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Showing entries 1 to 10 of 83 10 Older Entries

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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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9 DevOps Tips for Going in Production with Galera Cluster for MySQL - Webinar Replay & Slides
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November 14, 2014 By Severalnines

Thanks to everyone who attended and participated in this week's webinar on '9 DevOps Tips for Going in Production with Galera Cluster for MySQL'. If you missed the sessions or would like to watch the webinar again & browse through the slides, they are now available online.

 

In this webinar, Severalnines CTO Johan Andersson discussed 9 key aspects to consider before taking Galera Cluster for MySQL into production:

  • 101 Sanity Check
  • Operating System
  • Backup Strategies
  • Galera Recovery
  • Query …
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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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Benchmark of Load Balancers for MySQL/MariaDB Galera Cluster
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October 31, 2014 By Severalnines

When running a MariaDB Cluster or Percona XtraDB Cluster, it is common to use a load balancer to distribute client requests across multiple database nodes. Load balancing SQL requests aims to optimize the usage of the database nodes, maximize throughput, minimize response times and avoid overload of the Galera nodes. 

In this blog post, we’ll take a look at four different open source load balancers, and do a quick benchmark to compare performance:

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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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Integrating ClusterControl with FreeIPA and Windows Active Directory for Authentication
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October 17, 2014 By Severalnines

Integrating ClusterControl with a corporate LDAP directory is a common task for many IT organizations. In an earlier blog, we showed you how to integrate ClusterControl with OpenLDAP. In this post, we will show you how to integrate with FreeIPA and Windows Active Directory. 

 

How ClusterControl Performs LDAP Authentication

 

ClusterControl supports up to LDAPv3 protocol based on …

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Database Automation - Private DBaaS for MySQL, MariaDB and MongoDB with ClusterControl
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October 9, 2014 By Severalnines

Installing, configuring, deploying databases and performing repetitive administrative tasks are all part of a DBA’s or sysadmin’s job. This can get pretty repetitive and overwhelming if you are part of a centralized IT team, running multiple databases for your organization’s different departments, or a managed hosting provider responsible for setting up and operating databases for external clients. One way to get out of this ‘manual, repetitive task’ business is through a Database as a Service (DBaaS).

DBaaS is a way of delivering database functionality as a …

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ePayment Processing Data over multi-Datacenter MariaDB Cluster - Paytrail chooses ClusterControl
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September 26, 2014 By Severalnines

Paytrail is a leading e-payment method provider from Finland, and is expanding globally. Established in 2007, Paytrail currently has over 4,000 business customers, works with over 350 partners and its solution is available in all SEPA (Single Euro Payments Area) countries.

 

Paytrail offers a new online shopping solution that allows consumers to use one login for all of their online purchases. And it provides everything that is needed for online shopping in addition to traditional payment methods (bank e-payments, credit and debit card payments, invoicing and …

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mysqldump or Percona XtraBackup? Backup Strategies for MySQL Galera Cluster
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September 25, 2014 By Severalnines

Coming up with a backup strategy that does not affect database performance or lock your tables can be tricky. How do you backup your production database cluster without affecting your applications? Should you use mysqldump or Percona Xtrabackup? When should you use incremental backups? Where do you store the backups? In this blog post, we will cover some of the common backup methods for Galera Cluster for MySQL/MariaDB, and how you can get the most out of these. 

 

Backup Method

 

There are various ways to backup your Galera Cluster data: …

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PagerDuty Incident Alerting for ClusterControl
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September 22, 2014 By Severalnines

Need to add phone and SMS alerting to ClusterControl? ClusterControl 1.2.8 introduces support for PagerDuty, an alerting service for Ops teams to schedule on-calls and add phone and SMS notifications to IT tools. By integrating PagerDuty with ClusterControl, you can start receiving phone, SMS and email notifications for all important database events as monitored by ClusterControl. Alerts go directly to the right person who can solve the issue.

This integration is possible thanks to a new plugin interface, that …

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Showing entries 1 to 10 of 83 10 Older Entries

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