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Displaying posts with tag: labs (reset)

MySQL Group Replication – 0.4.0 Labs Release
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Hi all, it is time again to do another preview release of MySQL Group Replication, the plugin that brings multi-master update everywhere to MySQL, like we described in Hello World post.

We are very proud to do the third preview release of MySQL Group Replication, which introduces new exciting features, please enjoy the highlights!

Introduced changes Plugin version access control

In an evolving product like Group Replication, it is important to ensure the correct functioning of the group by automatically check …

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MySQL Group Replication: Plugin Version Access Control.
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Here is version 0.4.0 of the MySQL Group Replication plugin, our solution that gives you virtual synchronous updates on any member of a MySQL server group. With this new version you can expect a bunch of bug fixes and new features.

One of the new feature that marks this release is the access control of different plugin versions in a server group. In an evolving product like Group Replication, it is important to assure the correct functioning of the group by automatically check that all servers have a compatible plugin versions.

Plugin versions – the basics

As you may have noticed, the Group Replication plugin has …

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MySQL Group Replication – 0.4.0 Labs Release Plugin Packages
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The multi master plugin for MySQL is here. MySQL Group Replication provides virtually synchronous updates on any member in a group of MySQL servers, with conflict handling and automatic group membership management and failure detection.

You can read about all MySQL Group Replication features following the tag MySQL Group Replication.

On this blog post we will present the packages the MySQL Group Replication 0.4.0 offers and what are the tasks that you need to perform to install the plugin on the MySQL server.

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MySQL 5.7 with JSON and Connector/Python
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In this post we will use the MySQL 5.7.7 labs release which has support for JSON documents stored in a special data type. We will be using Connector/Python and show how to get going with updating documents and getting data out.

Required read

If you wonder what this is all about, please check the following great reads from the MySQL Server team:

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MySQL Group Replication – mysql-5.7.6-labs-group-replication
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Hi all, a few months have passed since our first preview release of MySQL Group Replication. Now is the time for the second preview release of MySQL Group Replication, the plugin that brings multi-master update everywhere to MySQL, as described in Hello World post.

Introduced changes User interface changes

After receiving plenty of feedback and continuing to pursue a more integrated look and feel with MySQL, we have given the user interface a facelift. Some of the changes are:

  • The plugin has been renamed to …
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MySQL 5.7.5-labs: Multi-source Replication
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Multi-source replication for MySQL has been released as a part of 5.7.5-labs-preview
downloadable from labs.mysql.com. It is one among the several features that are
cooking in the replication technologies at MySQL.  (For a birds eye view of all
replication features introduced in 5.7 and labs, look  at the blog posts here and …


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MySQL Group Replication – Transaction life cycle explained
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The multi master plugin for MySQL is here. MySQL Group Replication provides virtually synchronous updates on any node in a group of MySQL servers, with conflict handling and automatic group membership management and failure detection.

For a better understanding on how things work, we go under the hood in this post and will analyse the transaction life cycle on multi master and which components does it interact with. But before that we need to understand first what a group is.

Group Communication Toolkit

The multi master plugin is powered by a group communication toolkit. This is what decides which servers belong …

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MySQL Group Replication – Testing
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The multi master plugin for MySQL is here “MySQL Group Replication“. It is a virtual synchronous solution for MySQL with conflict detection. It also supports automatic group membership management, failure detection and automatic distributed recovery.

With the introduction of this new feature there was a need to perform some good amount of testing as it involves complex functionalities like :

  • Servers execute local transactions and broadcasts the update to the group.
  • All servers in the group, even the sender, receive same transaction in the same order and check for conflicts.
  • All servers, …
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MySQL Group Replication – Monitoring
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Multi-master update everywhere solution for MySQL is here. MySQL Group Replication ensures virtual synchronous updates on any node in a group of MySQL servers, with conflict handling and failure detection. Distributed recovery is also in the package to ease the process of adding new nodes.

Starting with MySQL 5.7.2 there has been a constant effort from the replication team to provide more fields to monitor the replication performance in the performance schema tables. This post gives a brief  overview of the Performance Schema tables that have been introduced for MySQL Group Replication.

TABLES INTRODUCED

There are …

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MySQL Group Replication: A small Corosync guide
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MySQL Group Replication is here and with it comes the need to install and configure the underlying group communication toolkit that supports it: Corosync. Corosync is a well known and reliable Group Communication System that is used in such applications as Pacemaker.

In term of support, we develop MySQL Group Replication based on Corosync version 1.4.6, so this tutorial is based on this version. Regardless of this, no known problems are know to exists when using newer versions, but no extensive testing has been done on those.

Along with Corosync we also encourage the use of NSS to better secure your data that is transmitted in the …

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Showing entries 1 to 10 of 18 8 Older Entries

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