== sanity test 124b: lru resize (performance test) ================================================================================= 11:48:06 (1789141686)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 683 (time 1789141702.23 total 10.01 last 68.23)
 - open/close 1331 (time 1789141712.25 total 20.03 last 64.67)
 - open/close 2059 (time 1789141722.26 total 30.04 last 72.73)
 - open/close 2802 (time 1789141732.27 total 40.05 last 74.26)
 - open/close 3404 (time 1789141742.27 total 50.05 last 60.16)
 - open/close 4024 (time 1789141752.31 total 60.09 last 61.78)
 - open/close 4607 (time 1789141762.31 total 70.09 last 58.27)
 - open/close 5262 (time 1789141772.32 total 80.10 last 65.49)
 - open/close 5941 (time 1789141782.33 total 90.11 last 67.77)
 - open/close 6664 (time 1789141792.36 total 100.14 last 72.14)
 - open/close 7376 (time 1789141802.36 total 110.14 last 71.16)
total: 8000 open/close in 117.54 seconds: 68.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 194 seconds
lru_size = 400
 - unlinked 0 (time 1789142014 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second
 - open/close 535 (time 1789142129.04 total 10.02 last 53.38)
 - open/close 1012 (time 1789142139.04 total 20.03 last 47.69)
 - open/close 1774 (time 1789142149.04 total 30.03 last 76.20)
 - open/close 2645 (time 1789142159.05 total 40.03 last 87.04)
 - open/close 3420 (time 1789142169.07 total 50.05 last 77.33)
 - open/close 4189 (time 1789142179.08 total 60.06 last 76.86)
 - open/close 4898 (time 1789142189.08 total 70.06 last 70.90)
 - open/close 5557 (time 1789142199.08 total 80.06 last 65.86)
 - open/close 6320 (time 1789142209.08 total 90.07 last 76.27)
 - open/close 7054 (time 1789142219.10 total 100.08 last 73.32)
 - open/close 7773 (time 1789142229.10 total 110.08 last 71.87)
total: 8000 open/close in 112.42 seconds: 71.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 8005
ls -la is 57% faster with lru resize enabled
 - unlinked 0 (time 1789142336 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second