Forum Discussion

Gea-Suan_Lin_34's avatar
Gea-Suan_Lin_34
Icon for Nimbostratus rankNimbostratus
Dec 24, 2009

About 100% tmm cpu (50% in dual CPU) usage for BIG-IP 6400 LTM

Hello,     We use two F5 BIG-IP 6400 LTM for Active-Standby mode. I've found that our tmm use 50% CPU resource in 6400 (in fact it's 100% in cpu01). First question is, is this normal behavi...
application delivery
design
performance
testing
hooleylist's avatar
hooleylist
Icon for Cirrostratus rankCirrostratus
Dec 28, 2009
Which LTM version are you running? Are you seeing 100% CPU usage by TMM from the top utility?

 

 

Take a look at SOL3242 ([url]https://support.f5.com/kb/en-us/solutions/public/3000/200/sol3242.html[/url]) for details on ways to accurately measure TMM CPU usage. tmstat is a handy utility you can use to get accurate metrics for TMM CPU and memory usage from the command line.

 

 

This post has some related info as well:

 

 

Performance question

 

http://devcentral.f5.com/Default.aspx?tabid=53&forumid=40&tpage=1&view=topic&postid=30164

 

 

Aaron