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Displaying posts with tag: MySQL Cluster Manager (reset)
MySQL Cluster Manager 1.4.2 released!


MySQL Cluster Manager 1.4.2 is now available for download from My Oracle Support.


In this blog post we will highlight some of the details of the MCM 1.4.2 release.

Progress reporting
First, some eye candy. With MCM 1.4.2 we added simple progress reporting.…

Details of the MySQL Cluster Manager 1.4.0 release

We just announced availability of MySQL Cluster Manager 1.4.0! In this post we’ll highlight some details of the MCM 1.4.0 release.

Based on MySQL 5.6 MySQL Cluster Manager is part of the commercial MySQL Cluster offering from Oracle. MCM 1.4.0 is now based on the tried and tested MySQL 5.6 release.…

MySQL Cluster Manager 1.4.0 released

MySQL Cluster Manager 1.4.0 is available for download from My Oracle Support.

More details are available in the the MCM 1.4.0 Release Notes.

Updated documentation is available here……

MySQL Cluster Manager 1.3.6 released

MySQL Cluster Manager 1.3.6 is available for download from My Oracle Support.

More details are available in the the MCM 1.3.6 Release Notes.

Updated documentation is available here.…

NDB 7.4 & SYS schema: When getting locks, detecting the guilty SQL & o.s.pid.

Here’s a way to detect the sql query causing a lock or a session to fail, and also to identify the o.s.pid if need be (btw, no rocket science). “a” way.. I’m sure there are many others, so feel free to suggest, please.

So, we’re using MCM, and have created a MySQL Cluster like mentioned in the cluster intro session (in Spanish I’m afraid), using 7.4.6, which comes with 5.6.24.

With the env up and running, set up a schema, some data and run a few queries:

mysql> create database world;
mysql> use world;
Database changed
mysql> source world_ndb.sql

(world_ndb.sql, as you might guess, is the world_innodb tables script, with a little adjustment as to which storage engine to be used.)

Once created, let’s lock things up in Cluster:

mysql -uroot -h127.0.0.1 -P3306
mysql> use test; …
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MySQL Cluster: Una introducción en Español.

MySQL Cluster: El ‘qué’ y el ‘cómo’.

Para aquellos que encuentran mucho sobre MySQL en Inglés pero poco en Español: mi pequeña aportación.
En el enlace tenéis información sobre qué es MySQL Cluster y cómo funciona. Incluso con ejemplos técnicos para romper las barreras y ayudar a simplificarlo (espero).

¡A disfrutar!


MySQL Cluster Manager 1.3.1 released

MySQL Cluster Manager 1.3.1 is now available to download from My Oracle Support and soon from the Oracle Software Delivery Cloud.

Details are available in the the MCM 1.3.1 Release Notes .

Documentation is available here.

MySQL cluster management – webinar replay available


Thomas Nielsen and I recently presented a webinar explaining the latest developments in managing MySQL Cluster. In case you weren’t able to attend (or wanted to refresh your memory) then the webinar replay and charts are now available.

As a reminder, this webinar covered what’s new in MySQL Cluster Manager 1.3 which recently went GA.

By their very nature, clustered environments involve more efforts and resources to administer than standalone systems and this holds true for MySQL Cluster, the database designed for web-scale throughput with carrier-grade …

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MySQL Cluster: The Latest Developments in Management, Free webinar

On Thursday 23rd January, Thomas Nielsen and I will be hosting a webinar explaining the latest developments in managing MySQL Cluster. As always the webinar is free but please register here.

Note that we’ll be covering what’s new in MySQL Cluster Manager 1.3 which went GA this week.

By their very nature, clustered environments involve more efforts and resources to administer than standalone systems and this holds true for MySQL Cluster, the database designed for web-scale throughput with carrier-grade availability.

The MySQL Cluster Auto-Installer guides you through defining and running a well configured MySQL Cluster database – …

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MCM 1.3 is GA – Importing a running Cluster into MySQL Cluster Manager


MySQL Cluster Manager 1.3.0 is now Generally Available and can be downloaded from the Oracle Software Delivery Cloud. The release contains a number of enhancements including performance improvements, handling larger clusters and of course bug fixes. The other big feature is that you can now import an existing, running MySQL Cluster instance into MCM without having to stop it first – this is the topic for this post.

In the past, we had a nice browser-based tool (the MySQL Clster Auto-Installer) to get a well configured cluster up and running (tuned to your environment) and we also had MySQL Cluster …

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