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Group Replication: Shipped Too Early
This blog post is my overview of Group Replication technology. With Oracle clearly entering the “open source high availability solutions” arena with the release of their brand new Group Replication...
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FOSDEM 2017 is over… this was again a great MySQL event !
FOSDEM 2017 is over, I brought back home the flu…. but hopefully not only ! Indeed this 2017 edition was very rewarding. We started our FOSDEM with a “fringe” : pre-FOSDEM MySQL Day where we...
View ArticleVideo Interview with ProxySQL Creator René Cannaò
In anticipation of this month’s webinar MySQL & MariaDB Load Balancing with ProxySQL & ClusterControl that will happen on February 28th Severalnines sat down with the creator of ProxySQL...
View ArticleFun with Bugs #48 - Group Replication Bugs and Missing Features as of MySQL...
It seems recent post on Group Replication by Vadim caused an interesting discussion on Facebook. I am NOT going to continue it here, but decided to present some facts, specifically, list of public bug...
View ArticleIntroducing MariaDB MaxScale 2.1.0 Beta
Introducing MariaDB MaxScale 2.1.0 Beta Dipti Joshi Thu, 02/16/2017 - 12:32 We are happy to announce that MariaDB MaxScale 2.1.0 beta is released today. MariaDB MaxScale is the next generation...
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Improving the Performance of MariaDB MaxScale
Improving the Performance of MariaDB MaxScale Johan Thu, 02/16/2017 - 12:34 Performance has been a central goal of MariaDB MaxScale’s architecture from the start. Core elements in the drive for...
View ArticleMaking MaxScale Dynamic: New in MariaDB MaxScale 2.1
Making MaxScale Dynamic: New in MariaDB MaxScale 2.1 markusmakela Thu, 02/16/2017 - 12:43 The beta version of the upcoming MaxScale 2.1 has been released. This new release takes MaxScale to the next...
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Percona Blog Poll Results: What Programming Languages Are You Using for...
In this blog we’ll look at the results from Percona’s blog poll on what programming languages you’re using for backend development. Late last year we started a poll on what backend programming...
View ArticleSysadmin 101: Troubleshooting
I typically keep this blog strictly technical, keeping observations, opinions and the like to a minimum. But this, and the next few posts will be about basics and fundamentals for starting out in...
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MySQL Bug 72804 Workaround: “BINLOG statement can no longer be used to apply...
In this blog post, we’ll look at a workaround for MySQL bug 72804. Recently I worked on a ticket where a customer performed a point-in-time recovery PITR using a large set of binary logs. Normally we...
View ArticleDonkey – system for MySQL automatic maintenance
We build this system based on Inception (Qunar)。 All of MySQL DDL/DML operations are based on Donkey system, with strict approval process to keep online system strong and available. Open this file by...
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MySQL Group Replication… synchronous or asynchronous replication ?
After some feedback we received from early adopters or discussions during events like FOSDEM, I realized that there is some misconception about the type of replication that MySQL Group Replication is...
View ArticleUSA Webinar-Galera Cluster® Best Practices for DBAs and DevOps Part 3: DDLs...
Description In this part of the webinar series on best practices for Galera Cluster, we will discuss schema changes and DDL. We will show how Galera Cluster executes DDLs in a safe, consistent manner...
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Releasing ProxySQL 1.3.4
I am happy to announce the release of the latest stable release of ProxySQL 1.3.4 on 18 February 2017. ProxySQL is a high performance, high availability, protocol aware proxy for MySQL, with a GPL...
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Releasing ProxySQL 1.3.4
I am happy to announce the release of the latest stable release of ProxySQL 1.3.4 on 18 February 2017. ProxySQL is a high performance, high availability, protocol aware proxy for MySQL, with a GPL...
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Conociendo ProxySQL
Last month, January 2017, two DevOps meetups were organized in Spain with the same topic: "Conociendo ProxySQL", presented by txetxu Velayos , @txetxuvel The two DevOps meetups were: Murcia DevOps, on...
View ArticleUSA Webinar-Galera Cluster® Best Practices for DBAs and DevOps Part 3: DDLs...
Description In this part of the webinar series on best practices for Galera Cluster, we will discuss schema changes and DDL. We will show how Galera Cluster executes DDLs in a safe, consistent manner...
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ProxySQL and MaxScale on point select workload
Few days ago MariaDB announced that MaxScale 2.1 is roughly 45% faster than MaxScale 2.0 . I first want to congratulate MaxScale Team: MaxScale 2.1 seems to have better performance than MaxScale 2.0,...
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The key differences between MySQL and NoSQL DBs.
Experts say that the world’s data is doubling every two years. This epic increase in Big Data in recent times has highlighted the limitations of reliance on traditional forms of data storage and...
View ArticleLog Buffer #505: A Carnival of the Vanities for DBAs
This Log Buffer Edition searches through various blogs of Oracle, SQL Server and MySQL and picks a few contemporary ones. Oracle: Comma separated search and search with check-boxes in Oracle APEX Once...
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