MySQL InnoDB Cluster GA is Available Now!
The MySQL Development Team is happy to announce the first GA release of InnoDB Cluster–our integrated, native, full stack HA solution for MySQL. You can see highlights of the changes and improvements...
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ProxySQL Rules: Applying and Chaining the Rules
In this post, I am going to show you how you can minimize the performance impact of ProxySQL rules by using some finesse. Apply Test In my previous post, we could see the effect of the rules on...
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Another Hanging Query
You are a DBA, enjoying a good read about the MySQL 8.0.1 development milestone release which contains SQL window functions. Perhaps, you think, the analytics team could make good use of window...
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MySQL read/write split with ProxySQL
Query routing is one of the core features of ProxySQL. Read/write split is perhaps one of the most common query routing use, while the other most commonly used query routing implementation is for...
View ArticleMySQL 8.0.1: Accent and case sensitive collations for utf8mb4
In MySQL 8.0 we have been working to improve our support for utf8 as we make the transition to switch it to the default character set. For more details see our earlier posts: Sushi = Beer ?! An...
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Percona Live Featured Session with Wei Hu – AliSQL: Breakthrough for the Future
Welcome to another post in the series of Percona Live featured session blogs! In these blogs, we’ll highlight some of the session speakers that will be at this year’s Percona Live conference. We’ll...
View ArticleInstall and configure a corporate Open Source Booking System on Centos 7
In today's business, it is increasingly necessary to share workspaces, labs, tools, and any other type of resources. Making the most of the available resources has become a competitive advantage for...
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TokuDB Troubleshooting: Q & A
In this blog, we will provide answers to the Q & A for the TokuDB Troubleshooting webinar. First, we want to thank everybody for attending the March 22, 2017 webinar. The recording and slides for...
View ArticleInstalling MySQL Cluster 7.5.6 on Red Hat derivatives
MySQL Cluster 7.5.6 comes with a new nice feature. It is now possibleto install MySQL Cluster using the MySQL repos. I made an exercise todayin setting up a cluster today on the Amazon cloud using...
View ArticleSetting up a MySQL Cluster on Amazon Cloud
In my previous post I covered how to install MySQL Cluster ona Red Hat VM.In order to run MySQL Cluster in a cloud environment I use 4 VMs.This is sufficient for a demo or proof of concept of MySQL...
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MySQL Performance: 8.0-dev Progress..
As you already know, a new MySQL-8.0 milestone release is available (and hope you did not miss all the news coming from MySQL Server Team site - starting by what's new article and followed by many...
View ArticleSetting up MySQL Cluster in the Oracle Bare Metal Cloud
The Oracle Bare Metal Cloud service is an innovative cloud service.When looking at how it can be used for MySQL Cluster it is a greatfit.MySQL Cluster is a high availability solution. Oracle Bare Metal...
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TokuDB Hotbackup and Replication
TokuDB Hotbackup is a solution that allows you to do backups on the fly. It works as a library that intercepts certain system calls that duplicate data written to already copied parts of files, so...
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Correlated Metrics in Monitoring
If you work with monitoring or monitoring tools much, you’ve probably seen the phrase “correlating” here and there. For example, monitoring vendors often say you can use their product to correlate...
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Run Percona Server on Bash on Windows on Ubuntu
In this post, I’ll explain how to run Percona Server for MySQL and Percona Server for MongoDB on Bash on Windows on Ubuntu. We are getting a good number of questions about whether Percona Server (for...
View ArticleInnoDB Locks Analysis: Why is Blocking Query NULL and How To Find More...
Consider the scenario that you execute a query. You expect it to be fast - typically subsecond - but now it take not return until after 50 seconds (innodb_lock_wait_timeout seconds) and then it returns...
View ArticleHow To Find What Thread Had Executed FTWRL
This week one of MariaDB Support customers asked how to find what thread had executed FLUSH TABLES WITH READ LOCK (FTWRL) and thus blocked all changes to data. I decided to list several ways to find...
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Obfuscate data from mysqldump with ProxySQL
While me and Fred were presenting Inexpensive Datamasking for MySQL with ProxySQL at FOSDEM 2017, we got a very interesting question: can ProxySQL be used to obfuscate backups obtained from mysqldump?...
View ArticleBooking.com talks at Percona Live Santa Clara 2017
In a week, me and some Booking.com colleagues will be in Santa Clara for Percona Live. Booking.com is sponsoring the conference and we will be present at the Monday Evening Reception. You do not need...
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ConFoo Vancouver 2017 Calling for Papers
Want to get your web development ideas in front of a live audience? Thecall for papers for the ConFoo Vancouver 2017 web developer conference is open! If you have a burning desire to hold forth about...
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