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MySQL Feed

Oracle MySQL resources, news, and support articles.

(less) open source

Regression tests for some bugs are not published in new MySQL releases. This was reported by the MariaDB project and Ronald. There are also delays in updating bzr after recent releases, but there have been delays in the past. Questions about what has changed have not been answered, so we are left to guess.

Percona XtraDB Cluster: Multi-node writing and Unexpected deadlocks

Percona XtraDB Cluster (PXC) and the technology it uses (Galera) is an exciting alternative to traditional MySQL replication.  For those who don’t know, it gives you:

Where to get a BZR tree of the latest MySQL releases

I just posted this to the MySQL Internals mailing list:

Hi all,

Like many of you, I’m disappointed that the bzr trees for MySQL are out
of sync with the tarball source and binary releases from Oracle.

Since Oracle has been silent on this, and this is a recurring problem,
I’ve decided to attempt to help the situation.

MySQL Indexing Best Practices: Webinar Questions Followup

I had a lot of questions on my MySQL Indexing: Best Practices Webinar (both recording and slides are available now) We had lots of questions. I did not have time to answer some and others are better answered in writing anyway.

How to export your Previous Recipients addresses from Mac Mail

Mail’s Mail.app keeps a list of recent recipients, but it doesn’t let you export them to a file. You could do as some others on the Internet have suggested and grep the file of addresses for everything that looks like an email address, or you could work with your system instead of against it!

The trick is twofold: knowing where the addresses are stored, and knowing how. They’re stored in a file in your user directory, Library/Application Support/AddressBook/MailRecents-v4.abcdmr.

MySQL client password security

In case you missed it, MySQL 5.6.6, also known as Milestone 9, was recently released. I have yet to install this, however just one part of the MySQL 5.6.6 Release Notes makes placing installing and testing high on my TODO list.

When is a crashing MySQL bug not a bug?

Answer: When Oracle acknowledges the bug in 5.5.25 (to the owner only), corrects the bug in 5.5.27 (to the owner only), yet hides all information of its existence.

Ways to export MySQL result set to file on client side

Problem: you wish to write table data to file, but you wish to do so on client side.

SELECT ... INTO OUTFILE writes the file on server. What are your options on client?

1. mysql client

If you have direct access from your client machine to your DB server machine, and can connect via mysql client, you get a very customizable file write:

Announcing Percona Server 5.6 Alpha

We are very happy to announce our first alpha of Percona Server 5.6. Based on MySQL 5.6.5 and all the improvements contained within, this is the first step towards a full Percona Server 5.6 release.

Binaries are available to download from our downloads site here: http://www.percona.com/downloads/Percona-Server-5.6/Percona-Server-5.6.5-alpha60.0/

Announcing Percona XtraBackup 2.0.2

Percona is glad to announce the release of Percona XtraBackup 2.0.2 on August 13th, 2012. Downloads are available from our download site here and Percona Software Repositories.

This release is the current GA (Generally Available) stable release in the 2.0 series.

Bugs Fixed:

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