Comments on: Database Shards and CakePHP http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/?utm_source=rss&utm_medium=rss&utm_campaign=rss Facebook should've be written in unicornSchemaLang, because everyone *knows* that PHP is no good for anything, right? Fri, 30 Jul 2010 05:30:02 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: Chris Hartjes http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/comment-page-1/#comment-6928 Chris Hartjes Tue, 07 Aug 2007 17:20:47 +0000 http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/#comment-6928 @wluigi: some of it could be there, but tell me how you would handle this situation: 4 different servers that you can read or write to depending on what server a particular record is located on? @wluigi: some of it could be there, but tell me how you would handle this situation: 4 different servers that you can read or write to depending on what server a particular record is located on?

]]> By: wluigi http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/comment-page-1/#comment-6926 wluigi Tue, 07 Aug 2007 14:45:07 +0000 http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/#comment-6926 shouldn't it be stored in the model, like useTable, useDBConfig ? shouldn’t it be stored in the model, like useTable, useDBConfig ?

]]> By: Chris Hartjes http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/comment-page-1/#comment-6916 Chris Hartjes Sun, 05 Aug 2007 17:42:17 +0000 http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/#comment-6916 @tarique: Unfortunately, to make shards work properly you have to denormalize your data, which means doing stuff with associations is very difficult. @pcdinh: There is no trick to implementing shards in PHP: I can think of a few ways to do it right off the top of my head, but I was trying to think of where to put the code in the context of CakePHP and it looks like a behavior for reads and in beforeSave() for a model is the way I would go (without having done further research myself) @tarique: Unfortunately, to make shards work properly you have to denormalize your data, which means doing stuff with associations is very difficult.

@pcdinh: There is no trick to implementing shards in PHP: I can think of a few ways to do it right off the top of my head, but I was trying to think of where to put the code in the context of CakePHP and it looks like a behavior for reads and in beforeSave() for a model is the way I would go (without having done further research myself)

]]> By: pcdinh http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/comment-page-1/#comment-6915 pcdinh Sun, 05 Aug 2007 17:07:09 +0000 http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/#comment-6915 Just be curious on how to implementing sharding in PHP. A Java-based one has come up here: http://www.hivedb.org/ Just be curious on how to implementing sharding in PHP. A Java-based one has come up here: http://www.hivedb.org/

]]> By: Tarique Sani http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/comment-page-1/#comment-6912 Tarique Sani Sat, 04 Aug 2007 04:29:11 +0000 http://www.littlehart.net/atthekeyboard/2007/08/03/database-shards-and-cakephp/#comment-6912 The problem which has me stumped in sharding with cakePHP is how and where to store the associated data of a shraded table. Most often an application has a main model eg: Hotels (or in your case the users) and we can shard that. I was considering storing the associated on the same shard server.... hasOne, hasMany and to an extent belongsTo can work fine but how does one handle hasAndBelongsToMany? The problem which has me stumped in sharding with cakePHP is how and where to store the associated data of a shraded table. Most often an application has a main model eg: Hotels (or in your case the users) and we can shard that.

I was considering storing the associated on the same shard server…. hasOne, hasMany and to an extent belongsTo can work fine but how does one handle hasAndBelongsToMany?

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