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Showing entries 1 to 10 of 67 10 Older Entries

Displaying posts with tag: scaling (reset)

How to setup High Availability PrestaShop on multiple servers with MariaDB Galera Cluster
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November 7, 2014 By Severalnines

PrestaShop is a popular open source e-commerce software powering over 200,000 online stores, according to the company. We’ve seen a bit of interest into high availability PrestaShop setups, so this post will show you how to achieve that on multiple servers. Note that this setup not only caters for failures, but by load balancing traffic across multiple servers, it also allows the system to scale and handle more users.

This post is similar to our previous posts on web application scalability and high availability:

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Data Warehouse in the Cloud - How to Upload MySQL data into Amazon Redshift for reporting and analytics
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October 27, 2014 By Severalnines

The term data warehousing often brings to mind things like large complex projects, big businesses, proprietary hardware and expensive software licenses. With Hadoop came open source data analysis software that ran on commodity hardware, this helped address at least some of the cost aspects. We had previously blogged about MongoDB and …

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How to change AWS instance sizes for your Galera Cluster and optimize performance
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September 3, 2014 By Severalnines

Running your database cluster on AWS is a great way to adapt to changing workloads by adding/removing instances, or by scaling up/down each instance. At Severalnines, we talk much more about scale-out than scale up, but there are cases where you might want to scale up an instance instead of scaling out. 

In this post, we’ll show you how to change instance sizes with respect to RAM, CPU and IOPS, and how to tune your Galera nodes accordingly. Moreover, this post assumes that …

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How to Scale Joomla on Multiple Servers
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July 2, 2013 By Severalnines

Joomla! is estimated to be the second most used CMS on the internet after WordPress, with users like eBay, IKEA, Sony, McDonald’s and Pizza Hut. In this post, we will describe how to scale Joomla on multiple servers. This architecture not only allows the CMS to handle more users, by load-balancing traffic across multiple servers. It also brings high availability by providing fail-over between servers.

 

This post is similar to our previous posts on web application scalability and high availability:

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Scaling Wordpress and MySQL on Multiple Servers for Performance
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June 11, 2013 By Severalnines

Over the years, WordPress has evolved from a simple blogging platform to a CMS. Over seven million sites use it today, including the likes of CNN, Forbes, The New York Times and eBay. So, how do you scale Wordpress on multiple servers for high performance? 

 

This post is similar to our previous post on Drupal, Scaling Drupal on Multiple Servers with Galera Cluster for MySQL but we will focus on Wordpress, Percona XtraDB Cluster and GlusterFS using Debian …

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MySQL Web Reference Architectures: On Demand
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Last week we ran a live webinar presenting the new MySQL Web Reference Architectures, a set of documented and repeatable best practices for building highly available, scaleable and secure database infrastructure to power new generations of web and mobile services.

The webinar replay is now available on-demand so you can listen in from the comfort of …

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MySQL 5.6 Replication: New Resources for Database Scaling and HA
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MySQL 5.6 reached GA (General Availability) today and is packed with a wealth of new features and capabilities.  Exciting stuff!
MySQL 5.6 also introduces the largest set of enhancements to replication ever delivered in a single release, including: - 5x higher performance to improve consistency across a cluster and reduce the risks of data loss in the event of a master failing - Self-healing clusters with automatic failover and recovery from outages or planned maintenance - Assured data integrity with checksums implemented across the replication workflow - DevOps …

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Webinar on PHP and MySQL Replication
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Using MySQL replication gives you an opportunity to scale out read queries. However, MySQL replication is asynchronous; the slave may fall behind.

This Wednesday, January 23 2013, I'll be presenting a free webinar about using MySQL replication on busy PHP web sites.  Register here:  http://www.percona.com/webinars/readwrite-splitting-mysql-and-php

Applications have variable tolerance

Deep Dive into GTIDs and MySQL 5.6 - What, Why and How
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Global Transaction Identifiers (GTIDs) are one of the key replication enhancements in MySQL 5.6. GTIDs make it simple to track and compare replication across a master - slave topology. This enables:

- Much simpler recovery from failures of the master,

- Introduces great flexibility in the provisioning and on-going management of multi-tier or ring (circular) replication topologies.

A new on-demand MySQL 5.6 …

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Serving Clients Rather than Falling Over
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Dawnstar Australis (yes, nickname – but I know him personally – he speaks with knowledge and authority) updates on The Real Victims Of The Click Frenzy Fail: The Australian Consumer after his earlier post from a few months ago.

Colourful language aside, I believe he rightfully points out the failings of the organising company and the big Australian retailers. From the Open Query perspective we can just review the situation where sites fall over under load. Contrary to what they …

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Showing entries 1 to 10 of 67 10 Older Entries

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