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Converting Mysql to mysql cluster

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My site is using mysql and PHP, now for the scale purpose want to introduce mysql-cluster. Few questions are -
1. Do I need to change any code which is written in PHP.
2. What are the steps to convert mysql to mysql-cluster.

Appreciate the help.

posted Mar 27, 2013 by Salil Agrawal

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1 Answer

+1 vote
Best answer

1) The answer is "yes and no". There's a good chance that your application will work fine with MySQL Cluster without any changes *but* there are a few gotchas such as:

 - the current GA version of MySQL Cluster (7.2) doesn't implement Foreign Keys (coming in Cluster 7.3)
 - (ignoring BLOBs) rows cannot be larger than 13 Kb
 - no geo-spatial indexes
 - no full-text search

A good place to get more information is

That guide also gives you some advice on scenarios where you *shouldn't* use MySQL Cluster.

In addition, as you should expect, to get the best performance out of MySQL Cluster you may want to tweak your schema and/or application. You can get lots of tips from

2) Basically, you need to backup your database (mysqldump), load it into a MySQL Server that's part of your Cluster (use to get your first Cluster up and running and then issue ALTER TABLE ENGINE=ndb;

answer Mar 27, 2013 by anonymous
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