How can I flush the connection table?

[Ken Brownfield]

Sounds great.  I assume it expires individual entries rather than the  
entire persistence table?

I have it enabled on my 2.6 LVS boxes and I'll give it a try.  Thanks!
-- 
Ken.

On Jun 30, 2006, at 12:15 AM, Horms wrote:

> In article <2242CF76-779F-4FF4-9F99-D1DE56811F17 at irridia.com> you  
> wrote:
>> In my experience, I've had to remove the real server entirely when I
>> have persistence active.  Unless of course you're willing to wait an
>> hour :).  But I also have had new connections continue to trickle in
>> to a zero-weight real server in the absence of persistence, so I
>> think there's also a general issue where a zero weight isn't
>> literally zero.
>>
>> I remove real servers within health monitoring in the general case,
>> as opposed to zero-weighting them.  If zero worked as expected, that
>> slightly drastic measure (hard connection interruptions, orphans)
>> wouldn't be necessary.
>
> I belive that the problem you are seeing is the problem that is
> addressed by /proc/sys/net/ipv4/vs/expire_quiescent_template
>
> expire_quiescent_template - BOOLEAN
>         0 - disabled (default)
>         not 0 - enabled
>
> 	When set to a non-zero value, the load balancer will expire
> 	persistant templates when the destination server is quiescent.
> 	This may be useful, when a user makes a destination server
> 	quiescent by setting its weight to 0 and it is desired that
> 	subsequent otherwise persistant connections are sent to a
> 	different destination server.  By default new persistant
> 	connections are allowed to quiescent destination servers.
>
> 	If this feature is enabled, the load balancer will expire the
> 	persistance template if it is to be used to schedule a new
> 	connection and the destination server is quiescent.
>
>
> (I'm currently trying to work out why that and related documentation
>  is missing from the kernel tree)
>
> http://archive.linuxvirtualserver.org/html/lvs-users/2004-02/ 
> msg00224.html
>
> -- 
> Horms
> H: http://www.vergenet.net/~horms/          W: http:// 
> www.valinux.co.jp/en/