Search squid archive

Re: Load Balancing Query

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Amos,

Thanks for that,

so I need to use carp and sourcehash to do load balancing, right?

but where do I specify in squid to monitor the prots?

I mean if port 8080 is down on 'ServerA' how Squid will know that it
should send the request to 'ServerB' on port 8080?

//Remy

On Mon, 2009-06-15 at 23:05 +1200, Amos Jeffries wrote:
> Mario Remy Almeida wrote:
> > Hi All,
> > 
> > Want to know if load balancing is possible with squid by maintaining
> > sessions.
> > Health check should be TCP Ports
> > 
> > eg:
> > Server A -> Active port 8080
> > Server B -> Active port 8080
> > 
> > Client -> Squid -> Server A and/or B
> > 
> > Request 1 comes from 'Client A' Squid forwards the request to 'Server A'
> > Request 2 comes from 'Client A' Squid forwards the request to 'Server A'
> > and so on
> > any further request from 'Client A' squid should only forward to 'Server
> > A' until the session is same
> > 
> > if
> > 
> > Request 1 comes from 'Client B' Squid forwards the request to 'Server B'
> > Request 2 comes from 'Client B' Squid forwards the request to 'Server B'
> > 
> > if 'Server A' fails Squid should forward all the request to 'Server B'
> > 
> > //Remy
> > 
> 
> 
> HTTP is stateless. It contains no such thing as sessions. That is a 
> browser feature.
> 
> What you are looking for is something like CARP or sourcehash peering 
> algorithms. They keep all requests for certain URLs sent to the same 
> place (CARP) or all requests for the same IP to the same place (sourcehash).
> 
> see
> http://www.squid-cache.org/Doc/config/cache_peer
> 
> 
> Amos

> 


------------------------------------------------------------------------------
Disclaimer and Confidentiality


This material has been checked for  computer viruses and although none has
been found, we cannot guarantee  that it is completely free from such problems
and do not accept any  liability for loss or damage which may be caused.
Please therefore  check any attachments for viruses before using them on your
own  equipment. If you do find a computer virus please inform us immediately
so that we may take appropriate action. This communication is intended  solely
for the addressee and is confidential. If you are not the intended recipient,
any disclosure, copying, distribution or any action  taken or omitted to be
taken in reliance on it, is prohibited and may be  unlawful. The views
expressed in this message are those of the  individual sender, and may not
necessarily be that of ISA.

[Index of Archives]     [Linux Audio Users]     [Samba]     [Big List of Linux Books]     [Linux USB]     [Yosemite News]

  Powered by Linux