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Displaying posts with tag: mysql replication (reset)

Business continuity with geographically distributed multi-master MySQL clusters
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Global data access can greatly expand the reach of your business. Continuent's multi-site multi-master (MSMM) solutions enable applications to accept write traffic in multiple locations across on-premises and vCloud Air. This includes the following important real-world use cases:

Improve performance for globally distributed users registering hardware devices by permitting updates on the

Load Balancing for MySQL with HAProxy - Webinar Replay in English & French
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January 30, 2015 By Severalnines

In this joint webinar series with our friends from the HAProxy team, we covered the concepts around the popular open-source HAProxy load balancer, and demonstrated how to use it with SQL-based database clusters. We also discussed HA strategies for HAProxy with Keepalived and Virtual IP. 

 

Thanks to everyone who participated in these two sessions this week! Please see below for details on next week’s follow up session 'Performance Tuning for HAProxy & MySQL'.


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MySQL High Availability and Disaster Recovery
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Users seeking high availability, disaster recovery and zero downtime maintenance operation for business-critical MySQL applications face confusing choices. Is multi-master or master/slave clustering better? What about synchronous versus asynchronous replication? Using a plain vanilla, stock MySQL or a modified version of it? Which of these choices are right for data-driven businesses that

MySQL Cluster 7.4.3 RELEASE CANDIDATE now available
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Oracle have just made availble the Release Candidate for MySQL Cluster 7.4 (MySQL Cluster 7.4.3) – it can be downloaded from the development release tab here. Note that this is not a GA release and so we wouldn’t recommend using it in production.

The delta between this RC and the 7.4.2 DMR can be viewed in the …

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Multi-source Replication with Galera Cluster for MySQL
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November 20, 2014 By Severalnines

Multi-source replication means that one server can have multiple masters from which it replicates. Why multi-source? One good reason is to consolidate databases (e.g. merge your shards) for analytical reporting or as a centralized backup server. MariaDB 10 already has this feature, and MySQL 5.7 will also support it. 

It is possible to set up your Galera Cluster as an aggregator of your masters in a multi-source replication setup, we’ll walk you through the steps in this blog. Note that the howto is for Galera Cluster for MySQL (Codership) and Percona XtraDB Cluster. In a separate post, …

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MySQL Replication: ‘Got fatal error 1236′ causes and cures
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MySQL replication is a core process for maintaining multiple copies of data – and replication is a very important aspect in database administration. In order to synchronize data between master and slaves you need to make sure that data transfers smoothly, and to do so you need to act promptly regarding replication errors to continue data synchronization. Here on the Percona Support team, we often help customers …

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Webinar Replay & Slides: Performance Tuning of HAProxy for Database Load Balancing
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September 11, 2014 By Severalnines

 

Thanks to everyone who attended and participated in this week’s webinar on ‘Performance Tuning of HAProxy for Database Load Balancing’. And special thanks to our guest speaker, Baptiste Assmann of HAProxy Technologies. 

 

If you missed the sessions or would like to watch the webinar again & browse through the slides, they are now available online.

 

Watch the replay of this webinar to learn about what HAProxy can tell you about your application and database instances. And understand the difference between …

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Puppet Module for ClusterControl - Adding Management and Monitoring to your Existing Database Clusters
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September 10, 2014 By Severalnines

If you are automating your infrastructure using Puppet, then this blog is for you. We are glad to announce the availability of a Puppet module for ClusterControl. For those using Chef, we already published Chef cookbooks for Galera Cluster and ClusterControl some time back.  

 

 

ClusterControl on Puppet Forge

 

The ClusterControl module initial release is available on …

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Replicating from MySQL to Amazon Redshift
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Continuent is delighted to announce an exciting Continuent Tungsten feature addition for MySQL users: replication in real-time from MySQL into Amazon RedShift.  

In this webinar-on-demand we survey Continuent Tungsten capabilities for data warehouse loading, then zero in on practical details of setting up replication from MySQL into RedShift.  We cover:

Introduction to real-time movement

Upgrade MySQL to a new version with a fresh installation & use shell scripts and mysqldump to reload your data
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There are several ways to upgrade MySQL. In this post, we will use a combination of shell scripts and the mysqldump application to export our MySQL data, and then re-import it back into the upgraded version of MySQL.

In this example, we will be doing a minor version upgrade. We will be going from 5.6.17 to 5.6.19. This method may not work if …

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Showing entries 1 to 10 of 101 10 Older Entries

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