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Displaying posts with tag: MySQL Cluster Manager (reset)
MySQL Cluster Manager 1.4.4 released!


MySQL Cluster Manager 1.4.4 is now available for download from My Oracle Support.


What’s new?
With MCM 1.4.4 we continue to improve on MySQL Cluster Manager, specifically around:

  • the collect logs command
  • process status reporting
  • process command execution in specific scenarios


More details
More details are available in the MCM 1.4.4 Release Notes.…

MySQL Cluster Manager 1.4.3 released!


You might already have seen the announcement earlier this summer – we made MCM 1.4.3 available for download from My Oracle Support.


What’s new?
The most notable changes to MCM 1.4.3 include

  • Significant reduction in cpu consumption when idle.
  • Added support for running your mysqlds with skip-networking enabled.

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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