The Netflix TechBlog

JUNE 7, 2021

By Alok Tiagi , Hariharan Ananthakrishnan , Ivan Porto Carrero and Keerti Lakshminarayan Netflix has developed a network observability sidecar called Flow Exporter that uses eBPF tracepoints to capture TCP flows at near real time. Without having network visibility, it’s difficult to improve our reliability, security and capacity posture.

Network 325

Network Transportation AWS Cloud 325

Dynatrace

OCTOBER 10, 2023

EdgeConnect provides a secure bridge for SaaS-heavy companies like Dynatrace, which hosts numerous systems and data behind VPNs. In this hybrid world, IT and business processes often span across a blend of on-premises and SaaS systems, making standardization and automation necessary for efficiency.

Systems 222

Systems Efficiency Internet Internet 222

Dynatrace

DECEMBER 13, 2023

Mobile applications (apps) are an increasingly important channel for reaching customers, but the distributed nature of mobile app platforms and delivery networks can cause performance problems that leave users frustrated, or worse, turning to competitors. What is mobile app performance?

Best Practices 200

Best Practices Mobile Metrics Performance 200

DZone

JUNE 30, 2020

JMeter Netconf Plug-in and Network Service Automation. Network service automation-related requirements are usually realized by means of commercial or open-source network orchestrator or controller software system. JMeter Netconf plug-in implementation includes two modules.

Network 246

Network Open Source Engineering Software 246

Dynatrace

OCTOBER 23, 2023

Microsoft Hyper-V is a virtualization platform that manages virtual machines (VMs) on Windows-based systems. It enables multiple operating systems to run simultaneously on the same physical hardware and integrates closely with Windows-hosted services. This leads to a more efficient and streamlined experience for users.

Efficiency 216

Efficiency Virtualization Hardware Performance 216

DZone

JULY 5, 2023

While load testing may sound like an esoteric domain exclusive to software engineers or network administrators, it is, in fact, a silent superhero in our increasingly digital world. Let's dive into the world of load testing, examining its significance in our digital lives and how it impacts the software and systems we interact with daily.

Systems 109

Systems Testing Software Engineering Performance 109

Dynatrace

SEPTEMBER 8, 2022

Log management is an organization’s rules and policies for managing and enabling the creation, transmission, analysis, storage, and other tasks related to IT systems’ and applications’ log data. This is critical to ensure high performance, security, and a positive user experience for cloud-native applications and services.

Systems 187

Systems Cloud Analytics DevOps 187

Percona

JULY 20, 2023

We often forget or take for granted the network hops involved and the additional overhead it creates on the overall performance. But it could cause severe performance penalties in many cases and overall throughput deterioration. He demonstrated a specific case of a 2x performance degradation while using TCP/IP connection.

Network 61

Network Performance Latency Servers 61

Dynatrace

NOVEMBER 22, 2022

The nirvana state of system uptime at peak loads is known as “five-nines availability.” In its pursuit, IT teams hover over system performance dashboards hoping their preparations will deliver five nines—or even four nines—availability. How can IT teams deliver system availability under peak loads that will satisfy customers?

Infrastructure 185

Infrastructure Availability Systems Retail 185

Dotcom-Montior

NOVEMBER 24, 2021

There was a time when standing up a website or application was simple and straightforward and not the complex networks they are today. Web developers or administrators did not have to worry or even consider the complexity of distributed systems of today. Great, your system was ready to be deployed. What is a Distributed System?

Systems 74

Systems Monitoring Hardware Network 74

DZone

SEPTEMBER 14, 2023

With the advent of cloud computing, managing network traffic and ensuring optimal performance have become critical aspects of system architecture. Amazon Web Services (AWS), a leading cloud service provider, offers a suite of load balancers to manage network traffic effectively for applications running on its platform.

AWS 258

AWS Traffic Network Architecture 258

ACM Sigarch

DECEMBER 19, 2022

When I worked at Google, fleet-wide profiling revealed that 25-35% of all CPU time was spent just moving bytes around: memcpy, strcmp, copying between user and kernel buffers in network and disk I/O, hidden copy-on-write in soft page faults, checksumming, compressing, decrypting, assembling/disassembling packets and HTML pages, etc.

Design 145

Design Systems Cache Network 145

Dynatrace

JUNE 7, 2019

We continue to grow our public synthetic monitoring locations, but customers using Dynatrace Synthetic still need to monitor the performance and availability of internal web applications. Now, you’ll be able to: Measure internal web page performance and availability with single-URL monitors. Scalability and load balancing.

Network 158

Network Monitoring Servers Hardware 158

Dynatrace

APRIL 15, 2024

Critical infrastructure and services refer to the systems, facilities, and assets vital for the functioning of society and the economy. In a monitoring scenario, teams typically preconfigure dashboards to alert about performance issues they may expect to see later. Observability differs from monitoring.

Infrastructure 211

Infrastructure Efficiency Government Transportation 211

DZone

DECEMBER 11, 2023

HAProxy is one of the cornerstones in complex distributed systems, essential for achieving efficient load balancing and high availability. This open-source software, lauded for its reliability and high performance, is a vital tool in the arsenal of network administrators, adept at managing web traffic across diverse server environments.

Servers 257

Servers Traffic Games Open Source 257

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. The usual caveats also apply: Performance is a deep and nuanced domain, and much can go wrong beyond content size and composition. How sites manage resources after-load can have a big impact on perceived performance.

Performance 90

Performance Network Mobile Speed 90

Dynatrace

MARCH 6, 2024

IBM i, formerly known as iSeries, is an operating system developed by IBM for its line of IBM i Power Systems servers. It is based on the IBM AS/400 system and is known for its reliability, scalability, and security features. Gaining knowledge about IBM i performance can be a challenging and pricey task. What is IBM i?

Monitoring 237

Monitoring Infrastructure Metrics Analytics 237

DZone

NOVEMBER 16, 2023

In this article, we will explore one of the most common and useful resilience patterns in distributed systems: the circuit breaker. The circuit breaker is a design pattern that prevents cascading failures and improves the overall availability and performance of a system. What Is a Circuit Breaker?

Latency 258

Latency Network Database Monitoring 258

DZone

APRIL 26, 2022

An equally important aspect of this AI growth equation is the ever-expanding demands it places on computer system requirements to deliver higher AI performance. What’s more is that this AI performance boost driven by software optimizations is free, requiring almost no code changes or developer time and no additional hardware costs.

Software 130

Software Software Performance Hardware 130

DZone

DECEMBER 28, 2020

The system could work efficiently with a specific number of concurrent users; however, it may get dysfunctional with extra loads during peak traffic. Performances testing helps establish the scalability, stability, and speed of the software application. Confirming scalability, dependability, stability, and speed of the app is crucial.

Performance Testing 220

Performance Testing Testing Tools Testing Performance 220

Alex Podelko

AUGUST 18, 2019

First, I’d like to elaborate on “It may be less need for simple load testing due to increased scale and sophistication of systems” I meant that the traditional way – testing the system before deploying in production using production-type workload – is not the only way anymore.

Performance Testing 243

Performance Testing Testing Performance Testing Tools 243

Brendan Gregg

JULY 15, 2019

BPF (eBPF) tracing is a superpower that can analyze everything, and I'll show you how in my upcoming book BPF Performance Tools: Linux System and Application Observability , coming soon from Addison Wesley. A time where you can pose arbitrary questions of the system, and it can answer them.

Systems 111

Systems Performance Education Technology 111

Dynatrace

MARCH 20, 2024

Application security monitoring is the practice of monitoring and analyzing applications or software systems to detect vulnerabilities, identify threats, and mitigate attacks. Forensics focuses on the systemic investigation and analysis of digital evidence to determine root causes.

Monitoring 214

Monitoring Analytics Traffic Best Practices 214

DZone

OCTOBER 10, 2023

Efficient device management allows organizations to handle this vast network without hitches. Core Functions of IoT Device Management Provisioning and authentication : This is the initial phase, where a device is introduced into the system. Secure cryptographic methods establish its identity and grant it access to the network.

IoT 298

IoT Internet Internet Network 298

Dynatrace

FEBRUARY 1, 2024

The complex interconnections in cloud-based systems make it crucial to always have a topological overview to understand dependencies. Any problem, such as a simple software update overburdening a critical database, can cause a ripple effect that degrades the performance of dependent services or applications. What’s next?

Infrastructure 183

Infrastructure Metrics Network Monitoring 183

DZone

FEBRUARY 9, 2024

A privileged user is someone who has been granted elevated permissions to access certain data, applications, or systems within an organization. These users are typically IT admins who require these privileges to perform their job duties, such as system administrators, database administrators , and network engineers.

Strategy 183

Strategy Architecture Network Database 183

DZone

JULY 11, 2023

Artificial Intelligence: Definition and Practical Applications Artificial intelligence (AI) refers to the development of computer systems that can perform tasks that typically require human intelligence.

Artificial Intelligence 109

Artificial Intelligence Healthcare Network Transportation 109

DZone

APRIL 4, 2023

Service meshes are becoming increasingly popular in cloud-native applications as they provide a way to manage network traffic between microservices. Intelligent autoscaling: Adjusts resource allocation based on demand and performance. Istio, one of the most popular service meshes, uses Envoy as its data plane.

Traffic 261

Traffic Network Architecture Monitoring 261

DZone

FEBRUARY 26, 2021

Today, every business wants high-performing and high-quality software. But usually, it is seen that most of the applications fail to deliver expected performance under peak load or fluctuating network conditions. What Is Performance Testing? Today, let's learn more about this testing type in depth.

Performance Testing 122

Performance Testing Testing Performance Latency 122

DZone

MAY 5, 2020

Amazon EFS enables you to build cloud-based network file systems for Linux-based workloads and applications. Before moving any workloads, you should test drive EFS, and after the move, you should perform performance optimization on a regular basis.

Performance 130

Performance AWS Infrastructure Network 130

DZone

FEBRUARY 5, 2024

In the fast-paced digital world, where every millisecond counts, understanding the nuances of network latency becomes paramount for developers and system architects. Latency, the delay before a transfer of data begins following an instruction for its transfer, can significantly impact user experience and system performance.

Latency 141

Latency Metrics Network Systems 141

Dynatrace

MAY 8, 2023

The process involves monitoring various components of the software delivery pipeline, including applications, infrastructure, networks, and databases. In addition, monitoring DevOps processes provide the following benefits: Improve system performance. Help systems meet SLAs. Increase system uptime.

DevOps 222

DevOps Efficiency Monitoring Infrastructure 222

Dynatrace

DECEMBER 15, 2022

This transition to public, private, and hybrid cloud is driving organizations to automate and virtualize IT operations to lower costs and optimize cloud processes and systems. Besides the traditional system hardware, storage, routers, and software, ITOps also includes virtual components of the network and cloud infrastructure.

Artificial Intelligence 205

Artificial Intelligence DevOps Hardware Virtualization 205

The Morning Paper

NOVEMBER 10, 2019

Snap: a microkernel approach to host networking Marty et al., This paper describes the networking stack, Snap , that has been running in production at Google for the last three years+. A brownout phase performs a preparatory background transfer of all the key state to a memory region shared with the new version. SOSP’19.

Network 92

Network Transportation Latency Entertainment 92

Dynatrace

JUNE 1, 2020

Application Performance Monitoring (APM) in its simplest terms is what practitioners use to ensure consistent availability, performance, and response times to applications. APM can also be referred to as: Application performance management. Performance monitoring. Dynatrace news. Application monitoring.

Monitoring 132

Monitoring Performance Social Media Artificial Intelligence 132

Testlodge

NOVEMBER 1, 2021

” Destructive testing is a method that uses the system in a way other than intended to make the software program deliberately fail. How the system responds is then analyzed. Some of the tools are data-driven and allow the tester to perform actions as a user who is uninformed about the internal workings of the software program.

Systems 81

Systems Testing Software Software 81

Dynatrace

JANUARY 20, 2020

If you work with SAP ABAP, you may have noticed that finding information about SAP application and transaction performance involves scaling a high barrier to entry. While powerful, SAP performance management tools like the SAP Solution Manager are also complex. Which users, and on which systems?

Monitoring 153

Monitoring Performance Infrastructure Network 153