Search Results for: information_schema table size

MySQL upgrade best practices

MySQL upgrades are necessary tasks and we field a variety of questions here at Percona Support regarding MySQL upgrade best practices. This post highlights recommended ways to upgrade MySQL in different scenarios. Why are MySQL upgrades needed? The reasons are many and include: Access to new features, performance benefits, bug fixes…. However, MySQL upgrades can […]

Row-based replication, MySQL 5.6 upgrades and temporal data types

Whither your rollback plan? MySQL 5.6 upgrades are in full swing these days and knowing how to safely upgrade from MySQL 5.5 to 5.6 is important. When upgrading a replication environment, it’s important that you can build a migration plan that safely allows for your upgrade with minimal risk — rollback is often a very […]

Percona XtraBackup – A workaround to the failed assertion bug

I recently conducted a test backup of my “master-slave” setup in my VirtualBox as I was migrating from Percona Server 5.6.12 to version 5.6.13-rel61.0 with Percona XtraBackup v2.2.0 rev. 4885. However, doing the backup on my slave, I encountered this problem:

This is related to a bug posted by my colleague George https://bugs.launchpad.net/percona-xtrabackup/+bug/1177201. While I was […]

Innotop: A real-time, advanced investigation tool for MySQL

GUI monitoring tools for MySQL are not always suitable for all our needs or situations. Most of them are designed to provide historical views into what happens to our database over time rather then real-time insight into current MySQL server status. Excellent free tools for this include Cacti, Zabbix, Ganglia, Nagios, etc. But each of […]

Percona Server 5.6.13-60.5 third Release Candidate is now available

Percona is glad to announce the third Release Candidate of Percona Server 5.6.13-60.5 (downloads are available here and from the Percona Software Repositories). The final release is almost ready. Thank you to everyone who has been testing and filing bugs. You’ve been a big help and we can’t wait for you to see the fantastic […]

Schema changes – what’s new in MySQL 5.6?

Among many of the improvements you can enjoy in MySQL 5.6, there is one that addresses a huge operational problem that most DBAs and System Administrators encounter in their life: schema changes. While it is usually not a problem for small tables or those in early stages of product life cycle, schema changes become a […]

Percona Server 5.1.70-14.8 now available

Percona is glad to announce the release of Percona Server 5.1.70-14.8 on July 3nd, 2013 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.1.70, including all the bug fixes in it, Percona Server 5.1.70-14.8 is now the current stable release in the 5.1 series. All of Percona‘s software is open-source and free, all the details of the release […]

Percona Server 5.5.32-31.0 now available

Percona is glad to announce the release of Percona Server 5.5.32-31.0 on July 2nd, 2013 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.32, including all the bug fixes in it, Percona Server 5.5.32-31.0 is now the current stable release in the 5.5 series. All of Percona‘s software is open-source and free, all the details of the release […]

Percona XtraDB Cluster 5.5.31-23.7.5 now available

Percona is glad to announce the release of Percona XtraDB Cluster 5.5.31-23.7.5 on June 25, 2013. Binaries are available from the downloads area or from our software repositories. New Features: Information about the wsrep sequence number has been added to INFORMATION_SCHEMA.INNODB_TRX table. Percona XtraDB Cluster can now be bootstrapped with the new bootstrap-pxc option in […]