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Stuff The Internet Says On Scalability For June 24th, 2016

Hey, it's HighScalability time: A complete and accurate demonstration of the internals of a software system. If you like this sort of Stuff then please support me on Patreon. 79: podcasts for developers; 100 million: daily voice calls...Show More Summary

Percona Toolkit 2.2.18 is now available

Percona announces the availability of Percona Toolkit 2.2.18, released on June 24, 2016. Percona Toolkit is a collection of advanced command-line tools to perform a variety of MySQL server and system tasks that are too difficult or complex for DBAs to perform manually. Percona Toolkit, like all Percona software, is free and open source. This release is the […]

Percona Server for MongoDB 3.0.12-1.7 is now available

Percona announces the release of Percona Server for MongoDB 3.0.12-1.7 on June 24, 2016. Download the latest version from the Percona web site or the Percona Software Repositories. Percona Server for MongoDB 3.0.12-1.7 is an enhanced,...Show More Summary

Migrate from MS SQL Server to MySQL

In this blog series, I will share my experiences as I migrate commercial databases (i.e., Microsoft SQL or Oracle) to open source (MySQL). More specifically, we will look at how you can migrate from MS SQL Server to MySQL. For this first blog post I’ve chosen Jira database as an example, and used three different tools to […]

Troubleshooting configuration issues: Q & A

In this blog, I will provide answers to the Q & A for the Troubleshooting configuration issues webinar. First, I want to thank you for attending the June, 9 webinar. The recording and slides for the webinar are available here. Below is the list of your questions that I wasn’t able to answer during the webinar, […]

Sneak peek at the Percona Live Europe Amsterdam 2016 talks

On behalf of the Percona Live Conference Committee, I am excited to announce the sneak peek schedule for the Percona Live Europe Amsterdam 2016 talks! Percona Live Europe will feature a variety of formal tracks and sessions related to MySQL, MongoDB and ODBMS from members of the open source community. With many slots to fill, there will be […]

Docker automatic MySQL slave propagation

In this post, we’ll discuss Docker automatic MySQL slave propagation for help with scaling. In my previous posts on the Docker environment, I covered Percona XtraDB Cluster. Percona XtraDB Cluster can automatically scale by conveniently adding new nodes using the highly automated State Snapshot Transfer. State Snapshot Transfer allows a new node to copy data […]

Running Percona XtraDB Cluster nodes with Linux Network namespaces on the same host

This post is a continuance of my Docker series, and examines Running Percona XtraDB Cluster nodes with Linux Network namespaces on the same host. In this blog I want to look into a lower-level building block: Linux Network Namespace. The same as with cgroups, Docker uses Linux Network Namespace for resource isolation. I was looking into […]

Webinar Thursday June 23: Choosing a MySQL High Availability Solution Today

Please join Percona, Technical Account Manager, Michael Patrick on Thursday, June 23, 2016 at 10 AM PDT (UTC-7) as he presents “Choosing a MySQL High Availability Solution Today.” High availability (HA) is one of the solutions to improve performance, avoid data outages, and recover quickly from disasters. An HA environment helps guarantee that your database doesn’t […]

The Technology Behind Apple Photos and the Future of Deep Learning and Privacy

There’s a war between two visions of how the ubiquitous AI assisted future will be rendered: on the cloud or on the device. And as with any great drama it helps the story along if we have two archetypal antagonists. On the cloud side we have Google. Show More Summary

MongoDB Security: Why pay for Enterprise when Open Source has you covered?

Does ensuring MongoDB security justify the cost of the Enterprise version? In my opinion, the answer is no. MongoDB Inc© blasted an email with a study showing that the average cost of a data breach can be $5.9M. You can find the key finding in IBM’s 2015 report here: NH Learning Solutions Key findings: Data breaches cost the most in the […]

InnoDB locks and transaction isolation level

What is the difference between InnoDB locks and transaction isolation level? We’ll discuss it in this post. Recently I received a question from a user about one of my earlier blog posts. Since it wasn’t sent as a comment, I will answer it here. Show More Summary

Stuff The Internet Says On Scalability For June 17th, 2016

Hey, it's HighScalability time: You've seen the Netflix Death Star microservices map. Here's a map of microbes conversing on your skin. If you like this sort of Stuff then please support me on Patreon. 4281: # of unread articles in my...Show More Summary

Scaling Percona XtraDB Cluster with ProxySQL in Kubernetes

How do you scale Percona XtraDB Cluster with ProxySQL in Kubernetes? In my previous post I looked how to run Percona XtraDB Cluster in a Docker Swarm orchestration system, and today I want to review how can we do it in the more advanced Kubernetes environment. There are already some existing posts from Patrick Galbraith […]

Why MongoRocks: Deprecating PerconaFT and MongoDB Optimistic locking

In this post, we’ll discuss the rationale behind deprecating PerconaFT and embracing RocksDB. Why is Percona deprecating PerconaFT in favor of RocksDB? Many of you may have seen Peter Zaitsev’s recent post about Percona embracing RocksDB and deprecating PerconaFT. I’m going to shed a bit more light on the issues between the locking models for PerconaFT’s and […]

Troubleshooting hardware resource usage webinar: Q & A

In this blog, I provide answers to the Q & A for the Troubleshooting hardware resource usage webinar. First, I want to thank everybody who attended the May 26 webinar. The recording and slides for the webinar are available here. Below is the list of your questions that I wasn’t able to answer during the webinar, […]

Installing MongoDB 3.2 and upgrading MongoDB replica set

In this post, we’ll examine a couple of ways for upgrading MongoDB replica set. With the release of MongoDB 3.2, comes a rash of new features and improvements. One of these enhancements is improved replica sets. From MongoDB: “A replica set in MongoDB is a group of mongod processes that maintain the same data set. […]

MongoDB and non-existent collections

In this blog, I will discuss how I found some of my basic SQL assumptions that don’t hold true when dealing with MongoDB and non-existent collections. Coming from a MySQL background, I have some assumptions about databases that don’t apply to MongoDB (or other kinds of databases that are neither SQL-based nor relationally-inspired). An example […]

The Image Optimization Technology that Serves Millions of Requests Per Day

This article will touch upon how Kraken.io built and scaled an image optimization platform which serves millions of requests per day, with the goal of maintaining high performance at all times while keeping costs as low as possible.Show More Summary

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