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Hello everyone, we share with you the second part of the publication "Virtual File Systems in Linux: Why They Are Needed and How They Work?" The first part can be read here. We remind you that this series of publications is timed to the launch of a new stream for the course "Linux Administrator," which will start very soon. How to monitor VFS using eBPF and bcc tools The simplest […]
We talk about multi-core CPUs from leading global manufacturers. / photo PxHere PD 48 cores In late 2018, Intel announced the Cascade-AP architecture. These processors will support up to 48 cores, feature a multi-chip layout, and have 12 channels of DDR4 DRAM. This approach will ensure a high level of parallelism, which will be useful in processing large data in the cloud. The release of products based on Cascade-AP is planned […]
LaCie, the premium brand of Seagate Technology, has announced a new portable drive — the Rugged RAID Shuttle, built with enhanced durability. This new device features two 2.5-inch hard drives with a total capacity of 8 TB. It supports RAID 0 and RAID 1 configurations, depending on user needs. The drive is compliant with IP54 standards, ensuring protection […]
LaCie, a subsidiary of Seagate Technology, has introduced the 2big RAID external storage solution, which will be available for order very soon. The new model includes two enterprise-class IronWolf Pro hard drives, ensuring increased reliability. The drives can be configured in RAID 0, RAID 1, or JBOD. USB 3.1 interface is used for connection to the computer […]
Microsoft earlier introduced an updated Chromium-based Edge browser as a preview version for Windows 10. The novelty is available in developer and Canary builds. In the coming months, developers promised to release more versions, including for Windows 7 and Windows 8.1. However, although the preview builds are only available for Windows 10, they can be installed […]
Continuing the examination of technologies that accelerate input/output operations in storage systems, started in the previous article, we cannot overlook the popular option known as tiering (Auto Tiering). Although the ideology behind this function is quite similar among various manufacturers of storage systems, we will focus on the specifics of tiering implementation in the Qsan storage system. Despite the diversity of data stored in the storage system, this […]
In this post we’d like to share an interesting way of dealing with the configuration of a distributed system. The configuration is represented directly in Scala language in a type-safe manner. An example implementation is described in detail. Various aspects of the proposal are discussed, including its influence on the overall development process. (На русском) Introduction […]
I would like to discuss an interesting mechanism for handling the configuration of a distributed system. The configuration is directly represented in the compiled language (Scala) using safe types. This post analyzes an example of such a configuration and examines various aspects of implementing compiled configuration into the overall development process. (English) Introduction Building a reliable distributed system implies that correct configuration is used across all nodes, synchronized […]
The digital age dictates its own laws, and the legal system must keep pace with the relentless technological advancements and transformation of economic relationships. On a global level, careful and predictive legal regulation of the digital environment becomes a significant competitive advantage for states, allowing for investment influx and stability in economic growth. In the context of Russia, with so much intensive work from the State Duma in adopting new (and often […]
Kaspersky Lab has revealed a new cyber espionage campaign that has victimized users and organizations in nearly four dozen countries worldwide. The attack has been named SneakyPastes. Analysis shows that the organizer is the cyber group Gaza, which includes three other teams of attackers — Operation Parliament (known since 2018), Desert Falcons (known since 2015), and MoleRats (active […]
Today, most software products are developed in teams. The conditions for successful team development can be represented in a simple framework. After writing code, you must ensure that it: Works. Does not break anything, including code written by your colleagues. If both conditions are met, you are on the path to success. To easily verify these conditions and stay on track […]
Performance enhancement technologies based on SSD usage, widely employed in storage arrays, have been around for quite some time. Primarily, this involves using SSDs as storage space, which is 100% effective but costly. Therefore, tiering and caching technologies are used, where SSDs are utilized only for the most frequently accessed ('hot') data. Tiering is beneficial for long-term use scenarios (days to weeks) […]