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Jean-Francois Nadeau wrote:
>
> Hi !
>
> I will use LVS 0.9.7 on a 2.2.12 kernel to load balance 2 or more Linux
> Apache web servers (Direct Routing and WRR algo).
>
> I use persitency with a big timeout (10 minutes).
>
> My fear is the proxy effect. Many of our clients are behind proxies (big
> ones !) and I fear this will unbalance our cluster because of the persitent
> timeout. I must be able to control the maximum number of ActiveConn to the
> real server.
>
Yeah, persistent virtual services may lead to the load imbalance among
servers.
> Do you know any workaround for that problem ?
>
Using some weight adapation approaches may help avoid that some
servers are overloaded for a long time. When the server is overloaded,
decrease its weight so that connections from new clients won't be sent
to that server. When the server is underloaded, increase its weight.
> Can we alter directly /proc/net/ip_masquerade ?
>
No, it is not feasible, because directly modifying masq entries will
cause the established connection broken.
Wensong
> Thanks in advance.
>
> JNA
>
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