Shinguz: Deadlocks, indexing and Primary Key's
Taxonomy upgrade extras: deadlocklockindexprimary keyinnodbtuningperformanceOptimizerquery execution planexplainRecently a customer has shown up with some deadlocks occurring frequently. They were of...
View ArticleUnderstanding mysql_config_editor’s security aspects
The recent release of 5.6.6 includes a new utility, mysql_config_editor, which makes it easier to interact with MySQL clients securely. At the same time, it’s easy to overstate the security benefits...
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31 Essential Blogs for Startups & Scalability
Read the original article at 31 Essential Blogs for Startups & ScalabilitySo many blogs, so little time! Here’s our list of the best we’ve found. Currently our favorite reader is Pulse pictured...
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Fixing things the proper way
I short while ago one of our customers (through SkySQL) notified us of an unexpected problem in MySQL 5.5.25 regarding Query cache on partitioned tables.Looking at the bug report (opened in 2010) one...
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Installing Lighttpd With PHP5 (PHP-FPM) And MySQL Support On CentOS 6.3
Installing Lighttpd With PHP5 (PHP-FPM) And MySQL Support On CentOS 6.3 Lighttpd is a secure, fast, standards-compliant web server designed for speed-critical environments. This tutorial shows how you...
View ArticleMySQL 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...
View ArticleWhere 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....
View ArticleMySQL LDAP Authentication Plugin (Clear password client plugin)
Based on my last post MySQL LDAP Authentication Plugin, I received feedback from MySql Joro Blog by Oracle. They told me: Insted of writing (and having to deply) your own client plugin you probably can...
View ArticleOurSQL Episode 104: Making a Connection, part 2
This week we talk about sessions at MySQL Connect we think will be interesting to DBAs. Ear Candy is Python's Fabric library and command-line tool and At the Movies is Johan Andersson of Severalnines...
View ArticleDisappearing test cases or did another part of MySQL just become closed source?
About a week ago I was looking at MySQL 5.5.27, and noticed a curious thing. Despite the fact that the new MySQL release contained its usual share of bug fixes, not a single one of them was accompanied...
View ArticlePercona 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: Fully Synchronous replication with...
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(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...
View ArticleSSL-related MySQL Bug #62743 Fixed Recently
I was very pleased to see that the SSL-related MySQL Bug #62743 was just fixed. Here is the bug for reference: http://bugs.mysql.com/bug.php?id=62743 In essence, the –ssl-key value was not validated,...
View ArticleRunning Standard Deviation in MySQL
Calculating the standard deviation in MySQL is a no-brainer by using the build-in aggregate function STDDEV(). If you don't need the original data and only want to save aggregated values in your...
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MySQL Workbench Scripts
It’s always interesting when somebody asks why they got an error message, and especially sweet when you’re working on something related that lets you answer the question. They were using MySQL...
View ArticleLog Buffer #282, A Carnival of the Vanities for DBAs
Blogging is the way to express an idea in an informal way by a person, who has either worked with it, or planning to work with it, or has seen it at work. In databases, ideas are the foundations of...
View ArticleMySQL Windows installer mess.
It now seems impossible to maintain different ‘major’ MySQL servers on the same Windows machine using automated installers. Refer: http://bugs.mysql.com/bug.php?id=66395 and...
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Attending MySQL Connect 2012
In the last weekend of September, MySQL Connect 2012 will take place in San Francisco as part of Oracle OpenWorld. MySQL Connect is a two day event that allows the attendees to focus on MySQL with the...
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MySQL Workbench Utilities – Administer MySQL with Python Scripts
Over the next few months, I am going to be writing about the MySQL Utilities, and I will be posting links to each individual blog on this page. If you haven’t heard of the MySQL Utilities (from the...
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MySQL Workbench Utilities – Clone MySQL users with mysqluserclone
This post is one in a series that I will be doing on MySQL Workbench Utilities – Administer MySQL with Python Scripts. MySQL Utilities are a part MySQL Workbench. The utilities are written in Python,...
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