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February 24, 2015
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 [...]
February 20, 2015
How to setup a PXC cluster with GTIDs (and have async slaves replicating from it!)
This past week was marked by a series of personal findings related to the use of Global Transaction IDs (GTIDs) [...]
February 17, 2015
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 [...]
February 13, 2015
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 [...]
February 10, 2015
Online GTID rollout now available in Percona Server 5.6
Global Transaction IDs (GTIDs) are one of my favorite features of MySQL 5.6. The main limitation is that you must [...]
February 6, 2015
Percona Server 5.6.22-72.0 is now available
Percona is glad to announce the release of Percona Server 5.6.22-72.0 on February 6, 2015. Download the latest version from the [...]
February 2, 2015
Faster fingerprints and Go packages for MySQL
I’m happy to announce Go packages for MySQL. Particularly exciting is a new query fingerprint function which is very fast and [...]
January 26, 2015
Percona Toolkit 2.2.13 is now available
Percona is pleased to announce the availability of Percona Toolkit 2.2.13. Released January 26, 2015. Percona Toolkit is a collection of advanced command-line [...]
January 23, 2015
Using Percona Cloud Tools to solve real-world MySQL problems
For months when speaking with customers I have been positioning Percona Cloud Tools (PCT) as a valuable tool for the [...]
January 19, 2015
Looking deeper into InnoDB’s problem with many row versions
A few days ago I wrote about MySQL performance implications of InnoDB isolation modes and I touched briefly upon the bizarre [...]
January 14, 2015
Percona XtraBackup 2.2.8 is now available
Percona is glad to announce the release of Percona XtraBackup 2.2.8 on January 14, 2015. Downloads are available from our [...]
January 12, 2015
Percona Server 5.6.22-71.0 is now available
Percona is glad to announce the release of Percona Server 5.6.22-71.0 on January 12, 2015. Download the latest version from the [...]
January 12, 2015
Percona Server 5.5.41-37.0 is now available
Percona is glad to announce the release of Percona Server 5.5.41-37.0 on January 9, 2015. Based on MySQL 5.5.41, including [...]
January 8, 2015
Managing data using open source technologies? Learn what’s hot in 2015!
Whether you’re looking at the overall MySQL ecosystem or the all-data management landscape, the choice of technologies has never been [...]
January 5, 2015
Using YUM to install specific MySQL/Percona Server versions
Sometimes it is desired to use particular software versions in production, and not necessary the latest ones. There may be [...]
January 2, 2015
The MySQL Query Cache: How it works, plus workload impacts
The MySQL query cache is one of the prominent features in MySQL and a vital part of query optimization. It is [...]
December 31, 2014
How small changes impact complex systems – MySQL example
If you’ve been studying complex systems you know what minor changes might cause consequences of much greater proportions, sometimes causing [...]
December 30, 2014
Diagnosing SST errors with Percona XtraDB Cluster for MySQL
State Snapshot Transfer (SST) is used in Percona XtraDB Cluster (PXC) when a new node joins the cluster or to [...]
December 29, 2014
How well does your table fit in the InnoDB buffer pool in MySQL 5.6+?
Some time ago, Peter Zaitsev posted a blog titled “How well does your table fits in innodb buffer pool?” He [...]
December 22, 2014
Testing backup locks during Xtrabackup SST on Percona XtraDB Cluster
Background on Backup Locks I was very excited to see Backup locks support in release notes for the latest Percona XtraDB Cluster [...]