== sanity test 124b: lru resize (performance test) ================================================================================= 11:56:18 (1789487778)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 796 (time 1789487792.46 total 10.02 last 79.48)
 - open/close 1454 (time 1789487802.47 total 20.02 last 65.79)
 - open/close 2248 (time 1789487812.47 total 30.02 last 79.39)
 - open/close 3064 (time 1789487822.47 total 40.02 last 81.55)
 - open/close 3785 (time 1789487832.47 total 50.03 last 72.09)
 - open/close 4595 (time 1789487842.48 total 60.03 last 80.95)
 - open/close 5369 (time 1789487852.50 total 70.05 last 77.25)
 - open/close 6163 (time 1789487862.50 total 80.05 last 79.38)
 - open/close 6953 (time 1789487872.51 total 90.06 last 78.95)
 - open/close 7616 (time 1789487882.53 total 100.08 last 66.17)
total: 8000 open/close in 104.96 seconds: 76.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 151 seconds
lru_size = 400
 - unlinked 0 (time 1789488047 ; total 1 ; last 1)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
 - open/close 862 (time 1789488161.56 total 10.02 last 86.00)
 - open/close 1704 (time 1789488171.57 total 20.03 last 84.11)
 - open/close 2525 (time 1789488181.57 total 30.04 last 82.05)
 - open/close 3353 (time 1789488191.59 total 40.05 last 82.69)
 - open/close 4167 (time 1789488201.60 total 50.07 last 81.28)
 - open/close 4934 (time 1789488211.61 total 60.08 last 76.61)
 - open/close 5728 (time 1789488221.62 total 70.09 last 79.36)
 - open/close 6514 (time 1789488231.62 total 80.09 last 78.58)
 - open/close 7256 (time 1789488241.63 total 90.09 last 74.16)
total: 8000 open/close in 99.99 seconds: 80.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1789488358 ; total 1 ; last 1)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second