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GNU/Linux Storage: NVMe, CSDs, and 'Big Data'

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  • Micron Working On NVMe SSD Abrupt Shutdown Support For Linux - Phoronix

    The NVMe specification provides for an abrupt shutdown mode over the normal/safe shutdown command if needing to quickly get the NVMe solid-state storage ready for powering off as quickly as possible. Currently the Linux kernel isn't making use of the NVMe abrupt shutdown command but a proposal by Micron is looking to begin its usage. 

    A patch set sent out on Monday by a Micron engineer wires up the abrupt shutdown support for NVMe SSD. The initial use-case is over platforms with a very limited back-up power supply and if knowing a power loss is imminent, to perform the abrupt shutdown of the NVMe SSD. 

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  • Linux as a computational storage panacea? - Open Source Insider

    Linux is widely agreed to be key to the onward development of computational storage.

    As we have noted before, computational storage enables a software and hardware system to offload and alleviate constraints on existing compute, memory and storage.

    So given this proposition, how should software engineers identify, target and architect specific elements of the total processing workload to reside closer to computational storage disks (CSDs) and what role can Linux play in this process?

    The open ecosystem of open source Linux has been lauded as a key facilitating technology to creating the secure containerisation principles that express key elements of computational storage.

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  • The Apache Cassandra Project Releases Apache® Cassandra™ v4.0, the Fastest, Most Scalable and Secure Cassandra Yet

    The Apache Cassandra Project released today v4.0 of Apache® Cassandra™, the Open Source, highly performant, distributed Big Data database management platform.

    "A long time coming, Cassandra 4.0 is the most thoroughly tested Cassandra yet," said Nate McCall, Vice President of Apache Cassandra. "The latest version is faster, more scalable, and bolstered with enterprise security features, ready-for-production with unprecedented scale in the Cloud."

Apache Cassandra 4.0 Big Data Database Management System

  • Apache Cassandra 4.0 Big Data Database Management System Released

    pache Cassandra 4.0 is finally available as the latest major feature release to this widely-used NoSQL database management system.

    Cassandra 4.0 further juices the performance with scaling operations being up to five times faster, 25% faster throughput for reads and writes, and also lower latency work. Cassandra 4.0 also has improvements to yield better consistency, better security and observability, new configuration settings, better compression support, and more.

Apache Cassandra 4.0 advances open source database

  • Apache Cassandra 4.0 advances open source database

    After three years of development, the open source Apache Cassandra 4.0 database is now generally available.

    Apache Cassandra is a distributed NoSQL database that was originally developed at Facebook. In recent years, the open source technology has received support from multiple vendors that have also built commercial services for the database.

    Cloud service providers that have Apache Cassandra database-as-a-service offerings include AWS and Microsoft, which entered the Cassandra segment in March 2021. Beyond the big public cloud providers, DataStax provides a database-as-a-service that is based on Cassandra. Other vendors that provide Cassandra as a service include Aiven, which raised $100 million in March, and Instaclustr.

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  • Apache Cassandra 4.0 finally arrives

    Well, that took a while. Well over a year ago the Apache Software Foundation announced the beta of Cassandra 4.0. Developers were eager to get their hands on this, the most popular of the NoSQL databases. Alas, it took longer than many had hoped. Then at the 11th hour, a nasty bug was found, which further delayed Cassandra's release for a few days. But, at long last Apache Cassandra 4.0 is here and ready to tear into your petabytes of data.

Apache Cassandra 4.0 Features Increased Speed And Scalability

  • Apache Cassandra 4.0 Features Increased Speed And Scalability

    Nearly six years on from the release of Apache Cassandra 3.0, the community behind the popular open-source distributed database has announced the release of v4.0 of Apache Cassandra. Patrick McFadin, VP of Developer Relations at DataStax, and Ben Bromhead, CTO of Instaclustr, join TFiR Newsroom to talk more about the release.

    The first issue to be addressed is the importance Cassandra holds in the modern world. McFadin starts off by talking about what workloads Cassandra is focused on, i.e. websites and mobile applications. McFadin says, “When you use a mobile app on your phone, you’re probably using Cassandra.”

Cassandra 4.0 finally out of the gates after being delayed...

  • Cassandra 4.0 finally out of the gates after being delayed for last-minute bug swat

    After an Apple engineer called an 11th-hour halt to the release, Cassandra 4.0 has finally launched flaunting newfound stability, speed and consistency, according to the open-source project's users and contributors.

    The code for wide-column database – which has been popular as a distributed system with users including Apple, Instagram and eBay – officially went live today, around six years after 3.0's debut.

    The developer community is said to have invested the time in wanting to make this the most stable release of the NoSQL system, and ship with no known bugs.

    Speaking to The Register in the run-up to launch, Vinay Chella, engineer and cloud data architect at Netflix, said the new model for streaming data between nodes made it between four and five times faster, accelerating the recovery from failed nodes, and reducing costs.

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today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.