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Load balanced configuration

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Dries Samyn	Thursday 24 June 2004 9:49:11 am Hi, I've got an eZ Publish install that is going to be load balanced over 3 servers. We're currently testing the setup, but seem to be having some problems. We use one "master" server for the admin interface pages, so only the public pages are load balanced. I assumed it would be ok to synch the cache files, but I am wondering now if that seems to be causing the problem (pages are timing out). Does this sound right? Is there a "common" way to set eZ Publish up for load balancing? If the cache files can't be synchronised between the servers, is there a way of telling the "slave" servers to re-cache when the cache has been deleted from the "master" server through the admin pages? Also, does the system cache content or only templates/pages? Thanks, Dries.
Björn Dieding@xrow.de	Thursday 24 June 2004 10:50:24 am You might consider getting professional support on this. The way you should setup your cluster is party depending what kind of site you have. You should work on those tips. - upgrade to a GB network if you have a seperate storage server - doublicate the ez root dir on every server - use the master to sync the storage between the servers (master should have admin area ) - make sure if a user can contribute data (no files) he should stick to one sever during his session A more detailed recommendation will be published by eZ soon. bjoern - http://xrow.de Looking for a new job? http://www.xrow.com/xrow-GmbH/Jobs Looking for hosting? http://hostingezpublish.com ----------------------------------------------------------------------------- GMT +01:00 Hannover, Germany Web: http://www.xrow.com/
Dries Samyn	Friday 25 June 2004 1:38:09 am What do you mean with "doublicate the ez root dir on every server"? The entire ezPublish webroot is synched every 15 minutes, but that's what we think might be the problem. "- use the master to sync the storage between the servers (master should have admin area )" This is the way it's set up. But the master is used to synch all files, not just storage. If you only synch the storage folder, how would the slave server(s) know when to clear the cache? There is no end user contribution on this site yet (no forums, comments etc). Thanks, Dries.

Author

Message

Dries Samyn

Thursday 24 June 2004 9:49:11 am

Hi,

I've got an eZ Publish install that is going to be load balanced over 3 servers.
We're currently testing the setup, but seem to be having some problems.
We use one "master" server for the admin interface pages, so only the public pages are load balanced.

I assumed it would be ok to synch the cache files, but I am wondering now if that seems to be causing the problem (pages are timing out).
Does this sound right? Is there a "common" way to set eZ Publish up for load balancing? If the cache files can't be synchronised between the servers, is there a way of telling the "slave" servers to re-cache when the cache has been deleted from the "master" server through the admin pages?

Also, does the system cache content or only templates/pages?

Thanks,

Dries.

Björn Dieding@xrow.de

Thursday 24 June 2004 10:50:24 am

You might consider getting professional support on this.

The way you should setup your cluster is party depending what kind of site you have.

You should work on those tips.

- upgrade to a GB network if you have a seperate storage server
- doublicate the ez root dir on every server
- use the master to sync the storage between the servers (master should have admin area )
- make sure if a user can contribute data (no files) he should stick to one sever during his session

A more detailed recommendation will be published by eZ soon.

bjoern
-
http://xrow.de

Looking for a new job? http://www.xrow.com/xrow-GmbH/Jobs
Looking for hosting? http://hostingezpublish.com
-----------------------------------------------------------------------------
GMT +01:00 Hannover, Germany
Web: http://www.xrow.com/

Dries Samyn

Friday 25 June 2004 1:38:09 am

What do you mean with "doublicate the ez root dir on every server"?
The entire ezPublish webroot is synched every 15 minutes, but that's what we think might be the problem.

"- use the master to sync the storage between the servers (master should have admin area )"
This is the way it's set up. But the master is used to synch all files, not just storage. If you only synch the storage folder, how would the slave server(s) know when to clear the cache?

There is no end user contribution on this site yet (no forums, comments etc).

Thanks,

Dries.