Dynatrace

AUGUST 27, 2019

In Part 1 we explored how DevOps teams can prevent a process crash from taking down services across an organization in five easy steps. Step 1 – Let Dynatrace analyze your infrastructure health in real-time. Step 5 – xMatters triggers a runbook in Ansible to fix the disk latency.

Systems 176

Systems DevOps Latency Azure 176

The Netflix TechBlog

AUGUST 30, 2021

The Partner Infrastructure team at Netflix provides solutions to support these two significant efforts by enabling device management at scale. Together, they form the Device Management Platform, which is the infrastructural foundation for Netflix Test Studio (NTS).

Latency 213

Latency Traffic Transportation Cloud 213

The Netflix TechBlog

SEPTEMBER 8, 2020

The big difference from the monolith, though, is that this is now a standalone service deployed as a separate “application” (service) in our cloud infrastructure. You can find a lot more details about how this works in the Spinnaker canaries documentation. For the migration, testing was a first-class citizen.

Latency 233

Latency Cache Java Traffic 233

Dynatrace

JANUARY 13, 2022

Real user monitoring (RUM) is a performance monitoring process that collects detailed data about a user’s interaction with an application. Providing insight into the service latency to help developers identify poorly performing code. Modern digital services are complex and will sometimes fail—that’s unavoidable. Learn more!

Monitoring 170

Monitoring Latency Mobile Best Practices 170

Adrian Cockcroft

JANUARY 29, 2023

The mean and percentile measurements hide this structure, but the rest of this post will show how the structure can be measured and analyzed so that you can figure out a useful model of your system, understand what is driving the long tail of latencies and come up with better SLAs and measures of capacity.

Lambda 98

Lambda Latency Cache C++ 98

The Netflix TechBlog

NOVEMBER 2, 2021

This system is responsible for processing incoming media files, such as video, audio and subtitles, and making them playable on the streaming service. This enables us to use our scale to increase throughput and reduce latencies. Here is a step-by-step description of the processes involved: 1. The workflow is initiated.

Media 171

Media Innovation Metrics Latency 171

CSS Wizardry

AUGUST 13, 2019

Although this response has a 0B filesize, we will always take the latency hit on every single page view (and this response is basically 100% latency). com , which introduces yet more latency for the connection setup. There was no appetite for providing or even documenting the alternative (i.e. View full size (17KB).

Latency 203

Latency Cache Strategy Media 203

Dynatrace

JULY 10, 2019

This article we help distinguish between process metrics, external metrics and PurePaths (traces). If you already have the OneAgent installed, and you’d like to bring in additional process metrics into Dynatrace , the OneAgent plugin is a good fit. OneAgent & application metrics. OneAgent & cloud metrics.

Java 132

Java Best Practices Metrics Azure 132

Smashing Magazine

AUGUST 3, 2023

However, achieving a good LCP score is often a multi-faceted process that involves optimizing several stages of loading and rendering. HTML Processing Once a web page’s HTML file has been downloaded, the browser begins to process the contents line by line, translating code into the visual website that users interact with.

Performance 75

Performance Cache Traffic Metrics 75

Alex Russell

MAY 9, 2022

This is a complex topic, but to borrow from a recent post , web performance expands access to information and services by reducing latency and variance across interactions in a session, with a particular focus on the tail of the distribution (P75+). Engagement: Poor performance has a well-documented relationship to reduced engagement.

Performance 86

Performance Latency Metrics Engineering 86

CSS Wizardry

MARCH 3, 2019

If, however, there wasn’t a new file on the server, we’ll bring back a 304 header, no new file, but an entire roundtrip of latency. We can completely cut out the overhead of a roundtrip of latency. On high latency connections, this saving could be tangible. from Cloudflare’s own documentation: …a request for “ style.css?something

Cache 264

Cache Latency Strategy Servers 264

Testsigma

AUGUST 24, 2020

Continuous Testing is the process of testing at all stages of software development – one after the another- without any human intervention. Teams often resort to using in-house test automation tools or frameworks which are neither well-documented nor well-maintained. Introduction. Let’s check: i.

Testing 69

Testing Open Source Scalability Latency 69

Percona

APRIL 17, 2023

The CFQ works well for many general use cases but lacks latency guarantees. The deadline excels at latency-sensitive use cases ( like databases ), and noop is closer to no schedule at all. 25.84 - Total 21.04 zone_reclaim_mode In some OS versions, the vm.zone_reclaim_mode is enabled. 25.84 - Total 21.04

Best Practices 52

Best Practices Design Tuning Database 52

Dotcom-Montior

DECEMBER 8, 2021

Now that we have talked about what an incident is, incident management is the process by which teams resolve these events and bring systems and services back to normal operation. ITSM is the policies, processes, and structure behind the lifecycle of IT services. Incident Management Lifecyle: Process and Steps. Service Desk.

Social Media 90

Social Media Monitoring Latency DevOps 90

The Netflix TechBlog

DECEMBER 17, 2019

Nonetheless, we found a number of limitations that could not satisfy our requirements e.g. stalling the processing of log events until a dump is complete, missing ability to trigger dumps on demand, or implementations that block write traffic by using table locks. Some of DBLog’s features are: Processes captured log events in-order.

Database 197

Database Traffic Transportation Open Source 197

The Netflix TechBlog

DECEMBER 17, 2019

Nonetheless, we found a number of limitations that could not satisfy our requirements e.g. stalling the processing of log events until a dump is complete, missing ability to trigger dumps on demand, or implementations that block write traffic by using table locks. Some of DBLog’s features are: Processes captured log events in-order.

Database 212

Database Traffic Transportation Open Source 212

The Morning Paper

JULY 7, 2019

Previously on The Morning Paper we’ve looked at the spread of machine learning through Facebook and Google and some of the lessons learned together with processes and tools to address the challenges arising. A general process. The generic machine learning process looks like this: ( Enlarge ). ICSE’19.

Software Engineering 92

Software Engineering Engineering Software Software 92

The Morning Paper

FEBRUARY 23, 2020

Our approach differs substantially by (1) providing economic incentives for data to be contributed and integrated into existing schemas, (2) offering a SQL interface instead of graph based approaches, (3) including the computational and storage infrastructure in the architectural vision. Contractors that don’t want to pay publishers?

Blockchain 94

Blockchain Internet Internet IoT 94

O'Reilly

NOVEMBER 12, 2019

Respondents who have implemented serverless made custom tooling the top tool choice—implying that vendors’ tools may not fully address what organizations need to deploy and manage a serverless infrastructure. In our analysis, we assigned experience levels to our respondents for some of the survey questions. Industries of survey respondents.

Serverless 88

Serverless Architecture FinTech Infrastructure 88

Abhishek Tiwari

JULY 12, 2018

These data pipelines can process data at petabytes scale and to some extent, their success can be attributed to an army of engineers devoted to build and maintain internal data pipelines. Depending on frameworks, data processing units (a.k.a A data pipeline can process data in a different order than they were received.

Latency 63

Latency Analytics Scalability Engineering 63

Adrian Cockcroft

NOVEMBER 18, 2019

OPN304 Learnings from migrating a service from JDK 8 to JDK 11 AWS Lambda improved latency by migrating to JDK 11 with Amazon Corretto. Join Lee Packham, AWS Solutions Architect and Enrico Huijbers, AWS Software Development Engineer to find out how easy it is.

Open Source 40

Open Source AWS Lambda Serverless 40

Adrian Cockcroft

NOVEMBER 18, 2019

OPN304 Learnings from migrating a service from JDK 8 to JDK 11 AWS Lambda improved latency by migrating to JDK 11 with Amazon Corretto. Join Lee Packham, AWS Solutions Architect and Enrico Huijbers, AWS Software Development Engineer to find out how easy it is.

Open Source 40

Open Source AWS Lambda Serverless 40

Adrian Cockcroft

APRIL 18, 2018

Juvenal Photo taken in Lisbon Portugal by Adrian Cockcroft The documentation for most monitoring tools describes how to use that tool in isolation, often as if no other tools exist, but sometimes with ways to import or export some of the data to other tools. “Quis custodiet ipsos custodes?”?—?Juvenal

Monitoring 40

Monitoring Systems Virtualization Metrics 40

Percona

MAY 2, 2023

The speed of backup also depends on allocated IOPS and type of storage since lots of read/writes would be happening during this process. This will be done serially in one pass through the collection after the inserts have finished, which can add a lot of time for big collection restores.

Best Practices 52

Best Practices Database Storage Servers 52

IO River

NOVEMBER 2, 2023

Therefore, there might be cases where your system could experience a downtime during the migration process. Not only that, but there can be cases where a piece of your application could break during the migration process that could take a long time to get back running.‍How How does vendor lock-in occur?It's

Lambda 52

Lambda AWS Cache Website 52

Abhishek Tiwari

NOVEMBER 3, 2018

You should expect one-time implementation cost (depending CMS and business requirements it can cost 200,000 USD to 3M USD) and yearly hosting infrastructure cost (proportional to load and traffic but typically 30,000 USD - 300,000 USD per year). This made whole publishing process really slow and painful and CMS was part of growing pain.

Systems 63

Systems Cache Website Network 63

Alex Russell

OCTOBER 22, 2017

Teams with this support are free to set performance budgets, do “bakeoffs” between competing approaches, and invest in performance infrastructure. This isn’t true (more on that in a follow-up post), and sites which are built this way implicitly require more script in each document (e.g., for router components).

Performance 68

Performance Benchmarking Network Mobile 68

IO River

NOVEMBER 2, 2023

Therefore, there might be cases where your system could experience a downtime during the migration process. Not only that, but there can be cases where a piece of your application could break during the migration process that could take a long time to get back running.‍How does vendor lock-in occur?It's

Lambda 52

Lambda AWS Cache Website 52

Alex Russell

MARCH 6, 2021

Unless a site is installed to the home screen as a PWA , any single page is just another in a series of documents that users experience as a river of links. Advances in browser content processing. In 2016, Jio swept over the subcontinent like a monsoon dropping a torrent of 4G infrastructure and free data rather than rain.

Performance 124

Performance Network Cache Metrics 124

Alex Russell

JULY 14, 2021

To quote the Android documentation , a WebView is.: No documentation is available for third-party web developers from any of the largest WebView IAB (ab)users. Such enforcement is not challenging for Google, given its existing binary analysis infrastructure. But neither has to be. What is a WebView?

Google 121

Google Mobile Engineering Internet 121

Smashing Magazine

JANUARY 11, 2021

Micro-optimizations are great for keeping performance on track, but it’s critical to have clearly defined targets in mind — measurable goals that would influence any decisions made throughout the process. You can download the spreadsheet as Google Sheets, Excel, OpenOffice document or CSV. Establish a performance culture.

Performance 145

Performance Cache Media Metrics 145

O'Reilly Software

MARCH 7, 2018

Although the ideas of reactive and streaming are nowhere near new, and keeping in mind that mere novelty doesn’t imply greatness, it is safe to say they have proven themselves and matured enough to see many programming languages, platforms, and infrastructure products embrace them fully. The need for flow control.

Transportation 72

Transportation Java Programming Architecture 72

Alex Russell

APRIL 29, 2021

The initial implementation was removed from Blink post-fork and re-implemented on new infrastructure several years later. For heavily latency-sensitive use-cases like WebXR, this is a critical component in delivering a good experience. Helps media apps on the web save battery when doing video processing. position: sticky.

Media 145

Media Games Education Engineering 145

Dynatrace

AUGUST 5, 2019

For our migration projects, we simply roll out Dynatrace OneAgents on the existing infrastructure. Before starting any migration project, you must have a good overview of all your hosts, processes, services and technologies. Step 2: Understand your Dependencies: No Host or Process left alone! Step 4: Smart Database Migration.

Cloud 31

Cloud Traffic Database Network 31

Smashing Magazine

JANUARY 6, 2020

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Also, as Patrick Meenan suggested, it’s worth to plan out a loading sequence and trade-offs during the design process.

Performance 145

Performance Cache Network Metrics 145

Alex Russell

FEBRUARY 3, 2023

Partisans for slow, complex frameworks have successfully marketed lemons as the hot new thing, despite the pervasive failures in their wake, and crowding out higher-quality options in the process. [1] Faced with the dawning realisation that this tech mostly made things worse, not better, the JS-industrial-complex pulled an Exxon.

Social Media 119

Social Media Website Technology Technology 119

Alex Russell

NOVEMBER 6, 2013

Nothing about this process is technical from the perspective of the user. Or a world where the browser had JS APIs for navigating to new documents, but no built-in system for synthesizing clicks into navigations. Well, you wouldn’t pick a document that hid half the content from you, would you? Let that really sink in.

Engineering 40

Engineering Technology Technology Systems 40