== sanity test 124b: lru resize (performance test) ================================================================================= 18:59:51 (1790722791)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 586 (time 1790722806.64 total 10.02 last 58.47)
 - open/close 1216 (time 1790722816.67 total 20.04 last 62.87)
 - open/close 1798 (time 1790722826.69 total 30.07 last 58.04)
 - open/close 2481 (time 1790722836.70 total 40.08 last 68.23)
 - open/close 3110 (time 1790722846.71 total 50.09 last 62.84)
 - open/close 3753 (time 1790722856.73 total 60.10 last 64.22)
 - open/close 4377 (time 1790722866.73 total 70.11 last 62.40)
 - open/close 5013 (time 1790722876.74 total 80.11 last 63.55)
 - open/close 5636 (time 1790722886.74 total 90.11 last 62.29)
 - open/close 6266 (time 1790722896.74 total 100.12 last 62.96)
 - open/close 6853 (time 1790722906.74 total 110.12 last 58.70)
 - open/close 7478 (time 1790722916.76 total 120.14 last 62.39)
total: 8000 open/close in 129.00 seconds: 62.02 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 1790723102 ; total 0 ; last 0)
total: 8000 unlinks in 122 seconds: 65.573769 unlinks/second
 - open/close 723 (time 1790723239.83 total 10.01 last 72.21)
 - open/close 1352 (time 1790723249.83 total 20.01 last 62.89)
 - open/close 2091 (time 1790723259.85 total 30.03 last 73.81)
 - open/close 2731 (time 1790723269.86 total 40.04 last 63.91)
 - open/close 3388 (time 1790723279.91 total 50.09 last 65.37)
 - open/close 4034 (time 1790723289.92 total 60.10 last 64.54)
 - open/close 4690 (time 1790723299.93 total 70.11 last 65.53)
 - open/close 5325 (time 1790723309.93 total 80.11 last 63.49)
 - open/close 5993 (time 1790723319.94 total 90.12 last 66.75)
 - open/close 6710 (time 1790723329.94 total 100.12 last 71.70)
 - open/close 7485 (time 1790723339.95 total 110.13 last 77.40)
total: 8000 open/close in 116.66 seconds: 68.58 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 8005
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1790723444 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second