Scaling in Oracle, Apache, Linux environment.

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2 total messages Started by Michael L. Delaney Mon, 06 Dec 1999 00:00

#31

Author: Michael L. Delaney
Date: Mon, 06 Dec 1999 00:00

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I have a need to break the Oracle database and Apache web servers to be
able to scale the web servers to accommodate up to 150,000 concurrent
hits.  If I take the traditional approach I would arm two database
servers with max RAM and array web servers in front of it.  The actual
DB access are very low throughput and is not the issue.  The big issue
is the webservers and how well they scale.  Any experiences and
recommendations would be greatly appreciated.



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Re: Scaling in Oracle, Apache, Linux environment.

#32

Author: Erik Barker
Date: Wed, 08 Dec 1999 00:00

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Have you looked into a hardware load-balancing solution?  The book "Redhat
Linux 6 Server" gave me some valuable info on future load-balancing options.
It touches on Round-Robin DNS (which I would stay away from) and also
mentions certain hardware solutions:

Cisco's Local Director                   http://www.cisco.com
Alteon's Ace Director                    http://www.alteon.com
Radware's Web Server Director    http://www.radware.com

These would fall in line behind your router and in front of your
switches/hubs directing traffic according to IP as needed.  The good thing
about a hardware solution is:

*Distributes load among multiple servers based on its network load,
availability of the underlying application, and even performance.
*Fault tolerant... If a server crashes of the desired application fails for
some reason, it will be taken out of the server farm and no traffic will be
directed towards the broken server.
*No delay in adding servers or taking down broken servers.
*The hardware is fully manageable as it can be told to load balance based on
network load, availability of the application itself, and performance.

Now I wish there was an OpenSource application for Linux that could also do
this.... maybe there is....

Hope this helps,

Erik Barker
Systems Manager

Michael L. Delaney <mdelaney@compaq.net> wrote in message
news:384C3704.1C2910E4@compaq.net...
> I have a need to break the Oracle database and Apache web servers to be
> able to scale the web servers to accommodate up to 150,000 concurrent
> hits.  If I take the traditional approach I would arm two database
> servers with max RAM and array web servers in front of it.  The actual
> DB access are very low throughput and is not the issue.  The big issue
> is the webservers and how well they scale.  Any experiences and
> recommendations would be greatly appreciated.
>
>
>

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