Sysadm
Open Data Access Layer – replacement for AWS S3 SDK?
Hi all. Today I want to talk about a relatively new product in the Apache Software Foundation stack for data...
Database sharding and system design
Database sharding is the process of dividing it across multiple machines, which helps the application scale. The sharding mechanism involves...
IPv6 Protocol Training Program
This material was created by the collective efforts of a teacher and a student. The first and fourth stages were...
VRackDB – Simple and tasteful
VRackDB - it's simple In Memory Graphite like a database designed to store time series (graphs). (TypeScript)Peculiarities:Very simple/economical/fastStores data in...
Connected by one network. Happy Radio Day
Radio Day is a special day that, through an invisible ether (in the literal sense of the word), connects signalmen,...
OpenGrok
Projects such as AOSP (Android open source project) or LLVM contain approximately 2.5 and 11 million lines of code, respectively....
Google appears to be removing support for RISC-V architecture from the Android OS core. But why?
Over the past few years, many operating systems have added support for various architectures, including RISC-V, which is being developed...
Build MS-DOS 4.0
Just recently the following news appeared oné: The source code of MS-DOS 4.00 has been published on GitHub under the...
The Forgotten War with Pagers
Before the advent of smartphones, pagers were under the scrutiny of our parents, schools and legislators. Today we are seeing...
Wireshark tuning
The Wireshark packet analyzer is a powerful tool for both collecting and analyzing traffic. We've previously looked at using Wireshark...
We want the servers to crash at the same time
If you have a zoo of servers, then you should not compare absolute indicators. Normalize.A customer from the sphere contacted...
What to consider if you use SignalR and want to scale your .Net application?
Disclaimer: I do not claim to be a discovery in this article, but only want to help avoid mistakes when...
How to protect yourself from clicking in Yandex Direct
Hello! My name is Daria Dane. I have been scaling businesses using contextual advertising for 10 years.Yandex training expert; author...
Water Hammer Pump
PrologueThere is such an ingenious device as a hydraulic ram pump. It is also called a hydraulic shock pump or...
Collecting monitoring data from Frontend JS applications using Grafana Faro
IntroductionHello. This article will review and install the Grafana Faro tool for collecting monitoring data from Frontend applications written in...
Segmented network scanning using SeteZor
What is SeteZor?Those who follow our activities probably know what SeteZor is. For those who don’t know: There is article...
A series of articles about Greenplum. Part 1. GP under the hood
Hi all!As you know, many software suppliers left the Russian market due to the imposed sanctions and many companies were...
Ansible + SoT or Once again about dynamic inventory
Almost everyone uses Ansible, and we are no exception. In the network infrastructure department, we use it to automate the...
SMS Firewall: a big point in the war against spam or a dull workaround?
In continuation of our talking about spam and its effectiveness as a marketing tool, it is impossible not to touch...
Managing offsets in Kafka
Greetings readers! Today in this article we will look at how Kafka processes message offsets and what strategies exist for...
