== sanity test 124b: lru resize (performance test) ================================================================================= 05:24:23 (1788773063)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 769 (time 1788773077.23 total 10.01 last 76.84)
 - open/close 1473 (time 1788773087.24 total 20.01 last 70.37)
 - open/close 2255 (time 1788773097.24 total 30.02 last 78.16)
 - open/close 3013 (time 1788773107.24 total 40.02 last 75.79)
 - open/close 3735 (time 1788773117.25 total 50.02 last 72.18)
 - open/close 4478 (time 1788773127.26 total 60.04 last 74.20)
 - open/close 5250 (time 1788773137.27 total 70.05 last 77.11)
 - open/close 5958 (time 1788773147.27 total 80.05 last 70.79)
 - open/close 6649 (time 1788773157.28 total 90.06 last 69.03)
 - open/close 7329 (time 1788773167.29 total 100.07 last 67.93)
 - open/close 7921 (time 1788773177.30 total 110.08 last 59.16)
total: 8000 open/close in 111.12 seconds: 71.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 163 seconds
lru_size = 400
 - unlinked 0 (time 1788773350 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 927 (time 1788773465.38 total 10.01 last 92.59)
 - open/close 1753 (time 1788773475.38 total 20.01 last 82.58)
 - open/close 2521 (time 1788773485.38 total 30.02 last 76.79)
 - open/close 3276 (time 1788773495.39 total 40.03 last 75.43)
 - open/close 4061 (time 1788773505.40 total 50.03 last 78.45)
 - open/close 4828 (time 1788773515.40 total 60.03 last 76.68)
 - open/close 5565 (time 1788773525.41 total 70.04 last 73.64)
 - open/close 6294 (time 1788773535.41 total 80.05 last 72.88)
 - open/close 7040 (time 1788773545.42 total 90.05 last 74.54)
 - open/close 7809 (time 1788773555.43 total 100.06 last 76.84)
total: 8000 open/close in 102.47 seconds: 78.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 8005
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1788773647 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second