== sanity test 124b: lru resize (performance test) ================================================================================= 07:55:36 (1787399736)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 729 (time 1787399751.18 total 10.01 last 72.85)
 - open/close 1497 (time 1787399761.18 total 20.01 last 76.78)
 - open/close 2311 (time 1787399771.18 total 30.01 last 81.36)
 - open/close 3051 (time 1787399781.20 total 40.03 last 73.91)
 - open/close 3787 (time 1787399791.21 total 50.04 last 73.51)
 - open/close 4653 (time 1787399801.21 total 60.04 last 86.59)
 - open/close 5468 (time 1787399811.22 total 70.05 last 81.43)
 - open/close 6270 (time 1787399821.22 total 80.05 last 80.14)
 - open/close 7075 (time 1787399831.23 total 90.06 last 80.46)
 - open/close 7867 (time 1787399841.24 total 100.07 last 79.12)
total: 8000 open/close in 101.61 seconds: 78.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 156 seconds
lru_size = 400
 - unlinked 0 (time 1787400008 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 892 (time 1787400131.03 total 10.02 last 89.00)
 - open/close 1661 (time 1787400141.04 total 20.02 last 76.89)
 - open/close 2509 (time 1787400151.04 total 30.03 last 84.77)
 - open/close 3284 (time 1787400161.04 total 40.03 last 77.47)
 - open/close 4064 (time 1787400171.05 total 50.04 last 77.97)
 - open/close 4928 (time 1787400181.05 total 60.04 last 86.37)
 - open/close 5763 (time 1787400191.05 total 70.04 last 83.50)
 - open/close 6631 (time 1787400201.05 total 80.04 last 86.77)
 - open/close 7329 (time 1787400211.06 total 90.05 last 69.77)
total: 8000 open/close in 99.61 seconds: 80.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1787400333 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second