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Displaying posts with tag: high-availability (reset)

MySQL 5.7 first impressions on group-replication
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During the last few weeks I’ve been testing and playing a bit with the new group-replication plugin available for MySQL 5.7. Before continuing I’d like to clarify some aspects: the plugin is only available in labs and is not yet ready for production. The current version is 0.6. I used 5.7.9 GA running in a Vagrant 3 nodes cluster with CentOS 7.
As an additional note, I’ve tested previous version of plugin 0.5 against 5.7.8.rc and there are some good changes, so I recommend starting with the GA version.

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Announcing: MySQL Fabric 1.6.2 on Labs
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The MySQL Fabric team is pleased to announce that a new version is now available on Labs. This labs release includes our latest developments to give you a taste of what we have been working on. In particular, it includes the following new features and improvements:

  • Multi-node Fabric support is now available!

Compiling and Using the MySQL Router Labs Release
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Last week we released MySQL Router into our Labs and we need to provide a few extra details on how to actually use it.


  • A modern OS which comes with a compiler supporting C++11. For example, Ubuntu 14.04 and later, Oracle Linux 7, OS X 10.10.

MySQL Router on Labs – The Newest Member of the MySQL family
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The MySQL team are busily working on improving ways to use MySQL in scalable highly available systems. As most of you are already aware, the MySQL Group Replication project is progressing at full speed. Indeed, we just got preview release 0.5 out, while Fabric 1.5.6 was just released and work is ongoing for the Fabric 1.6 release.…

Webinar: Writing Application Code for MySQL High Availability Followup Questions
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Thanks to all who attended my webinar last week on Writing Application Code for MySQL High Availability.  This blog is for me to address the extra questions I didn’t have time to answer on the stream.

What do you think about using Galera Cluster but writing to a single Node with LVS ?

Whatever HA strategy you like that can present  a layer 3 or layer 4 to your application tier is fine.  A lot of people using PXC us it in a single-writer (master/slave) kind …

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Announcing: MySQL Fabric 1.5.5 GA is Available!
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The MySQL Fabric team is pleased to announce that a new (GA) release is now available. This release includes several improvements in terms of stability and usability (bug fixes and feature enhancements). In a nutshell:

  • Two new types of users for backup and restore are now available allowing a better managements of the required privileges for each user type.

Playing with Percona XtraDB Cluster in Docker
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Like any good, thus lazy, engineer I don’t like to start things manually. Creating directories, configuration files, specify paths, ports via command line is too boring. I wrote already how I survive in case when I need to start MySQL server (here). There is also the MySQL Sandbox which can be used for the same purpose.

But what to do if you want to start Percona …

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MaxScale: A new tool to solve your MySQL scalability problems
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Ever since MySQL replication has existed, people have dreamed of a good solution to automatically split read from write operations, sending the writes to the MySQL master and load balancing the reads over a set of MySQL slaves. While if at first it seems easy to solve, the reality is far more complex.

First, the tool needs to make sure it parses and analyses correctly all the forms of SQL MySQL supports in order to sort writes from reads, something that is not as easy as it seems. Second, it needs to take into account if a session is in a transaction or not.

While in a transaction, the default transaction …

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High availability using MySQL in the cloud
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Next Wednesday (June 10) I’ll be co-presenting a webinar on using MySQL in the cloud for High Availability (HA). Joining me will be 451 Research analyst Jason Stamper and together we’ll talk about the realities of HA using MySQL in the cloud and how vendors are responding to changing application requirements with new developments that can enhance your deployment.

We’ll also present a comparison of available solutions along with key best practices you can follow for successfully attaining HA in the cloud with MySQL. The webinar is …

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Test your knowledge: Percona XtraDB Cluster (PXC) quiz
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I often talk with people who are very interested in the features of Percona XtraDB Cluster (PXC) such as synchronous and parallel replication, multi-node writing and high availability. However some get confused when operating a real PXC cluster because they do not fully realize the implications of these features. So here is a fun way to test your PXC knowledge: try to solve these 12 questions related to PXC! (you will find the answers at the end of the post.)


1. With Galera 3.x, support for MyISAM is experimental. When can we expect to have full MyISAM support?
a. This will never happen as …

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Showing entries 1 to 10 of 49 10 Older Entries

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