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Livius's avatar
Livius
Icon for Altostratus rankAltostratus
Jan 10, 2018

Aggressive mode sweeper: Connections killed, CPU 100%

Hi,

 

We saw following entries in the logs : Aggressive mode sweeper: 2 Connections killed

 

correlated with a 100% cpu spike when 1M connection limit is hit.

 

Where can we see what is the maximum number of connections the F5 can handle? We are running a vcmp gust with 6 vCPU allocation.

 

Cheers, Liviu

 

application delivery
LTM

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  • Chris_Grant's avatar
    Chris_Grant
    Icon for Employee rankEmployee
    Jan 11, 2018

    There is no hard and fast number of connections a VE can handle. It's based on the amount of CPU and RAM available. For instance, a system running standard virtual servers on LTM will be able to run more connections than a system running ASM on those same virtual servers. It also depends on things like the number of iRules you have, etc.

     

    So the short answer is that there is no answer for your question. If you start to see a lot of these errors, then you may want to look at upgrading your VEs to have more resources. If they only occur on rare occasions, then it's probably not something to worry about.