== sanity test 124b: lru resize (performance test) ================================================================================= 13:45:50 (1788630350)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 802 (time 1788630365.34 total 10.01 last 80.16)
 - open/close 1542 (time 1788630375.34 total 20.01 last 73.99)
 - open/close 2285 (time 1788630385.35 total 30.01 last 74.24)
 - open/close 3040 (time 1788630395.35 total 40.02 last 75.46)
 - open/close 3820 (time 1788630405.36 total 50.03 last 77.94)
 - open/close 4658 (time 1788630415.37 total 60.03 last 83.76)
 - open/close 5495 (time 1788630425.38 total 70.05 last 83.59)
 - open/close 6201 (time 1788630435.38 total 80.05 last 70.56)
 - open/close 6784 (time 1788630445.40 total 90.07 last 58.21)
 - open/close 7294 (time 1788630455.42 total 100.08 last 50.91)
 - open/close 7775 (time 1788630465.43 total 110.10 last 48.04)
total: 8000 open/close in 113.67 seconds: 70.38 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 1788630643 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second
 - open/close 704 (time 1788630754.93 total 10.00 last 70.38)
 - open/close 1386 (time 1788630764.93 total 20.01 last 68.15)
 - open/close 2239 (time 1788630774.94 total 30.02 last 85.27)
 - open/close 3104 (time 1788630784.94 total 40.02 last 86.45)
 - open/close 3947 (time 1788630794.94 total 50.02 last 84.29)
 - open/close 4699 (time 1788630804.95 total 60.03 last 75.12)
 - open/close 5488 (time 1788630814.96 total 70.03 last 78.89)
 - open/close 6314 (time 1788630824.96 total 80.04 last 82.57)
 - open/close 6982 (time 1788630834.97 total 90.05 last 66.75)
 - open/close 7679 (time 1788630844.98 total 100.06 last 69.61)
total: 8000 open/close in 104.24 seconds: 76.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788630966 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second