (time 1787843679.69 total 80.07 last 76.01)
 - open/close 6196 (time 1787843689.70 total 90.08 last 73.24)
 - open/close 6923 (time 1787843699.70 total 100.08 last 72.66)
 - open/close 7657 (time 1787843709.70 total 110.09 last 73.38)
total: 8000 open/close in 115.68 seconds: 69.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1787843836 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second