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Displaying posts with tag: MySQL Cluster 7.3 (reset)
Working Around MySQL Cluster Push Down Limitations Using Subqueries

This post was originally published on the MySQL Support Team Blog at https://blogs.oracle.com/mysqlsupport/entry/working_around_mysql_cluster_push on 5 August 2016.

I worked on an issue recently where a query was too slow when executed in MySQL Cluster. The issue was that Cluster has some restrictions when it comes to push down conditions.

As an example of this, consider the following query using the employees sample database. The query takes a look at the average salary based on how many years the employee has been with the company. As the latest hire date in the database is in January 2000, the query uses 1 February 2000 as the reference date.

Initially the query performs like (performance is with two data nodes and all nodes in the same virtual machine on a laptop, so the timings are not necessarily representative of a production system, though the improvements should be repeatable):

mysql> SELECT …
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MySQL Cluster latest developments – webinar replay + Q&A

I recently hosted hosting a webinar which explained what MySQL Clusrter is, what it can deliver and what the latest developments were. The “Discover the latest MySQL Cluster Developments” webinar is now available to view here. At the end of this article you’ll find a full transcript of the Q&A from the live session.

Details:

View this webinar to learn how MySQL Cluster 7.3, the latest GA release, enables developer agility by making it far simpler and faster to build your products and web-based applications with MySQL Cluster. You’ll also learn how MySQL Cluster and its linear scalability, 99.999% uptime, real-time responsiveness, and ability to perform over 1 BILLION Writes per Minute can …

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Discover the latest MySQL Cluster Developments – Upcoming webinar

On Thursday 17th July I’ll be hosting a webinar which explains what MySQL Clusrter is, what it can deliver and what the latest developments are. As always the webinar is free but please register here.

Details:

Join this technical webinar to learn how MySQL Cluster 7.3, the latest GA release, enables developer agility by making it far simpler and faster to build your products and web-based applications with MySQL Cluster. You’ll also learn how MySQL Cluster and its linear scalability, 99.999% uptime, real-time responsiveness, and ability to perform over 1 BILLION Writes per Minute can help your products and applications meet the needs of the most demanding markets. MySQL Cluster combines these …

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MySQL Cluster 7.3.6 Released


The binary and source versions of MySQL Cluster 7.3.6 have now been made available at http://www.mysql.com/downloads/cluster/.

Release notes

MySQL Cluster NDB 7.3.6 is a new release of MySQL Cluster, based
on MySQL Server 5.6 and including features from version 7.3 of the
NDB storage engine, as well as fixing a number of recently
discovered bugs in previous MySQL Cluster releases.

Obtaining MySQL Cluster NDB 7.3. MySQL Cluster NDB 7.3 source
code and binaries can be obtained from
http://dev.mysql.com/downloads/cluster/.

For an overview of changes made in MySQL Cluster NDB 7.3, see
MySQL Cluster Development in MySQL Cluster …

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MySQL Cluster 7.3.4 Released

The binary and source versions of MySQL Cluster 7.3.4 have now been made available at http://www.mysql.com/downloads/cluster/.

A description of all of the changes (fixes) that have gone into MySQL Cluster 7.3.4 (compared to 7.3.3) is available from the 7.3.4 Change log.

MySQL Cluster 7.3.3 Released

The binary and source versions of MySQL Cluster 7.3.3 have now been made available at http://www.mysql.com/downloads/cluster/.

A description of all of the changes (fixes) that have gone into MySQL Cluster 7.3.3 (compared to 7.3.2) is available from the 7.3.3 Change log.

Webinar Replay + Q&A – Developing JavaScript Applications for Node.js with MySQL and NoSQL

On Thursday 12th September I co-presented a webinar on how MySQL Cluster delivers the key benefits of NoSQL Data Stores without having to give up the features that people rely on from relational databases (consistency, SQL etc.). There was a particular focus on how to use the new node.js JavaScript API which was recently released as part of MySQL Cluster 7.3. If you weren’t able to attend the live event then the webinar replay is available here. If you scroll down to the bottom of this post you’ll see a summary of the Questions and Answers from the session.

The new MySQL JavaScript Connector for Node.js is designed to deliver simplicity and high performance for JavaScript users.

Enables end-to-end JavaScript development, from the …

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Webinar – Developing JavaScript Applications for Node.js with MySQL and NoSQL

Note that the webinar replay + transcript of the Questions and Answers is now available from here.

On Thursday 12th September I’ll be co-presenting a free webinar on how MySQL Cluster delivers the key benefits of NoSQL Data Stores without having to give up the features that people rely on from relational databases (consistency, SQL etc.). There will be particular focus on how to use the new node.js JavaScript API which was recently released as part of MySQL Cluster 7.3.  As usual the webinar is free but you should …

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Sessions now scheduled for MySQL Connect

The sessions for this year’s MySQL Connect conference have now been scheduled – as you can see below, my 2 MySQL Cluster sessions will be on Saturday 21st September at 11:30 and 14:30 (Pacific).

The MySQL Connect conference is a great opportunity to listen to and chat with people from the MySQL community – including the engineers who work on or around MySQL as well people who are using it in production. The conference takes place from 21-23 September in San Francisco (runs up to Oracle OpenWorld). There are 84 sessions scheduled and the content catalog has now been published.

I’ll be …

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MySQL Virtual Developers Day

I’ll be presenting the keynote for Wednesday’s (31st July) MySQL Virtual Developer Day. The idea behind this event is that you get half a day of on-line presentations as well as live Q&A. My session focuses on what’s new in MySQL – in particular MySQL 5.6 and MySQL Cluster 7.3. As you’ll come to have expected, the event is free but you need to register here.
In the following agenda, all times are local to Singapore…

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