May 21, 2013

MySQL 5.6 vs MySQL 5.5 and the Star Schema Benchmark

March 11, 2013 By 7 Comments

So far most of the benchmarks posted about MySQL 5.6 use the sysbench OLTP workload.  I wanted to test a set of queries which, unlike sysbench, utilize joins.  I also wanted an easily reproducible set of data which is more rich than the simple sysbench table.  The Star Schema Benchmark (SSB) seems ideal for this. [...]

Filed Under: MySQL Tagged With: , , , , ,

MySQL performance: Impact of memory allocators (Part 2)

March 8, 2013 By 12 Comments

Last time I wrote about memory allocators and how they can affect MySQL performance in general. This time I would like to explore this topic from a bit different angle: What impact does the number of processor cores have on different memory allocators and what difference we will see in MySQL performance in this scenario? [...]

Filed Under: Benchmarks, MySQL Tagged With: , , ,

Announcing Percona Server for MySQL version 5.1.67-14.4

March 8, 2013 By Leave a Comment

Percona is glad to announce the release of Percona Server for MySQL version 5.1.67-14.4 on March 8, 2013 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.1.67, including all the bug fixes in it, Percona Server 5.1.67-14.4 is now the current stable release in the 5.1 series. All of Percona‘s software is open-source and free, all the details [...]

Filed Under: Events and Announcements, MySQL, Percona Software Tagged With: , ,

Announcing Percona Server for MySQL 5.5.30-30.1

March 7, 2013 By Leave a Comment

Percona is glad to announce the release of Percona Server for MySQL 5.5.30-30.1 on March 7, 2013 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.30, including all the bug fixes in it, Percona Server 5.5.30-30.1 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 [...]

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Accessing Percona XtraDB Cluster nodes in parallel from PHP using MySQL asynchronous queries

March 6, 2013 By 2 Comments

This post is followup to Peter’s recent post, “Investigating MySQL Replication Latency in Percona XtraDB Cluster,” in which a question was raised as to whether we can measure latency to all nodes at the same time. It is an interesting question: If we have N nodes, can we send queries to nodes to be executed in [...]

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Join me for ‘MySQL 5.6: Advantages in a Nutshell.’ Webinar. March 6 at 10 a.m. PST

March 4, 2013 By Leave a Comment

This Wednesday (March 6 at 10 a.m. PST) I’ll be presenting a webinar titled “MySQL 5.6: Advantages in a Nutshell.” In this presentation, I will provide a brief overview of the advantages MySQL 5.6 offers. My focus is a practical one – to identify the conditions in which one or another feature can be successfully [...]

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InnoDB Full-text Search in MySQL 5.6: Part 2, The Queries!

March 4, 2013 By 7 Comments

This is part 2 in a 3 part series. In part 1, we took a quick look at some initial configuration of InnoDB full-text search and discovered a little bit of quirky behavior; here, we are going to run some queries and compare the result sets. Our hope is that the one of two things [...]

Filed Under: Insight for DBAs, Insight for Developers, MySQL Tagged With: , , , , ,

Announcing Percona Server for MySQL version 5.5.29-30.0

February 26, 2013 By Leave a Comment

Percona is glad to announce the release of Percona Server for MySQL version 5.5.29-30.0 on February 26th, 2013 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.29, including all the bug fixes in it, Percona Server 5.5.29-30.0 is now the current stable release in the 5.5 series. All of Percona‘s software is open-source and free, all the details [...]

Filed Under: Events and Announcements, MySQL, Percona Software Tagged With: , , ,

Why do we care about MySQL Performance at High Concurrency?

February 26, 2013 By 9 Comments

In many MySQL Benchmarks we can see performance compared with rather high level of concurrency. In some cases reaching 4,000 or more concurrent threads which hammer databases as quickly as possible resulting in hundreds or even thousands concurrently active queries. The question is how common is it in production ? The typical metrics to use [...]

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Percona MySQL University comes to Toronto on March 22

February 18, 2013 By 2 Comments

Following our events in Raleigh, Montevideo, Buenos Aires, Percona MySQL University comes to Toronto on March 22nd. This is going to our most dense event yet, absolutely packed with information. Even though we have just 1 track we have 12 talks and 11 speakers. We had unique opportunity this time because Percona’s Consulting, Support, RemoteDBA, [...]

Filed Under: Events and Announcements, MySQL, Percona MySQL University Tagged With: , , , , ,
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