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Displaying posts with tag: keepalived (reset)

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 short-lived connections and

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New Webinar on July 9th: How To Set Up SQL Load Balancing with HAProxy
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June 17, 2014 By Severalnines

 

We continuously see great interest in MySQL load balancing and HAProxy, so we thought it was about time we organised a live webinar on the topic!

 

As most of your will know, database clusters and load balancing go hand in hand. 

 

Once your data is distributed and replicated across multiple database nodes, a load balancing mechanism helps distribute database requests, and gives applications a single database endpoint to connect to. 

 

Instance failures or

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keepalived with reader and writer VIPs for Percona XtraDB Cluster
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This is a followup to Jay Janssen’s October post, “Using keepalived for HA on top of Percona XtraDB Cluster.” We got a request recently where the customer has 2 VIPs (Virtual IP addresses), one for reader and one for a writer for a cluster of 3 nodes. They wanted to keep it simple, with low latency and does not require an external node resource like HaProxy would.

keepalived is a simple load balancer with HA capabilities, which means it can proxy TCP services behind it and at the same time, keep itself

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Using keepalived for HA on top of Percona XtraDB Cluster
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Percona XtraDB Cluster (PXC) itself manages quorum and node failure.  Minorities of nodes in a network partition situation will move themselves into a Non-primary state and not allow any DB activity.  Nodes in such a state will be easily detectable via SHOW GLOBAL STATUS variables.

It’s common to use HAproxy with PXC for load balancing purposes, but what if you are

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Scaling Drupal on Multiple Servers with Galera Cluster for MySQL
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April 26, 2013 By Severalnines

This post shows you how to move from a single instance Drupal/MySQL to a multi-server environment. A well designed multi-server deployment not only allows Drupal to scale, but will also enhance redundancy by removing single points of failure. Components used are Apache, PHP, csync2, lsyncd, Keepalived, HAproxy, MySQL Galera Cluster and ClusterControl.

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Showing entries 1 to 5

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