Hi all. I work as a lead system administrator at OK and am responsible for the stable operation of the portal. I want to talk about how we built the process of automatic disk replacement, and then how we excluded the administrator from this process and replaced him with a bot. This article is sort of a transliteration of the talk at HighLoad+ 2018 Building the drive replacement process First, a little […]
The ETL component of the data warehouse is often overshadowed by the warehouse itself and receives less attention than the main database or front component, BI, reporting. At the same time, from the point of view of the mechanics of filling the warehouse with data, ETL plays a key role and requires no less attention from administrators than other components. My name is Alexander, I currently administer ETL at Rostelecom and […]
5G technologies will allow more efficient collection of telemetry data and discover completely new features for vehicles that can improve road safety and develop the field of unmanned vehicles. There is a potential in V2X systems (data exchange system between vehicles, road infrastructure elements and other traffic participants), for which 5G NR communication will be used. This will significantly improve […]
What, it’s the end of the month again?! In the sense of “summer in a couple of hours?!” In fact, May was short, but nevertheless we managed to make several interesting updates, prepared a small but intense conference on the backend and are ready to chat with you - traditionally on the last Friday of the month. We hope no one planned for tomorrow May 32nd? List of changes on Habré […]
I always believed that a lazy programmer is a good programmer. Why? Because ask a hard worker to do something, he will go and do it. And a lazy programmer will spend 2-3 times more time, but will write a script that will do it for him. Perhaps an unreasonably long time will be spent on this the first time, but subject to repeated […]
Do you need to quickly and automatically extract information from multiple documents? And are they also stored in the form of scans or photographs? You're in luck if you're an Amazon Web Services (AWS) customer. Amazon announced the availability of Textract, a cloud-based, fully managed service that uses machine learning to analyze tables, text forms, and entire pages […]
The Chinese company Xiaomi has released a teaser image indicating that the announcement of a new smartphone of the Mi 9 family is expected soon. As you can see in the illustration, the device will have a completely frameless design. The display does not have a notch or hole for the front camera. It is reported that the selfie module will be made in the form of a retractable block hiding in the upper part of the device’s body. IN […]
The unusual prototype of the Intel Honeycomb Glacier gaming laptop was not the only fruit of the passionate imagination of engineers from Santa Clara laboratories. Another embodiment of the Twin River laptop idea was demonstrated in the form of a folding book, which has two 12,3-inch screens with a resolution of 1920 × 1280 and has a textile finish in a combination of polyester, polyamide and lycra. Has Intel really decided to bring to fruition the unsuccessful [...]
Network sources have released a new piece of information about the flagship Kirin 990 processor, which is being designed by the Chinese telecommunications giant Huawei. It is reported that the chip will include modified computing cores with ARM Cortex-A77 architecture. The performance increase will be about 20% compared to the Kirin 980 product with comparable energy consumption. The basis of the graphics subsystem will be the Mali-G77 GPU accelerator with twelve cores. […]
Capture the flag is a fairly simple competitive mode found in many popular shooters. Each team has a marker located at its base, and the goal is to capture the opposing team's marker and successfully bring it to itself. However, what is easy for humans to understand is not so easy for machines. To capture the flag, non-player characters (bots) traditionally […]
On the project’s eleventh anniversary, the fourth episode of the free animated film “Morevna” was published, prepared in the anime style with a plot based on Russian folk tales. Project materials are distributed under a Creative Commons Attribution-ShareAlike 4.0 license. When creating the film, only Synfig software was used (developed in collaboration with the creators of Morevna), Krita and Blender. The video is currently only posted on the decentralized video broadcast […]
The release of the free cryptographic library Sodium 1.0.18 is available, which is compatible at the API level with the NaCl library (Networking and Cryptography library) and provides functions for organizing secure network communication, hashing, generating pseudo-random numbers, working with digital signatures, encryption using authenticated public and symmetric (shared-key) keys. The Sodium API is simple and offers the most secure options by default, […]
