Blog Section
Note: this article summarizes a mini-research conducted by IBM Cloud engineers in search of a solution to a real problem related to the operation of the etcd database. We faced a similar challenge, but the authors' thought process and actions may be interesting in a broader context. A brief summary of the entire article: fio and etcd The performance of the etcd cluster greatly depends on […]
In previous articles, we explored the fundamentals of DATA VAULT, extending DATA VAULT for better analytical applicability, and creating BUSINESS DATA VAULT. It's time to conclude the series with the third article. As I announced in the previous publication, this article will focus on the topic of BI, specifically preparing DATA VAULT as a data source for BI. Let's consider how to create […]
FreeBSD developers announced a survey for users and developers of the project to help prioritize development and identify areas needing special attention. The survey consists of about 50 questions and takes approximately 15 minutes to complete. Responses will be accepted until June 16. Topics include application areas, tool preferences in […]
iXsystems, the company behind the rapid deployment distribution FreeNAS and its commercial products TrueNAS, has announced the launch of a new open project called TrueNAS SCALE. A key feature of TrueNAS SCALE is the use of the Linux kernel and a Debian 11 (Testing) package base, while all previously released products from the company, including TrueOS (formerly PC-BSD), […]
In the previous article, I discussed the basics of DATA VAULT, describing its key elements and their purposes. However, this topic is not exhausted; we need to address the next stages of the evolution of DATA VAULT. In this article, I will focus on the development of DATA VAULT and the transition to BUSINESS DATA VAULT or simply BUSINESS VAULT. The reasons for its emergence […]
About a year ago, we at DataLine launched a service for detecting and analyzing vulnerabilities in IT applications. The service is based on the cloud solution Qualys, which we have already reported on. Over the course of a year with this solution, we conducted 291 scans for different websites and accumulated statistics on common vulnerabilities in web applications. In the article below, I will show exactly which […]
After seven months of development, version 2.1 of the Stratis project has been released, developed by Red Hat and the Fedora community to unify and simplify the configuration and management of pools of one or more local storage devices. Stratis offers features such as dynamic storage allocation, snapshots, data integrity assurance, and layer creation for caching. The project's code is written in Rust […]
The release of Elementary OS 5.1.5 has been announced, marketed as a fast, open-source, and privacy-respecting alternative to Windows and macOS. The project focuses on high-quality design aimed at creating a user-friendly system that consumes minimal resources and ensures fast boot times. Users are offered a custom desktop environment called Pantheon. Bootable ISO images (1.5 GB) are prepared for download […]
A new version of the Nextcloud Hub 19 platform has been unveiled, providing a self-contained solution for the collaboration of enterprise and project teams. At the same time, the cloud platform Nextcloud 19, which underpins Nextcloud Hub, has been released, enabling the deployment of cloud storage with synchronization and sharing capabilities, allowing data viewing and editing from any device at any location […]
Aloha, people! My name is Oleg Anastasyev, and I work at Odnoklassniki on the Platform team. Besides me, a lot of hardware works at Odnoklassniki. We have four data centers, housing around 500 racks with over 8,000 servers. At one point, we realized that implementing a new management system would allow us to utilize our equipment more effectively and streamline management […]
What would you feel if one fine summer day the data center with your equipment looked like this? Hello everyone! My name is Dmitry Samsonov, and I work as a lead system administrator at "Odnoklassniki." In the photo is one of the four data centers housing the equipment servicing our project. Behind these walls, there are about 4,000 units: servers, systems […]
Decoding the 2015 report by Ilya Kosmodemyansky titled "Linux tuning to improve PostgreSQL performance" Disclaimer: I should note that this report is dated November 2015 — more than 4 years have passed and much time has gone by. The version considered in the report, 9.4, is no longer supported. In the past 4 years, 5 new releases of PostgreSQL have come out and 15 kernel versions of Linux. If we rewrite […]