Brendan Gregg

JANUARY 1, 2019

It can be used for many things: network performance, firewalls, security, tracing, and device drivers. Programming in eBPF directly is incredibly hard, the same as coding in v8 bytecode. But no one codes in v8: they code in JavaScript, or often a framework on top of JavaScript (jQuery, Angular, React, etc). 46644 127.0.0.1

C++ 111

C++ Virtualization Programming Code 111

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Example: Let’s take an example of an e-commerce mobile app. Unit Testing – Developers execute unit tests for the smallest unit of code, whenever they commit new code in the code repository.

Mobile 82

Mobile Testing Hardware C++ 82

Dynatrace

NOVEMBER 6, 2023

As an example, many retailers already leverage containerized workloads in-store to enhance customer experiences using video analytics or streamline inventory management using RFID tracking for improved security. Moreover, edge environments can be highly dynamic, with devices frequently joining and leaving the network.

Retail 258

Retail Analytics Storage Cloud 258

CSS Wizardry

OCTOBER 16, 2023

Compressing them over the network: Which compression algorithm, if any, will we use? In our specific examples above, the one-big-file pattern incurred 201ms of latency, whereas the many-files approach accumulated 4,362ms by comparison. Connection One thing we haven’t looked at is the impact of network speeds on these outcomes.

Cache 291

Cache Latency Strategy Speed 291

Dynatrace

MARCH 6, 2024

This approach offers potentially improved performance and reliability, as the registry can be optimized for specific network environments. This process involves a few steps: Query public registry on latest OneAgent, code module, and ActiveGate tag information Copy container image to private registry Check that the images are valid and secure.

Cloud 212

Cloud Monitoring Java Infrastructure 212

Dynatrace

APRIL 15, 2024

For example, government agencies use an array of cloud platforms spanning 12 environments on average. However, with today’s modern architectures, use cases expand to the services, processes, hosts, logs, networks, and end-users that access these applications (including an agency’s citizens and employees).

Infrastructure 208

Infrastructure Efficiency Government Transportation 208

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+. Once the whole fleet has turned over, the code for the now unused version(s) can be removed. SOSP’19. It reminds me of ZeroMQ.

Network 92

Network Transportation Latency Entertainment 92

CSS Wizardry

DECEMBER 9, 2023

A trivial performance optimisation to help speed up third-party or other-origin requests is to preconnect them: hint that the browser should preemptively open a full connection ( DNS , TCP , TLS ) to the origin in question, for example: In the right circumstances, this simple, single line of HTML can make pages hundreds of milliseconds faster !

Speed 234

Speed Network Analytics Availability 234

Testsigma

JUNE 3, 2021

Example: An e-commerce website is unable to process the payment part. For example, a user has submitted a form, and the progress bar is showing no progress or activity then the user will get confused if the form has been submitted successfully or not. Example: divide by zero, multiplication of 2 large numbers, etc.

Software 82

Software Software Testing Hardware 82

The Netflix TechBlog

FEBRUARY 13, 2024

Conversely, using integration testing tools like Cypress or Playwright provides control over the page, but sacrifices the ability to instrument the bootstrapping code for the app. This approach has its own set of challenges: Difficulty in making calls to an alternative API endpoint without implementing custom network layer API rewrite rules.

Testing 244

Testing Code Servers Testing Tools 244

Dynatrace

JULY 25, 2023

This expansion of Davis AI complements the proven Dynatrace predictive AI model (for example, forecasting and anomalies) and our causal AI model (for example, determination of a problem’s root cause, security risks, user impact, and steering automation), which are at the core of the Dynatrace platform.

Best Practices 234

Best Practices Analytics Metrics Code 234

Dean Hume

JULY 30, 2018

Without fail, there is this spot along the line where my network connection drops from a clear 4G signal to a 2G signal at best. This is where the Network Information API aims to change things. There are a number of use cases for the Network Information API. Enough with the talking - let’s get started with some code!

Network 78

Network Speed Google Mobile 78

Dynatrace

MAY 21, 2021

Although you can code the logic that governs communication directly into the microservices, a service mesh abstracts that logic into a parallel layer of infrastructure using a proxy called a sidecar, which runs alongside each service. A service mesh enables DevOps teams to manage their networking and security policies through code.

Traffic 241

Traffic DevOps Infrastructure Network 241

Dynatrace

SEPTEMBER 23, 2021

To function effectively, containers need to be able to communicate with each other and with network services. If containers are run with privileged flags, or if they receive details about host processes, they can easily become points of compromise for corporate networks. Source code tests. Network scanners.

Open Source 250

Open Source Benchmarking Best Practices Network 250

Dynatrace

OCTOBER 13, 2021

Examples of such weaknesses are errors in application code, misconfigured network devices, and overly permissive access controls in a database. Static analysis of application code finds specific points in software that a hacker can exploit, such as SQL injection attacks. How does vulnerability assessment work?

Infrastructure 170

Infrastructure Open Source Virtualization Operating System 170

CSS Wizardry

JUNE 30, 2023

More accurately, DOMContentLoaded signifies that all blocking and defer and type=module code has finished running. domContentLoadedEventStart And of course, we should be very used to seeing DOMContentLoaded at the bottom of DevTools’ Network panel: They’re some satisfying numbers. log ( ' `defer`ed code finished: ' + ( timings.

Metrics 326

Metrics Google Monitoring Analytics 326

Dynatrace

AUGUST 18, 2022

According to the 2022 CISO Research Report , only 25% of respondents’ security teams “can access a fully accurate, continuously updated report of every application and code library running in production in real-time.” Undetected, the compromised code could allow attackers to access data they’re not authorized to have.

Traffic 164

Traffic Java Network DevOps 164

Dynatrace

SEPTEMBER 13, 2023

For example, optimizing resource utilization for greater scale and lower cost and driving insights to increase adoption of cloud-native serverless services. Using an interactive no/low code editor, you can create workflows or configure them as code.

AWS 246

AWS Efficiency Azure Cloud 246

Dynatrace

JULY 11, 2023

Example forecast of remaining disk capacity with upper/lower bounds and an anticipated value. The example workflow below is triggered every Monday at 8:00 AM to provide a capacity report for all the disks that will likely run out of space within the next week. In this example, two parallel actions are defined.

Metrics 203

Metrics Games Analytics Network 203

Dynatrace

OCTOBER 14, 2022

To further enrich log data for automated observability, it’s necessary to dynamically tie logs to distributed traces on the code level, user sessions in the app front-end, and the topology of your IT landscape. Collecting logs that aren’t relevant to their business case creates noise, overloads congested networks, and slows down teams.

Storage 227

Storage Government Network Infrastructure 227

Dynatrace

JUNE 7, 2023

Without having to worry about underlying infrastructure concerns, such as storage, security, and lifecycle management, developers can focus on writing code. For example, OpenShift simplifies Kubernetes management tools, giving developers everything they need to manage Kubernetes nodes, as well as the underlying control plane.

Open Source 206

Open Source Social Media Infrastructure Operating System 206

Dynatrace

DECEMBER 16, 2020

Typically, the attackers attempt to exploit some weakness in the vendor’s development or delivery life cycle and attempt to inject malicious code before an application is signed and certified. It all starts with the code. Dynatrace has established a secure SDL, which automatically enforces that all developed code is reviewed by a peer.

Software 233

Software Software Development AWS 233

Dynatrace

OCTOBER 16, 2023

At the Dynatrace Innovate conference in Barcelona, Bernd Greifeneder, Dynatrace chief technology officer, discussed key examples of how the Dynatrace observability platform delivers value well beyond traditional monitoring. That’s why we added to Dynatrace AutomationEngine , to run workflows, or use code to automate,” Greifeneder explained.

Innovation 197

Innovation DevOps Cloud Efficiency 197

Scalegrid

DECEMBER 14, 2023

MongoDB drivers provide several options for Mongo clients to handle different network timeout errors that may occur during usage. For example, your payment history might be on one database cluster and your analytics records on another cluster. Knowing about these types of timeouts is essential for mastering MongoDB usage.

Java 130

Java Network Servers Database 130

Dynatrace

MAY 17, 2023

But its underlying goal is quite humble and straightforward: it wants to enable you to observe an IT system (for example, a web application, infrastructure, or services) and gain insight to its behavior, such as performance, error rates, hot spots of executed instructions in code, and more.

Metrics 180

Metrics Open Source Traffic Cache 180

Dynatrace

FEBRUARY 15, 2023

Every automated workflow consists of easy configuration, extensive trigger options, out-of-the-box actions and integrations, and unprecedented extensibility by leveraging webhooks, JavaScript code, and application actions powered by AppEngine. Example workflow for event-driven vulnerability reporting and escalation.

Cloud 173

Cloud DevOps Code Open Source 173

Dynatrace

MAY 17, 2023

However, this method limited us to instrumenting the code manually and collecting specific sets of data we defined upfront. It is available for the major OS and cloud platforms (for example, Windows, Linux, Solaris, AWS, Azure, and more) and only requires the deployment of a single service to monitor its environment.

Metrics 171

Metrics Monitoring Database Network 171

Brendan Gregg

DECEMBER 31, 2018

It can be used for many things: network performance, firewalls, security, tracing, and device drivers. Programming in eBPF directly is incredibly hard, the same as coding in v8 bytecode. But no one codes in v8: they code in JavaScript, or often a framework on top of JavaScript (jQuery, Angular, React, etc). 46644 127.0.0.1

C++ 52

C++ Virtualization Programming Code 52

Dynatrace

MARCH 18, 2024

For example, Amazon Web Services (AWS) charges for data transfer between Amazon EC2 instances within the same region. For example, poorly written code can consume a lot of resources, or an application can make unnecessary calls to cloud services. Unnecessary data transfer. On-demand payment agreement.

Best Practices 232

Best Practices Strategy Cloud AWS 232

Smashing Magazine

NOVEMBER 2, 2021

Creating A Magento PWA: Customizing Themes vs. Coding From Scratch. Creating A Magento PWA: Customizing Themes vs. Coding From Scratch. One of the reasons for that is because a PWA has the same code base. So unlike the case with native applications, the progressive web app needs to be coded only once. Alex Husar.

Code 75

Code Cache Retail Mobile 75

Dynatrace

DECEMBER 9, 2020

Cloud-native technologies and microservice architectures have shifted technical complexity from the source code of services to the interconnections between services. Deep-code execution details. OneAgent implements network zones to create traffic routing rules and limit cross data-center traffic. Dynatrace news.

Java 233

Java Traffic Strategy Architecture 233

Dynatrace

MAY 17, 2023

This code essentially initializes OpenTelemetry and provides us with access to an OpenTelemetry tracer and meter instance. <?php Similar to our previous example with PHP, we’ll use the Node.js php declare(strict_types=1); require __DIR__. OpenTelemetry configuration for JavaScript / Node.js

Transportation 186

Transportation Metrics Best Practices Code 186

Dynatrace

SEPTEMBER 29, 2021

A standard Docker container can run anywhere, on a personal computer (for example, PC, Mac, Linux), in the cloud, on local servers, and even on edge devices. These tools integrate tightly with code repositories (such as GitHub) and continuous integration and continuous delivery (CI/CD) pipeline tools (such as Jenkins). Networking.

Open Source 301

Open Source Traffic DevOps Cloud 301

Dynatrace

AUGUST 24, 2020

To make this possible, the application code should be instrumented with telemetry data for deep insights, including: Metrics to find out how the behavior of a system has changed over time. Synthetic Monitoring is used to simulate defined customer behavior, for example when opening a website and clicking a certain button.

Analytics 240

Analytics Infrastructure AWS Operating System 240

Dynatrace

SEPTEMBER 21, 2023

These metrics include CPU, memory, disk, and network I/O. For example, Dynatrace has been able to view underutilized instances in a specific AWS data center along with top CO2e emitters within a specific host group. As a result, this baseline measurement has become an important component of our sustainability strategy.

Energy 233

Energy Cloud Airlines Strategy 233

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. For the sake of ease, I’m going to use Largest Contentful Paint (LCP) as the example. For example, continuing our task to reduce CSS size: performance.

Benchmarking 212

Benchmarking Metrics Cache Network 212

Dynatrace

MAY 31, 2023

The growing amount of data processed at the network edge, where failures are more difficult to prevent, magnifies complexity. For example, a panel of customers may occasionally provide feedback on service quality and performance. Visibility and automation are two of the most important SRE tools.

Best Practices 223

Best Practices DevOps Latency Metrics 223