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Webinar Thursday, October 19, 2017: What You Need to Get the Most Out of Indexes – Part 2

and  | October 18, 2017 |  Posted In: Insight for DBAs, MySQL, open source databases, Technical Webinars

Indexes

Join Percona’s Senior Architect, Matthew Boehm, as he presents What You Need to Get the Most Out of Indexes – Part 2 webinar on Thursday, October 19, 2017, at 11:00 am PDT / 2:00 pm EDT (UTC-7). Register Now Proper indexing is key to database performance. Finely tune your query writing and database performance with […]

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Percona Monitoring and Management 1.3.0 Query Analytics Support for MongoDB

 | September 28, 2017 |  Posted In: Database Monitoring, MongoDB, Percona Monitoring and Management

Percona Monitoring and Management 1.3.0

Percona is pleased to announce the General Availability of Query Analytics (QAN) from Percona Monitoring and Management 1.3.0 (PMM). This new release introduces the support of MongoDB. In general, the purpose of QAN is to help detect queries that consume the most amount of time inside of your database server. It provides detailed real-time analysis of […]

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Webinar Wednesday July 5, 2017: Indexes – What You Need to Know to Get the Most Out of Them

 | July 3, 2017 |  Posted In: MySQL, Technical Webinars

Indexes

Join Percona’s Senior Architect, Matthew Boehm, as he presents Indexes – What You Need to Know to Get the Most Out of Them on Wednesday, July 5, 2017 at 8:00 am PDT / 11:00 am EDT (UTC-7). Register Now Proper indexing is key to database performance. Find out how MySQL uses indexes for query execution, and then […]

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Correct Index Choices for Equality + LIKE Query Optimization

 | April 11, 2017 |  Posted In: Insight for DBAs, MySQL

Query Optimization

As part of our support services, we do a lot of query optimization. This is where most performance gains come from. Here’s an example of the work we do. Some days ago a customer arrived with the following table:

And a query that looked like this:

The table had an index t_msg that wasn’t […]

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Percona Live Featured Tutorial with Øystein Grøvlen — How to Analyze and Tune MySQL Queries for Better Performance

 | December 29, 2016 |  Posted In: Insight for DBAs, MySQL, Percona Live

Percona Live Featured Tutorial

Welcome to another post in the series of Percona Live featured tutorial speakers blogs! In these blogs, we’ll highlight some of the tutorial speakers that will be at this year’s Percona Live conference. We’ll also discuss how these tutorials can help you improve your database environment. Make sure to read to the end to get a special Percona […]

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Speed up GROUP BY queries with subselects in MySQL

 | June 15, 2015 |  Posted In: MySQL

We usually try to avoid subselects because sometimes they force the use of a temporary table and limits the use of indexes. But, when is good to use a subselect? This example was tested over table a (1310723 rows), b, c and d ( 5 rows each) and with MySQL version 5.5 and 5.6. Let’s […]

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Percona XtraDB Cluster: Quorum and Availability of the cluster

 | June 12, 2015 |  Posted In: MySQL

Percona XtraDB Cluster (PXC) has become a popular option to provide high availability for MySQL servers. However many people are still having a hard time understanding what will happen to the cluster when one or several nodes leave the cluster (gracefully or ungracefully). This is what we will clarify in this post. Nodes leaving gracefully […]

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