Posts Categorized: Pythian

Building a MariaDB Galera Cluster with Docker

There’s been a lot of talk about Docker for running processes in isolated userspace (or the cloud for that matter) lately. Virtualization is a great way to compartmentalise applications  and processes however the overhead of virtualization isn’t always worth it – in fact, without directly attached storage IO degradation can seriously impact performance. The solution?…

SQL Server Replication Quick Tips

There is a time in every SQL Server DBA career where a mail came in with a “replication is not working, please check” message. This article is intended to provide with quick tips on how to handle common replication errors and performance problems in a one way transactional replication topology Oh boy, there is a…

Microsoft PowerBI: News from WPC

During the Worldwide Partner Conference (WPC) that happened last month, Microsoft made public some of the new functionalities that we can expect to see soon on Microsoft PowerBI. If you were on another planet in the last few months, and didn’t heard about PowerBI for Office 365, I’ve included a list of the set of tools…

SQL Server Error: 18056, Severity: 20, State: 29

Howdy everyone, One of the most frequent error messages I come across when dealing with SQL Server, particularly SQL Server 2008 R2, is Error 18056, Severity: 20, State: 29. Not only do I constantly see this error message in the SQL logs, but also in the Microsoft community forums. I often see inquiries likes, “I have SQL…

On the Road with Laerte

For the month of October, Microsoft PowerShell MVP, Laerte Junior will be touring Brazil and Europe for various SQL Server-related speaking engagements. “Thankfully, I am working at a company that fully supports their employees to speak and participate in community events.” Laerte says. “I can travel to Europe for 5 SQL Server conferences, and then…

Managing Files with SaltStack

Before we begin, take a look at my previous two blog posts, SaltStack for Remote Parallel Execution of Commands and Using SaltStack for Configuration Management. We manage files using configurations management much for the same reasons that we manage packages and services – we want/need consistency across all of our boxes, and to spend our time…

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