About the "mysql_connect(): Headers and client library minor version mismatch" warning

After having MySQL 5.6.17 published, some users complained about a warning thrown by their PHP applications : PHP Warning: mysql_connect(): Headers and client library minor version mismatch. Headers:50535 Library:50617 In fact, this could happen with any application linked to libmysqlclient18 in a certain version ( php5-mysql from Dotdeb is linked to the 5.5.35 version from the stock Debian distribution) when connecting to a MySQL server in another version (5.6.17 in our case). The warning is thrown by libmysqlclient18 itself. And this is just a warning, there is no reason why any bad behavior would happen in that case. ...

April 3, 2014 · Guillaume Plessis

MySQL 5.6.17 for Wheezy

After months of work in (slow) progress, I’m glad to announce that packages of MySQL 5.6.17 are now available for Debian 7.4 “Wheezy” on both amd64 and i386 architectures. This is our first major release of the MySQL 5.6 branch, so be very careful when upgrading your boxes : backup your data first, keep a spare/ delayed MySQL slave… And be sure to know in details what’s new in MySQL 5.6 : ...

April 2, 2014 · Guillaume Plessis

Percona toolkit 2.2.6

Percona toolkit 2.2.6 is now available on Dotdeb for both Debian 7.0 “Wheezy” and Debian 6.0 “Squeeze”. This release has 16 bug fixes and a few new features. One bug fix is very important, so 2.2 users are strongly encouraged to upgrade. As usual, before upgrading, please read the list of changes for Percona toolkit 2.2.6 and the announcement by Hrvoje Matijakovic.

January 24, 2014 · Guillaume Plessis

Percona toolkit 2.2.5

Percona toolkit 2.2.5 is now available on Dotdeb for both Debian 7.0 “Wheezy” and Debian 6.0 “Squeeze”. It fixes 5 bugs as well as 4 new features. As usual, before upgrading, please read the list of changes for Percona toolkit 2.2.5 and the announcement by Hrvoje Matijakovic.

November 5, 2013 · Guillaume Plessis

Percona toolkit 2.2.4

Percona toolkit 2.2.4 is now available on Dotdeb for both Debian 7.0 “Wheezy” and Debian 6.0 “Squeeze”. It fixes 4 bugs as well as 2 new features : pt-query-digest has a new option, --output json-anon, that provides the same data as --output json without query examples pt-online-schema-change now outputs the current timestamp for operations that may take a while As usual, before upgrading, please read the list of changes for Percona toolkit 2.2.4 and the announcement by Hrvoje Matijakovic. ...

July 31, 2013 · Guillaume Plessis

Percona toolkit 2.2.3

Percona toolkit 2.2.3 is now available on Dotdeb for both Debian 7.0 “Wheezy” and Debian 6.0 “Squeeze”. It fixes bugs in the previous release and includes the following changes : pt-online-schema-change did not handle the failure of the DROP TRIGGER statements correctly Created pt-agent pt-query-digest –output json now includes more data As usual, before upgrading, please read the list of changes for Percona toolkit 2.2.3 and the announcement by Matt Griffin. ...

July 1, 2013 · Guillaume Plessis

MySQL 5.5.31 for Squeeze

Packages of MySQL 5.5.31 are now available for Debian 6.0 “Squeeze” on both amd64 and i386 architectures. They fix some serious vulnerabilities and InnoDB-, partition- and replication-related bugs as well. Please note that the Pinba engine has also been rebuilt to be used against this new version. As usual, please read carefully the full Changelog before upgrading.

May 19, 2013 · Guillaume Plessis

Percona toolkit 2.2.1

Percona toolkit 2.2.1 is now available on Dotdeb for Debian 6.0 “Squeeze”. It supports MySQL 5.6 and Percona XtraDB Cluster, and brings some more changes : pt-online-schema-change ( pt-osc) is much more resilient pt-upgrade is brand-new pt-query-digest is simpler Version check is on by default pt-query-advisor, pt-tcp-model, pt-trend, and pt-log-player are gone pt-stalk and pt-mysql-summary have built-in MySQL options pt-stalk --no-stalk is no longer magical pt-fk-error-logger and pt-deadlock-logger are standardized As usual, please read the list of changes for Percona toolkit 2.2.1 before upgrading. ...

March 26, 2013 · Guillaume Plessis

Percona toolkit 2.1.9

Percona toolkit 2.1.9 is now available on Dotdeb for Debian 6.0 “Squeeze”. It includes many bug fixes and it is worth upgrading to, especially if you were affected by the backwards-incompatible changes to pt-heartbeat in 2.1.8. Take a look at this blog post by Daniel Nichter for more info. As usual, please read the list of changes for Percona toolkit 2.1.9 before upgrading. ...

February 19, 2013 · Guillaume Plessis

MySQL 5.5.30

Packages of MySQL 5.5.30 are now available for Debian 6.0 “Squeeze” on both amd64 and i386 architectures. They fixes some InnoDB-, partition- and replication-related issues and some more bugs. And a new configuration directive, called innodb_print_all_deadlocks, has been backported from MySQL 5.6. Please note that the Pinba engine has also been rebuilt to be used against this new version. As usual, please read carefully the full Changelog before upgrading. ...

February 5, 2013 · Guillaume Plessis