Thread (17 messages) flat view 17 messages, 2 authors, 2012-06-20

10GBE performance drop with net.ipv4.tcp_timestamps=0

From: Stefan Priebe <hidden>
Date: 2012-06-19 21:08:07

Hello List,

i'm testing 10GBE speed with tweo servers. One with 3.5-rc3 nd thoe 
other one whith RHEL 6 (2.6.32 kernel).

I noticed that setting
net.ipv4.tcp_timestamps=0

descreased the performance from 9,7 Full Duplex to 3-4Gb/s.

Is this bahviour fine? What should / could i tet?

Greets
Stefan
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help