Tag: Linux

Feed: Planet MySQL; Author: MyDBOPS; In my day to day tasks as a DB Engineer at Mydbops we have been using multiple MySQL tools for multiple use cases to ensure an optimal performance and availability for servers managed by our Remote DBA Team. A tool like pt-online-schema can be used for any DDL changes ( Overview to DDL algorithm ), if any tool which needs to scheduled for longer period we tend to use screen or cron. Some of the problems we face when we demonise the process or use screen for running processes. The daemon process gets killed when ... Read More

Feed: AWS Partner Network (APN) Blog. Author: Derek Belt. The AWS Partner Network (APN) is the global partner program for Amazon Web Services (AWS).We enable APN Partners to build, market, and sell their AWS offerings, and we help customers identify top APN Partners that can deliver on core business objectives. There are tens of thousands of APN Partners across the globe. More than 90 percent of Fortune 100 companies and the majority of Fortune 500 companies utilize APN Partner solutions and services. To receive APN program designations such as AWS Competency, AWS Service Delivery, AWS Service Ready, and AWS Managed Services Provider ... Read More

Feed: Recent Announcements. With AWS Copilot you can launch your service using one of the built in service patterns providing you secure and scalable infrastructure. Once your service is up and running, AWS Copilot has built in commands to easily add more services, infrastructure like databases or Amazon S3 Buckets, or even new deployment environments in different accounts and regions. While getting started and growing your application is important, AWS Copilot wants to make it easy for you to release and operate your application too. AWS Copilot lets you set up a fully functional CI/CD AWS CodePipeline with just two ... Read More

Feed: R-bloggers. Author: Casey Bates. In this blog post, we’ll look at how to use R Markdown. By the end, you’ll have the skills you need to produce a document or presentation using R Mardown, from scratch!We’ll show you how to convert the default R Markdown document into a useful reference guide of your own. We encourage you to follow along by building out your own R Markdown guide, but if you prefer to just read along, that works, too!R Markdown is an open-source tool for producing reproducible reports in R. It enables you to keep all of your code, ... Read More

Feed: R-bloggers. Author: Data Enthusiast's Blog. [This article was first published on Data Enthusiast's Blog, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.IntroductionThere are often situations when you need to perform repetitive plotting tasks. For example, you’d like to plot the same kind of data (e.g. the same economic indicator) for several states, provinces, or cities. Here are some ways you can address this:But what if the data is too complex to fit into ... Read More

Feed: R-bloggers. Author: R Views. [This article was first published on R Views, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.Daniel Hanson is a full-time lecturer in the Computational Finance & Risk Management program within the Department of Applied Mathematics at the University of Washington. His appointment followed over 25 years of experience in private sector quantitative development in finance and data science.One of the most time-consuming, tedious, and thankless tasks a quantitative developer ... Read More

Feed: AWS Compute Blog. Author: Chris Munns. This post is contributed by Andrew Pearce – Sr. Systems Dev Engineer, AWSSince launching Amazon EC2 Image Builder, many customers say they want to re-use existing investments in configuration management technologies (such as Ansible, Chef, or Puppet) with Image Builder pipelines. In this blog, I walk through creating a document that can execute an Ansible playbook in an Image Builder pipeline. I then use the document to create an Image Builder component that can be added to an Image Builder image recipe. In addition to this blog, you can find further samples in the amazon-ec2-image-builder-samples ... Read More

Feed: Planet PostgreSQL. Date: 06.07.2020 Tags:   postgresql    heterodb    japan    pgsql-hackers    parallelization    custom-scan-provides    foreign-data-wrapper    gpu    nvme    pg_strom    postgis    selinux    Category:   Interviews    Interviewed by: Andreas Scherbaum PostgreSQL is the World’s most advanced Open Source Relational Database. The interview series “PostgreSQL Person of the Week” presents the people who make the project what it is today. Read all interviews here. Please tell us about yourself, your hobbies and where you are from. I grew up in Shiga, Japan. It is known as the lake-side area of the greatest ... Read More

Feed: Planet MySQL; Author: Justin Swanhart; Oracle MySQL is in need of a columnar storage engine for analytics workloads.  A columnar engine (or column store) stores data vertically, that is, it stores all the data associated with a column together, instead of the traditional RDBMS storage method of storing entire rows together, either in a index organized manner, like InnoDB, or in a heap, like MyISAM.   Columnar storage has the benefit of reducing IO when only a subset of the row is accessed in a query, because only the data for the accessed rows must be read from disk ... Read More

Feed: R-bloggers. Author: Bob Carpenter. I’m writing a response here to Abraham Mathews’s post, Best practices for code review, R edition, because my comment there didn’t show up and I think the topic’s important. Mathews’s post starts out on the right track, then veers away from best practices in the section “What code should be reviewed?” where he says, …In general, we would never want to review four or five different files at a time. Instead, code review should be more targeted and the focus must be on the code that requires more prudent attention. The goal should be to ... Read More