DZone

APRIL 30, 2020

Following on my previous article. I needed basic information on RAM, CPU, Disk, Networking, and I/O to assess the performance bottleneck for the serve. Run your own Video Conference Service with Jitsi , I started looking for a reliable solution to monitor my instance that runs Jitsi.

Monitoring 165

Monitoring Servers Open Source Hardware 165

DZone

SEPTEMBER 26, 2023

Since you need to access multiple components (servers, databases, network infrastructure, applications, etc.) In this article, we’re going to take a look at how logging can help you make sense of your log data without much effort. Though it can feel like more trouble than it’s worth, sorting through logs is crucial.

Best Practices 255

Best Practices Analytics Network Infrastructure 255

Scalegrid

APRIL 28, 2020

In this article, we are going to compare three of the most popular cloud providers, AWS vs. Azure vs. DigitalOcean for their database hosting costs for MongoDB® database to help you decide which cloud is best for your business. See performance tests to determine the impact of the Meltdown CPU kernel patch on your MongoDB servers.

Azure 344

Azure AWS Database Latency 344

Scalegrid

SEPTEMBER 5, 2024

If the primary server encounters issues, operations are smoothly transitioned to a standby server with minimal interruption. This article showcases essential elements and techniques for achieving automatic failover within your PostgreSQL environment. Standby servers are activated when the primary server fails.

Availability 257

Availability Servers Database Open Source 257

CSS Wizardry

MAY 31, 2019

A classic example is jQuery, that we might link to like so: There are a number of perceived benefits to doing this, but my aim later in this article is to either debunk these claims, or show how other costs vastly outweigh them. I won’t go into too much detail in this post, because I have a whole article. Penalty: Network Negotiation.

Cache 275

Cache Latency Infrastructure Website 275

Dynatrace

JULY 2, 2024

The Qualys Threat Research Unit (TRU) has discovered a Remote Unauthenticated Code Execution (RCE) vulnerability in OpenSSH server (sshd) in glibc-based Linux systems. ” To our knowledge as of writing this article, no properly working exploits have been created. The CVE assigned to this vulnerability is CVE-2024-6387.

AWS 217

AWS Network Traffic Servers 217

CSS Wizardry

OCTOBER 16, 2023

I began writing this article in early July 2023 but began to feel a little underwhelmed by it and so left it unfinished. Concatenating our files on the server: Are we going to send many smaller files, or are we going to send one monolithic file? Compressing them over the network: Which compression algorithm, if any, will we use?

Cache 338

Cache Latency Strategy Speed 338

CSS Wizardry

JUNE 30, 2023

Honestly, I started writing this article, for no real reason and somewhat without context, in December 2022—over half a year ago! TTFB is a good measure of your server response times and general back-end health, and issues here may have knock-on effects later down the line (namely with Largest Contentful Paint). log ( window.

Metrics 330

Metrics Google Monitoring Code 330

DZone

OCTOBER 25, 2023

In this short article, we’ll explore eBPF (Extended Berkeley Packet Filter), an exciting new technology that makes programming the kernel flexible, safe, and accessible to developers. eBPF has been running in production for over half a decade at an internet scale on millions of servers.

Internet 204

Internet Internet Programming Network 204

Dynatrace

DECEMBER 16, 2020

This article explains what a software supply chain attack is, and how Dynatrace protects its customers against such attacks by applying: Risk management and business continuity planning. Access to source code repositories is limited on both the network and the user level. Dynatrace news.

Software 246

Software Software Development AWS 246

Dynatrace

DECEMBER 16, 2021

Since December 10, days after a critical vulnerability known as Log4Shell was discovered in servers supporting the game Minecraft, millions of exploit attempts have been made of the Log4j 2 Java library, according to one team tracking the impact, with potential threat to millions more applications and devices across the globe.

Internet 263

Internet Internet Games Java 263

DZone

DECEMBER 20, 2023

This ground-breaking method enables users to run multiple virtual machines on a single physical server, increasing flexibility, lowering hardware costs, and improving efficiency. In this article, we’ll explore the utility of mini PCs in virtualization and how they contribute to seamless and cost-effective virtualization environments.

Virtualization 173

Virtualization Efficiency Games Operating System 173

Scalegrid

AUGUST 30, 2019

Redis , short for Remote Dictionary Server, is a BSD-licensed, open-source in-memory key-value data structure store written in C language by Salvatore Sanfillipo and was first released on May 10, 2009. In Redis, we have strings, lists, sets, sorted sets, and hashes, which we are going to cover in this article. Data Structures in Redis.

Cache 232

Cache Ecommerce Social Media Database 232

The Netflix TechBlog

SEPTEMBER 18, 2024

message IdempotencyToken ( Timestamp generation_time, String token ) At Netflix, client-generated monotonic tokens are preferred due to their reliability, especially in environments where network delays could impact server-side token generation. While processing this request, the server retrieves data from the backing store.

Latency 254

Latency Storage Cache Efficiency 254

SQL Shack

SEPTEMBER 23, 2020

In this 26th article for SQL Server Always On Availability Groups series, we will discuss the process to suspend and resume data movements between AG replicas. Suppose […].

Availability 104

Availability Servers Network Processing 104

CSS Wizardry

SEPTEMBER 16, 2024

This gives fascinating insights into the network topography of our visitors, and how much we might be impacted by high latency regions. These intermediates fall outside of the scope of this article, but if you’ve ever run a traceroute , you’re on the right lines. That’s exactly what this article is about. What is RTT?

Latency 215

Latency Cache Transportation Mobile 215

Scalegrid

JANUARY 3, 2020

Let’s walk through the steps involved in installing and configuring the Prometheus server to store and display the metrics, an exporter (MySQL Exporter in this case) to collect the metrics and relay them to the Prometheus server, and Grafana to create dashboards. For more details, you can refer this article.

Monitoring 164

Monitoring Metrics Servers Database 164

CSS Wizardry

AUGUST 24, 2022

I can reload the exact same page under the exact same network conditions over and over, and I can guarantee I will not get the exact same, say, DOMContentLoaded each time. What if another file on the critical path had dropped out of cache and needed fetching from the network? This next example was the motivation for this whole article.

Benchmarking 249

Benchmarking Metrics Cache Network 249

Smashing Magazine

MAY 16, 2022

Rethinking Server-Timing As A Critical Monitoring Tool. Rethinking Server-Timing As A Critical Monitoring Tool. In the world of HTTP Headers, there is one header that I believe deserves more air-time and that is the Server-Timing header. Setting Server-Timing. Sean Roberts. 2022-05-16T10:00:00+00:00.

Servers 95

Servers Monitoring Cache Network 95

The Polyglot Developer

FEBRUARY 5, 2016

I’m currently using the faster model as a RetroPie which I’ll discuss in a future article, but for the older models I have them doing server stuff. For example, I have my 256MB model acting as a network backup server that one of my computers automatically uploads to.

Network 56

Network Servers Development 56

DZone

JULY 3, 2023

In this article, we will explore the benefits of leveraging IaC for data engineering projects and provide detailed implementation steps to get started.

Data Engineering 150

Data Engineering Infrastructure Engineering Code 150

The Netflix TechBlog

NOVEMBER 23, 2020

Introducing gnmi-gateway: a modular, distributed, and highly available service for modern network telemetry via OpenConfig and gNMI By: Colin McIntosh, Michael Costello Netflix runs its own content delivery network, Open Connect , which delivers all streaming traffic to our members.

Open Source 188

Open Source Network Transportation Cache 188

High Scalability

SEPTEMBER 8, 2018

Each storage server collects statistics about the requests it serves, the data it stores, etc. This increases the cores and network bandwidth available to serve common requests. We also implemented a routing service that sends user requests to the correct servers in the correct tiers. Related Articles.

Storage 199

Storage Performance AWS Efficiency 199

The Netflix TechBlog

FEBRUARY 9, 2021

A few years ago, we decided to address this complexity by spinning up a new initiative, and eventually a new team, to move the complex handling of user and device authentication, and various security protocols and tokens, to the edge of the network, managed by a set of centralized services, and a single team.

Architecture 230

Architecture Latency Servers Systems 230

Smashing Magazine

OCTOBER 29, 2018

Measuring Performance With Server Timing. Measuring Performance With Server Timing. That issue is slow server response times. There’s very little browser optimisations can do to improve a page that is simply slow to build on the server. Encompassed in that wait time is everything the server needs to do to build the page.

Servers 88

Servers Performance Metrics Database 88

Smashing Magazine

AUGUST 9, 2021

These statements and articles typically skip over some crucial technical details , are lacking in nuance, and usually are only partially correct. It was heralded as an amazing performance revolution, with exciting new features such as server push, parallel streams, and prioritization.

Transportation 145

Transportation Internet Internet Network 145

SQL Shack

JULY 13, 2020

In this series for SQL Server Always On availability groups, we are covering end to end configurations for SQL Server 2019 on Windows Server 2016. In the article, A comprehensive guide to SQL Server Always On Availability Groups on Windows Server 2016, we configured three virtual machines with their networking configurations.

Availability 77

Availability Servers Virtualization Network 77

DZone

JULY 8, 2022

This article will dive into the HTTP 103 status code with a quick demo. From the Mozilla Developer Network Web Docs, HTTP 103 Early Hints is the information response status code primarily intended to be used with the Link header to allow the user agent to start preloading resources while the server is still preparing a response.

Google 130

Google Network Code Servers 130

CSS Wizardry

AUGUST 19, 2024

The possible navigation types are: Navigate: A hard navigation that resulted in an HTML page being fetched from the network. Navigate 70% of page views are Navigations , which means a user landed on them via a hard navigation and the file was fetched from the network. Cache: An HTML response returned from the HTTP cache.

Cache 225

Cache Network Strategy Analytics 225

Dynatrace

MARCH 19, 2020

In the article, Alois points out a simple technique to identify where unused capacity could be reclaimed to reduce costs, that can then be used to retain the staff which will help you transform. The obvious slow down impact happens when your network throughput becomes saturated. This won’t solve all capacity issues, but it can help.

Infrastructure 188

Infrastructure Innovation Cloud Metrics 188

Highly Scalable

SEPTEMBER 18, 2012

In this article I’m trying to provide more or less systematic description of techniques related to distributed operations in NoSQL databases. In the rest of this article we study a number of distributed activities like replication of failure detection that could happen in a database. This fact is often referred to as the CAP theorem.

Database 213

Database Latency C++ Scalability 213

CSS Wizardry

JANUARY 31, 2019

When it comes to network performance, there are two main limiting factors that will slow you down: bandwidth and latency. how long it takes for a bit of data to travel across the network from one node or endpoint to another. a CDN) or mitigating network overhead (e.g. This is the column we want to focus on for this article.

Latency 136

Latency Network Speed Servers 136

Dynatrace

NOVEMBER 20, 2019

Full-stack OneAgent for Z/Linux is derived from the implementation of OneAgent for Linux on x86 and x64 platforms, and so is a fully qualified citizen of the OneAgent family with only a few differences mentioned later in this article. Network measurements with per-interface and per-process resolution.

Availability 32

Availability Hardware Java Tuning 32

Jos

JUNE 2, 2018

Simulate bad network conditions and slow CPUs and make your project resilient. How would you architecture a non-trivial size web project (client, server, databases, caching layer)? How do you scale it through different servers? This is not real performance optimization, this is just playing with the numbers. Where do you store?

Performance 237

Performance Speed Google Media 237

KeyCDN

FEBRUARY 4, 2021

This query is performed by a Domain Name Server (DNS server) or servers nearby that have been assigned responsibility for that hostname. You can think of a DNS server as a phone book for the internet. A DNS server maintains a directory of domain names and translates them to IPs. So DNS services definitely go down!

Cache 134

Cache Website Internet Internet 134

Dynatrace

NOVEMBER 23, 2020

Kubernetes Dashboard as a part of a comprehensive monitoring solution This article introduces the key building blocks to consider when designing your Kubernetes monitoring solution. After applying the first manifests (which are likely copied and pasted from a how-to tutorial ), a web server is up and running within minutes.

Virtualization 165

Virtualization Infrastructure Monitoring Cloud 165

Smashing Magazine

JULY 18, 2022

If you think that static rendering is limited to generic, public content that is the same for every user of your website, you should definitely read this article. Segmented Rendering is a new pattern for the Jamstack that lets you personalize content statically, without any sort of client-side rendering or per-request Server-Side Rendering.

Cache 118

Cache Website Servers Energy 118