Travis-CI is a crucial component in Continuous Integration/Continuous Deployment. We use it a lot to run unit tests and building/uploading Python modules. Recently I had to solve a problem of building RPMs on Travis-CI with Docker containers. In this post I will describe step-by-step how to do that. We distribute our backup tool as RPM packages […]
The post Building RPM on Travis-CI in Docker containers appeared first on TwinDB.
This blog post reviews the appropriateness of Docker and other container solutions for your database environment.
A few weeks back, I wrote a fairly high-level blog post about containers. It covered what you should consider when thinking about using Docker, rkt, LXC, etc. I hope you’ve taken the chance to give it a quick read. It’s a good way to understand some of the disciplines you need to consider before moving to a new technology. However, it sparked a conversation in our Solutions Engineering team. Hopefully, the same one that you’re having in your organization: should customers run their database in containers? …
[Read more]Uber Engineering’s Schemaless storage system powers some of the biggest services at Uber, such as Mezzanine. Schemaless is a scalable and highly available datastore on top of MySQL¹ clusters. Managing these clusters was fairly easy when we had …
The post Dockerizing MySQL at Uber Engineering appeared first on Uber Engineering Blog.
Containers like Docker and Rocket are getting more popular every day. In my conversations with customers, they consistently ask what containers are and how they can use them in their environment. If you’re as curious as most people, read on. . .
How did this happen?
From what I understand, containers grew out of Google’s (and others’) need for massive horizontal scale. Now, this is hardly a unique problem. At the time there were several different solutions out there that could help deploy and orchestrate the applications and infrastructure necessary to scale — namely virtual machines (VMs) and their orchestration services (like Vmware’s vCenter). At the uber-massive scale that companies like Google were pushing, however, server virtualization had some serious drawbacks. Enter containers. . .
What is a container?
Essentially, the main difference between a container and a virtual …
[Read more]With Oracle Open World behind us, we are now getting ready for the next big event, i.e. the European edition of PerconaLive. I am going to be a presenter three times:
MySQL operations in Docker is a three-hour tutorial, and it will be an expansion of the talk by the same title presented at OOW. Attendees who want to play along can do it, by coming prepared with Docker 1.11 or later and the following images already pulled (images with [+] are mandatory, while [-] are optional):
MySQL is a growing presence at Oracle Open World. While most of the headlines belong to the main products, where Oracle services are aiming at world domination, MySQL shared the spotlight, as it was announced to be part of Oracle database cloud. It seems a logical move for Oracle: after all the effort to make MySQL 5.7 the biggest release ever, it stands to reason that it is offered as a competitive feature in its own database as a service.
With this offer, Oracle is applying enterprise pricing and methodologies to a target of emerging companies. MySQL in the Oracle cloud differs from the competition by a few key points:
In this tutorial I am going to setup a HAProxy based cluster (layer 4) in Docker which would load balance to a set of Mysql nodes (again running on Docker).
Before I jump into how to get this done, I would like to explain a little more about few important terms : –
Ever wondered why Docker is so much popular. Here it is why? Docker has made it so much easier to spin up nodes as required and then map them all in quick easy way .
In this tutorial I am going to setup a Master-Master Replication between 2 Mysql Nodes , and of course both of them running on Docker based on Ubuntu 16 LTS.
Requirements: –
Lets crack on
Step 1 – Prepare the configurations / data folders
Best thing of this docker mysql image is that you can setup your own Data, Log, config, passwords …
[Read more]I recently had the opportunity to test out Ansible’s ability to interact with docker containers. Some might ask why we would want Ansible to connect to running containers. Afterall, we can build the containers to our liking using ansible-container, or even mundane tools such as Docker’s Dockerfile. Also, we can link configuration files at runtime to override the container’s settings where appropriate.
The point, though, is to leverage Ansible’s capability as an orchestration tool.
As a very basic example, assume that you have plays for your non-docker environment to ensure MySQL users exist. How do you do that with Docker containers?
You have a few options:
In this post, I’ll point you to MyRocks Docker images with binaries, allowing you to install and play with the software.
During the @Scale conference, Facebook announced that MyRocks is mature enough that it has been installed on 5% of Facebook’s MySQL slaves. This has saved 50% of the space on these slaves, which allows them to decrease the number of servers by half. Check out the announcement here: https://code.facebook.com/posts/190251048047090/myrocks-a-space-and-write-optimized-mysql-database/
Those are pretty impressive numbers, so I decided to take a serious look at MyRocks. The biggest showstopper is usually binary availability, since Facebook only provides the source …
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