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mod_rewrite and clustering
Any issues?
sugarkane

WebmasterWorld Senior Member 10+ Year Member



 
Msg#: 465 posted 10:04 pm on Oct 25, 2000 (gmt 0)

I have a project over the next few months to bring our hosting in-house.

I am looking at using Apache's rewrite and proxy modules to provide a means of load sharing and resilience by randomly choosing from a cluster of mirrored servers.

I have understood (I think ;) the way to do it, but I suddenly had an awful thought: will this be detectable in any way to SEs ie will the http responses be any different?

I do not use cloaking as our rankings are mainly based on theming and link pop, so I'd hate to set any alarm bells ringing, as I understand that mod_rewrite is widely used for cloaking?

I'd hugely welcome any comments from anyone who's attempted this kind of thing.

Thanks :)

 

littleman

WebmasterWorld Senior Member littleman us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 465 posted 10:19 pm on Oct 25, 2000 (gmt 0)

I can't say I've done it but many of mod_rewrite's functions happen behind the sense. That is *why* people incorporate it into their cloaking systems.

sugarkane

WebmasterWorld Senior Member 10+ Year Member



 
Msg#: 465 posted 10:40 pm on Oct 25, 2000 (gmt 0)

Thanks littleman, I thought that was the case.

It's the proxy side of it that worries me slightly, but I have no hard info.

I think I'm probably just being a bit jumpy about it all :)

littleman

WebmasterWorld Senior Member littleman us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 465 posted 11:03 pm on Oct 25, 2000 (gmt 0)

[devshed.com ]
You've probably have seen this...
But if not, look under the "Clustering with Apache" heading.

sugarkane

WebmasterWorld Senior Member 10+ Year Member



 
Msg#: 465 posted 11:19 pm on Oct 25, 2000 (gmt 0)

Yep, this was the model I've been working off, but thanks anyway. I actually bought the book (shock! horror!).

The rewrite method seems like a nice solution which I plan to finesse with dual proxies amd scripts to enable selection of only 'alive' servers etc.

Has anyone had any experience with the DNS methods mentioned?

DaveAtIFG

WebmasterWorld Senior Member 10+ Year Member



 
Msg#: 465 posted 10:17 pm on Oct 26, 2000 (gmt 0)

If you haven't seen it you may find this [engelschall.com] useful. If I understand what I've read correctly there and in the Apache docs, you can make these redirects visible or transparent to visitors depending on how you implement them.

sugarkane

WebmasterWorld Senior Member 10+ Year Member



 
Msg#: 465 posted 11:40 pm on Oct 26, 2000 (gmt 0)

Thanks!
Extremely useful :)

DaveAtIFG

WebmasterWorld Senior Member 10+ Year Member



 
Msg#: 465 posted 12:13 am on Oct 27, 2000 (gmt 0)

I assumed you have them, but if not here's [apache.org] the Apache docs.

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