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Re: Loadbalancing multiple SQUID parents using a parent persistence sele

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Loadbalancing multiple SQUID parents using a parent persistence selection per client connection
From: Roberto Nibali <ratz@xxxxxxxxxxxx>
Date: Mon, 18 Mar 2002 22:28:52 +0100
Hello Joe

Good timing ;)

Is there a reason you can't simply tie each Squid to one parent? i.e. to redraw your diagram, something like this:

 >                      +----------------------------+
 >                      |          Internet          |
 >                      +----------------------------+
 >                          |        |           |
 >         +----------------+        |           +-----------+
 >         |                         |                       |
 > +----------------+       +----------------+       +----------------+
 > | PROXY-PARENT-1 |       | PROXY-PARENT-2 |       | PROXY-PARENT-3 |
 > +----------------+       +----------------+       +----------------+
 >         |                         |                       |
 > +---------------+        +---------------+        +---------------+
 > | SQUID-PROXY-1 |        | SQUID-PROXY-2 |        | SQUID-PROXY-3 |
 > +---------------+        +---------------+        +---------------+
 >         |                        |                        |
 >         +--------------+         |              +---------+
 >                        |         |              |
 >                      +----------------------------+
 >                      |        LoadBalancer        |
 >                      +----------[ VIP ]-----------+

Ahh, I hope he likes that. This makes a lot more sense.
This will lead to occasional 'hot spots' on one cache and proxy or another (this is kind of unavoidable with a destination hash based scheduler), but should generally lead to a pretty good balance most of the time.

I agree on that.

Cheers,
Roberto Nibali, ratz




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