Search Results for: mysql 2 server

Percona XtraDB Cluster 5.6.22-25.8 is now available

Percona is glad to announce the new release of Percona XtraDB Cluster 5.6 on March 5th 2015. Binaries are available from downloads area or from our software repositories. Based on Percona Server 5.6.22-72.0 including all the bug fixes in it, Galera Replicator 3.9, and on Codership wsrep API 25.8, Percona XtraDB Cluster 5.6.22-25.8 is now […]

Percona Server 5.6.23-72.1 is now available

Percona is glad to announce the release of Percona Server 5.6.23-72.1 on March 4, 2015. Download the latest version from the Percona web site or from the Percona Software Repositories. Based on MySQL 5.6.23, including all the bug fixes in it, Percona Server 5.6.23-72.1 is the current GA release in the Percona Server 5.6 series. Percona Server is open-source […]

Emulating MySQL roles with the Percona PAM plugin and proxy users

From time to time people wonder how to implement roles in MySQL. This can be useful for companies having to deal with many user accounts or for companies with tight security requirements (PCI or HIPAA for instance). Roles do not exist in regular MySQL but here is an example on how to emulate them using […]

3 handy tools to remove problematic MySQL processes

DBAs often encounter situations where they need to kill queries to ensure there are no long-running queries on a MySQL server that would impact performance. Long-running queries can be the result of many factors. Fortunately, Percona Server contains some handy tools to remove problematic MySQL processes. I will highlight all of the tools via some […]

Is MySQL’s innodb_file_per_table slowing you down?

MySQL’s innodb_file_per_table is a wonderful thing – most of the time. Having every table use its own .ibd file allows you to easily reclaim space when dropping or truncating tables. But in some use cases, it may cause significant performance issues. Many of you in the audience are responsible for running automated tests on your […]

Percona submits 7 talks for Vancouver OpenStack Summit (voting ends Feb. 23)

Percona has submitted seven talks for the next OpenStack Summit in Vancouver this May. And as with all OpenStack Summit events, the community decides the content. Voting ends February 23, and if you aren’t already an OpenStack Foundation member (required to vote), you can join now for free here. Percona’s Vancouver OpenStack Summit proposals Percona’s […]

Percona XtraBackup 2.2.9 is now available

Percona is glad to announce the release of Percona XtraBackup 2.2.9 on February 17, 2015. Downloads are available from our download site or Percona Software Repositories. Percona XtraBackup enables MySQL backups without blocking user queries, making it ideal for companies with large data sets and mission-critical applications that cannot tolerate long periods of downtime. Offered […]

‘Indexing’ JSON documents for efficient MySQL queries over JSON data

MySQL meets NoSQL with JSON UDF I recently got back from FOSDEM, in Brussels, Belgium. While I was there I got to see a great talk by Sveta Smirnova, about her MySQL 5.7 Labs release JSON UDF functions. It is important to note that while the UDF come in a 5.7 release it is absolutely […]

Percona XtraDB Cluster 5.6: a tale of 2 GTIDs

Say you have a cluster with 3 nodes using Percona XtraDB Cluster (PXC) 5.6 and one asynchronous replica connected to node1. If asynchronous replication is using GTIDs, moving the replica so that it is connected to node2 is trivial, right? Actually replication can easily break for reasons that may not be obvious at first sight. […]