On 02/05/18 01:18, Utkarsh Dave wrote:
> Hello Team and Tomcat users,
>
> I am trying to gather more information and the effect of parameter
> "sessionCacheSize" in server.xml for a ssl connector.
> I see this from the documentation "The number of SSL sessions to maintain
> in the session cache."
See also:
https://docs.oracle.com/javase/8/docs/api/javax/net/ssl/SSLSessionContext.html#setSessionCacheSize-int-
This is where the provided value ends up.
> If i do not add this parameter...my tomcat slows down and all the web
> access becomes extremly slow within a couple of days.
> This is because by default "0" size is assigned to this parameter which
> means unlimited cached sessions.
> So we added the parameter with the value of sessionCacheSize=1
> What is the effect of 10k cached session on tomcat, can the problem reoccur
> once 10k sessions are cached back.
Each system will be different. The only way to know the impact on your
system is to test it.
> I am planning to modify it to test this with a value of sessionCacheSize=1.
> How can I test to come to a good value for sessioncachesize.
Profiling and testing.
Mark
> My product is using tomcat 7.0.81 (bio connector) with openjdk1.7.0.161 on
> Linux RedHat 6.
>
> -Thanks
> Utkarsh
>
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