== sanity test 124b: lru resize (performance test) ================================================================================= 12:26:14 (1789143974)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 662 (time 1789143988.85 total 10.00 last 66.17)
 - open/close 1416 (time 1789143998.85 total 20.01 last 75.34)
 - open/close 2089 (time 1789144008.85 total 30.01 last 67.29)
 - open/close 2585 (time 1789144018.86 total 40.02 last 49.57)
 - open/close 3219 (time 1789144028.86 total 50.02 last 63.39)
 - open/close 3998 (time 1789144038.87 total 60.02 last 77.87)
 - open/close 4864 (time 1789144048.87 total 70.03 last 86.55)
 - open/close 5489 (time 1789144058.88 total 80.04 last 62.46)
 - open/close 6187 (time 1789144068.91 total 90.07 last 69.57)
 - open/close 6844 (time 1789144078.92 total 100.08 last 65.62)
 - open/close 7558 (time 1789144088.93 total 110.09 last 71.36)
total: 8000 open/close in 116.60 seconds: 68.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 164 seconds
lru_size = 400
 - unlinked 0 (time 1789144271 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 664 (time 1789144398.63 total 10.00 last 66.40)
 - open/close 1367 (time 1789144408.63 total 20.00 last 70.29)
 - open/close 2012 (time 1789144418.63 total 30.00 last 64.48)
 - open/close 2727 (time 1789144428.67 total 40.05 last 71.20)
 - open/close 3413 (time 1789144438.68 total 50.06 last 68.54)
 - open/close 4129 (time 1789144448.69 total 60.06 last 71.54)
 - open/close 4852 (time 1789144458.69 total 70.07 last 72.29)
 - open/close 5560 (time 1789144468.71 total 80.08 last 70.71)
 - open/close 6227 (time 1789144478.71 total 90.08 last 66.70)
 - open/close 6844 (time 1789144488.71 total 100.09 last 61.66)
 - open/close 7325 (time 1789144498.73 total 110.10 last 48.04)
 - open/close 7962 (time 1789144508.73 total 120.10 last 63.69)
total: 8000 open/close in 120.57 seconds: 66.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 107 seconds
lru_size = 8005
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1789144642 ; total 0 ; last 0)
total: 8000 unlinks in 83 seconds: 96.385544 unlinks/second