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MySQL Feed

Oracle MySQL resources, news, and support articles.

Introducing the “Version Check” Feature in Percona Toolkit

Recently there has been a storm of bugs and problems in all variants of MySQL including MySQL, Percona Server, and MariaDB. To list a few:

Adaptive flushing in MySQL 5.6 – cont

This is to continue my previous experiments on adaptive flushing in MySQL 5.6.6. Now I am running Ubuntu 12.04, which seems to provide a better throughput than previous system (CentOS 6.3), it also changes the profile of results.

MySQL Cluster 7.2.8 Released

The binary version for MySQL Cluster 7.2.8 has now been made available at (GPL version) or (comme

How to obtain the “LES” (Last Executed Statement) from an Optimized Core Dump?

Ever ran into a situation where you saw “some important variable you really needed to know about=” while debugging? Let’s look at an example:

Announcing innotop 1.9.0

I’ve just released innotop version 1.9.0. This version fixes a lot of bugs, makes the tool work better when monitoring dozens of MySQL servers, and adds two new modes: a Health Dashboard and an InnoDB Blockers/Blocked mode.

Last day to save $500 on MySQL Connect Conference

Register today, SPETEMBER 7th, to save $200 on the registration for the MySQL Connect Conference. This will be the biggest technical conference on MySQL. There will be tracks on Application Development, Architecture and Design, Cloud Computing, Database Administration, High Availability, and Performance and Scalability.

Intel SSD 910 in tpcc-mysql benchmark

I continue my benchmarks of Intel SSD 910, the raw IO results are available in my previous experiment. Now I want to test this card under MySQL workload to see if the card is suitable to use with MySQL.

Announcing Percona XtraDB Cluster 5.5.27-23.6

Percona is glad to announce the release of Percona XtraDB Cluster on September 7th, 2012. Binaries are available from downloads area or from our software repositories.


Measuring free space in InnoDB’s global tablespace

With innodb_file_per_table=1, InnoDB places every table’s data and indexes in a separate .ibd file, but there is still a “global” system tablespace, stored by default in a file named ibdata1. This contains some of each table’s data, such as the undo log and insert buffer. If it is fixed-size, you can fill it up and crash the server, as I’ve mentioned in a few recent blog posts.

Great Talks on Percona Live,NY!, Free Pass opportunity inside

You surely have heard about Percona Live,NY taking place October 1-2 in New York, you however might have been wondering what kind of talks you would see on this event and why would should you attend.

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