May 22, 2013

Debugging problems with row based replication

MySQL 5.1 introduces row based binary logging. In fact, the default binary logging format in GA versions of MySQL 5.1 is ‘MIXED’ STATEMENT*;   The binlog_format  variable can still be changed per sessions which means it is possible that some of your binary log entries will be written in a row-based fashion instead of the [...]

When should you store serialized objects in the database?

A while back Friendfeed posted a blog post explaining how they changed from storing data in MySQL columns to serializing data and just storing it inside TEXT/BLOB columns. It seems that since then, the technique has gotten more popular with Ruby gems now around to do this for you automatically.

Finding your MySQL High-Availability solution – The questions

After having reviewed the definition my the previous post (The definitions), the next step is to respond to some questions. Do you need MySQL High-Availability? That question is quite obvious but some times, it is skipped. It can also be formulated “What is the downtime cost of the service?”. In the cost, you need to [...]

What to do with MySQL Full Text Search while migrating to Innodb ?

It is rather typical for systems to start as MyISAM but as system growths to move to Innodb. The reason of the move could be just desire for better data consistency guaranty or being bitten repairing multiple GB MyISAM table few times, though Table Locks is probably the most important issue – with modern multi [...]

Sphinx at MySQL Meetup at San Francisco

I will be presenting at upcoming MySQL Meetup at San Francisco this Thursday, August 13. I will talk about Sphinx covering the new cool features this search engine has as well as showing the demo on how simple it is to use Sphinx to implement high performance full text search for your MySQL driven application. [...]

Percona talks at OSCON

The OSCON 2009 is taking place next week and we have bunch of talks we’re presenting. I am presenting Full Text Search with Sphinx, MySQL Community Patches and Extensions and Goal Driven Performance Optimization. Vadim and Ryan have a talk XTraDB OpenSource Storage Engine for MySQL. This month OSCON is taking place in Silicon Valley [...]

Talking MySQL to Sphinx

In the recently released Sphinx version 0.9.9-rc2 there is a support for MySQL wire protocol and SphinxQL – SQL-like language to query Sphinx indexes. This support is currently in its early preview stage but it is still fun to play with. A thing to mention – unlike MySQL Storage Engines, some of which as InfoBright [...]

Sphinx Technologies launches Sphinx Support

A couple of weeks ago Sphinx Technologies, a company behind Sphinx Full Text Search Engine launched Sphinx Support Packages which I think is a great value for everyone using Sphinx in Production. This is also a great way to support the project and get something in return – even if you’re not actively using support [...]

Should you move from MyISAM to Innodb ?

There is significant portion of customers which are still using MyISAM when they come to us, so one of the big questions is when it is feasible to move to Innodb and when staying on MyISAM is preferred ? I generally prefer to see Innodb as the main storage engine because it makes life much [...]

Presentations from OpenSQLCamp Published

We have now published presentations from OpenSQLCamp at Percona Presentation pages Percona MySQL Patches is a great presentation to see Percona Patches for MySQL in action, showing how you can use them to get more understanding of your server load and improve server performance, as well as how they can improve performance all together. Sphinx [...]