Dynatrace

JANUARY 16, 2023

As Kubernetes adoption increases and it continues to advance technologically, Kubernetes has emerged as the “operating system” of the cloud. Kubernetes is emerging as the “operating system” of the cloud. In comparison, on-premises clusters have more and larger nodes: on average, 9 nodes with 32 to 64 GB of memory.

Open Source 337

Open Source Java Operating System Programming 337

Dynatrace

JANUARY 31, 2024

GenAI is prone to erratic behavior due to unforeseen data scenarios or underlying system issues. The RAG process begins by summarizing and converting user prompts into queries that are sent to a search platform that uses semantic similarities to find relevant data in vector databases, semantic caches, or other online data sources.

Cache 199

Cache Azure Infrastructure Monitoring 199

The Netflix TechBlog

NOVEMBER 29, 2023

Bitrate versus quality comparison HDR-VMAF is designed to be format-agnostic — it measures the perceptual quality of HDR video signal regardless of its container format, for example, Dolby Vision or HDR10. Additionally, the current version has some algorithmic limitations that we are in the process of improving before the official release.

Open Source 252

Open Source Software Engineering Internet Internet 252

Dynatrace

DECEMBER 21, 2022

As the process of cloud modernization becomes ever more complex, there is an even greater need to embrace the emerging role of cloud architect to accelerate transformation. Partners are integral to the process and a necessity if organizations want to achieve faster, greater, and more scalable modernization. . Developers.

Cloud 147

Cloud Architecture Strategy Scalability 147

Dynatrace

JANUARY 16, 2020

In part one, we began our discussion about intellectual debt by pointing out how machine learning systems contribute to the widening gap between what works and our understanding of why it works. We concluded by suggesting that the fuzziness of machine learning systems presents a fundamental problem for autonomous IT operations.

Cloud 155

Cloud Artificial Intelligence Virtualization Efficiency 155

The Morning Paper

DECEMBER 13, 2020

The point of blocking is to reduce the number of comparisons that have to be made later on – the key idea is that any two entity descriptions that have a chance of referring to the same real-world entity should end up in the same block under at least one of the blocking keys. Block processing.

Big Data 83

Big Data Open Source Processing Analytics 83

Dynatrace

SEPTEMBER 3, 2020

In comparison, the AIOps approach discussed within this article, is built upon a radically different deterministic AI engine – at Dynatrace known as Davis – that yields precise, actionable results in real-time. The second major concern I want to discuss is around the data processing chain. The four stages of data processing.

Software 263

Software Software Artificial Intelligence Metrics 263

Percona

APRIL 20, 2023

Such major version upgrades are rarely simple, but thankfully there are tools that can help smooth the process and ensure a successful upgrade. With that disclaimer out of the way, let’s examine some of the tools that are available to simplify the upgrade process. As we approach end of life for MySQL 5.7

Open Source 88

Open Source Best Practices Servers Database 88

J. Paul Reed

JULY 17, 2023

An active airport represents a huge, dynamic complex system. Maintaining any level of safety requires establishing, maintaining, and repairing shared joint cognition of that system. There are a number of examples, but if you want an aviation-based one: adding a runway to a major international airport. Yes, I’ve seen that video too.

Infrastructure 96

Infrastructure Engineering Systems Software 96

Dynatrace

NOVEMBER 9, 2021

Observability provides deeper technical insights into what’s happening within cloud environments, in comparison to APM and/or traditional monitoring methods. To achieve this, the underlying application delivery process also needs to be modernized to provide agility, but also to reduce costs and eliminate technical debt.

DevOps 211

DevOps Innovation Cloud Programming 211

Percona

AUGUST 2, 2023

Logical upgrades seem cleaner for many, and it is often possible to run the old and new instances side by side for comparisons. This is my favorite as it allows you to run both versions and, hopefully, make a clean cut-over to the new system. upgrade is one way only.

Database 67

Database Servers Testing Systems 67

Dynatrace

MAY 16, 2019

The survey had eight questions related to current team effectiveness and system stability. Here’s a quick graphical comparison of the Pivotal Dev-to-Ops ratio, that of the Dynatrace elite category, and the average ratio identified by the survey. Labor costs and cycle times slowed down by manual process errors is the wrong answer.

Innovation 184

Innovation Cloud DevOps Best Practices 184

The Netflix TechBlog

JUNE 15, 2022

The DSL supports specifying the search criteria as comparison expressions or inclusion/exclusion filters. Behind the scenes during the indexing process, we have configured the Elasticsearch index with the appropriate analyzers to ensure that the most relevant matches for the input text are returned in the results.

Engineering 183

Engineering Architecture Availability Tuning 183

Scalegrid

SEPTEMBER 16, 2019

PostgreSQL is the fourth most popular database management system in the world, and heavily used in all sizes of applications from small to large. Easier access to files, features, and the operating system. In DBeaver, you can generate fake data that looks like real data allowing you to test your systems.

Open Source 262

Open Source Database Azure Cloud 262

Dynatrace

MARCH 10, 2021

In contrast, envision an AI-driven intelligent system that accurately provides the answers—in this case, the technical root cause of the anomaly, all contextual and associated information, and how to fix it. This accurate and precise intelligence is now the type of data that can be trusted to trigger auto-remediation processes proactively.

AWS 142

AWS Cloud Artificial Intelligence Innovation 142

Dynatrace

JUNE 8, 2021

In software we use the concept of Service Level Objectives (SLOs) to enable us to keep track of our system versus our goals, often shown in a dashboard – like below –, to help us to reach an objective or provide an excellent service for users. Usual exceptions raised by our system that is now considered to be normal by Davis.

Metrics 162

Metrics Tuning Programming Systems 162

Percona

JULY 13, 2023

With the rise of globalization, the need to store and process multilingual data has become essential. MySQL, one of the most popular relational database management systems, recognizes this need and has introduced utf8mb4 in its 8.0 Here is an example comparison of utf8 and utf8mb4 using MySQL tables and queries: MySQL 5.7

Database 91

Database Games Open Source Engineering 91

Percona

JUNE 4, 2023

In this blog, we’ll provide a comparison between MariaDB vs. MySQL (including Percona Server for MySQL ). Introduction: MariaDB vs. MySQL The goal of this blog post is to evaluate, at a higher level, MariaDB vs. MySQL vs. Percona Server for MySQL side-by-side to better inform the decision making process. What is MariaDB?

Open Source 52

Open Source Servers Storage Scalability 52

Particular Software

APRIL 3, 2023

Did you ever stop to think about all the software systems involved in tracking your luggage on your journey? From the moment you drop it off at your departure airport to the moment you breathe that sigh of relief as it shows up on the baggage carousel is a complex story of messaging and system integrations.

Airlines 52

Airlines Systems Processing Design 52

The Morning Paper

JANUARY 30, 2020

The Mobile Web Worker (MWW) System. The Mobile Web Worker (MWW) System introduces a new client-side Mobile Web Worker Manager component which is responsible for managing web workers, including their migration when this is estimated to be beneficial. The MWW System prototype is implemented in Chrome for the browser, and Node.js

Mobile 104

Mobile Cloud Latency Games 104

The Netflix TechBlog

JUNE 13, 2023

This is where large-scale system migrations come into play. Replay traffic testing gives us the initial foundation of validation, but as our migration process unfolds, we are met with the need for a carefully controlled migration process. Canaries and sticky canaries are valuable tools in the system migration process.

Traffic 279

Traffic Metrics Systems Strategy 279

The Netflix TechBlog

SEPTEMBER 4, 2020

This significantly increases the scope of our application integration and certification processes for streaming devices like set-top-boxes (STBs) and TVs. In comparison, previously a tester was tasked to gather many physical HDMI sink devices, plug them into the DUT, validate, and move to the next scenario.

Media 163

Media Testing Entertainment Virtualization 163

Testsigma

JANUARY 18, 2021

Web Developers frequently come across issues where the developed website or web application does not work as expected on certain combinations of browsers and operating systems. Does this mean that enough effort was not spent in the automation testing process? You can read more about Testsigma here.

Testing 55

Testing Operating System Website Internet 55

Alex Russell

FEBRUARY 28, 2022

These steps inform a general description of the interaction loop: The system is ready to receive input. Input is received and processed. The system is ready to receive input. Objections to the comparison are legion. One of these is better, and it isn't the experience of the "modern" style. Fewer bouncing users.

Performance 104

Performance Latency Architecture Network 104

Percona

JANUARY 4, 2023

This happens in a high transaction system where WAL archiving is not able to catch up with WAL generation in peak hours or if WAL arching is failing for some time. -rw - 1 postgres postgres 0 Dec 21 04:38 0000000200000008000000E4.done done -rw - 1 postgres postgres 0 Dec 21 04:38 0000000200000008000000E5.done

Speed 108

Speed Monitoring Availability Code 108

Apica

JUNE 22, 2022

Within each category, specific testing methods are available, such as black box testing, white box testing, integration testing, system testing, performance testing, and load testing. Here’s a brief comparison of each type, along with some pros and cons: Manual Testing. Automated Testing.

Software 52

Software Software Testing Best Practices 52

The Morning Paper

JUNE 20, 2019

TLA+ is used to model concurrent and distributed system protocols helping to eliminate high level design and semantic bugs. Different components of cloud services interact with each other through various types of “data”, including inter-process/node messages, persistent files, and so on. Does that match your experience? Fault related.

Cloud 81

Cloud Azure Cache C++ 81

Testsigma

AUGUST 28, 2021

The scenarios are listed here on one basis – that any process is adopted with the goal of getting an ROI eventually. When your customers report issues that means that issues are escaping into your production, and, that means there is something wrong in your testing process. There could be a few reasons: i.

Testing 75

Testing Cloud C++ Operating System 75

Brendan Gregg

OCTOBER 8, 2018

Created by Alastair Robertson , bpftrace is an open source high-level tracing front-end that lets you analyze systems in custom ways. eBPF (extended Berkeley Packet Filter) is in the Linux kernel and is the new hotness in systems engineering. Pages paged in by process bpftrace -e 'software:major-faults:1 { @[comm] = count(); }'.

C++ 110

C++ Virtualization Programming Latency 110

Testsigma

MAY 26, 2021

Example: Travel itinerary/ Flight booking systems. For testing a travel/flight booking system, we would need many permutations and combinations of the test data. Finally, the test results are generated based on the comparison of actual results and expected results. Repeat with the next test data. Scenario 2: Data Arrays.

Testing 70

Testing Healthcare Performance Testing Website 70

The Morning Paper

AUGUST 29, 2019

We focused on OLAP-oriented parallel data warehouse products available for AWS and restricted our attention to commercially available systems. As it is infeasible to test every OLAP system runnable on AWS, we chose widely-used systems that represented a variety of architectures and cost models. System initialisation time.

Architecture 76

Architecture Cloud Storage Serverless 76

Testsigma

MARCH 6, 2020

When properly used, these properties help in the effective execution of the bug fixing and release scheduling process. According to ISTQB: Severity – “The degree of impact that a defect has on the development or operation of a component or system.”. Value of priority is subjective and may change after comparison with other defects.

Website 52

Website Testing Systems Development 52

Scalegrid

MARCH 28, 2024

In this comparison of Redis vs Memcached, we strip away the complexity, focusing on each in-memory data store’s performance, scalability, and unique features. Performance Comparison: Redis vs Memcached Although Redis and Memcached are high-performance in-memory data stores, their performance characteristics are distinct.

Cache 130

Cache Storage Scalability Architecture 130

Adrian Cockcroft

FEBRUARY 13, 2023

Discussion of the water positive goal and optimizations that let AWS return water directly for irrigation rather than to the sewage system. Provides comparison of inference workload on P4dn GPU instances vs. AWS Trainium saving 92% energy and 90% cost, and training workload on P4dn vs. AWS Inferentia 2.6x

AWS 64

AWS Energy Architecture Programming 64

HammerDB

OCTOBER 23, 2023

Stored Procedures and Client SQL comparison To test the stored procedures and client implementations, we ran both workloads against a system equipped with Intel Xeon 8280L. This in itself is not an issue as it means we are well within the systems bandwidth capabilities. Capturing this data without stored procedures.

Benchmarking 62

Benchmarking Database Network C++ 62

All Things Distributed

AUGUST 16, 2012

Werner Vogels weblog on building scalable and robust distributed systems. An apples to apples comparison of the costs associated with running various usage patterns on-premises and with AWS requires more than a simple comparison of hardware expense versus always-on utility pricing for compute and storage. All Things Distributed.

AWS 118

AWS Hardware Traffic Best Practices 118

The Netflix TechBlog

FEBRUARY 13, 2024

Safe software deployment, canary testing, and play-delay Software engineering readers of this blog are likely familiar with unit, integration and load testing, as well as other testing practices that aim to prevent bugs from reaching production systems. Rationale : This system is part of a semi-automated process for all client deployments.

Testing 239

Testing Software Software Metrics 239