== sanity test 124b: lru resize (performance test) ================================================================================= 04:16:46 (1788855406)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 589 (time 1788855421.43 total 10.00 last 58.88)
 - open/close 1298 (time 1788855431.44 total 20.01 last 70.87)
 - open/close 2004 (time 1788855441.44 total 30.01 last 70.60)
 - open/close 2779 (time 1788855451.45 total 40.02 last 77.38)
 - open/close 3495 (time 1788855461.46 total 50.03 last 71.55)
 - open/close 4198 (time 1788855471.46 total 60.03 last 70.29)
 - open/close 4915 (time 1788855481.46 total 70.03 last 71.70)
 - open/close 5566 (time 1788855491.47 total 80.04 last 65.03)
 - open/close 6234 (time 1788855501.48 total 90.05 last 66.72)
 - open/close 6856 (time 1788855511.49 total 100.06 last 62.18)
 - open/close 7510 (time 1788855521.52 total 110.09 last 65.18)
total: 8000 open/close in 117.34 seconds: 68.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1788855713 ; total 0 ; last 0)
total: 8000 unlinks in 126 seconds: 63.492062 unlinks/second
 - open/close 734 (time 1788855854.48 total 10.01 last 73.36)
 - open/close 1312 (time 1788855864.48 total 20.01 last 57.78)
 - open/close 1944 (time 1788855874.49 total 30.02 last 63.14)
 - open/close 2542 (time 1788855884.50 total 40.03 last 59.75)
 - open/close 3069 (time 1788855894.52 total 50.05 last 52.58)
 - open/close 3646 (time 1788855904.53 total 60.06 last 57.65)
 - open/close 4344 (time 1788855914.54 total 70.07 last 69.74)
 - open/close 4938 (time 1788855924.55 total 80.07 last 59.37)
 - open/close 5537 (time 1788855934.55 total 90.08 last 59.86)
 - open/close 6230 (time 1788855944.57 total 100.09 last 69.19)
 - open/close 6932 (time 1788855954.59 total 110.12 last 70.04)
 - open/close 7628 (time 1788855964.60 total 120.12 last 69.55)
total: 8000 open/close in 125.71 seconds: 63.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 8008
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1788856082 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second