Dynatrace

MAY 1, 2023

This operational data could be gathered from live running infrastructures using software agents, hypervisors, or network logs, for example. Additionally, ITOA gathers and processes information from applications, services, networks, operating systems, and cloud infrastructure hardware logs in real time. Apache Spark.

Analytics 178

Analytics Artificial Intelligence Big Data Open Source 178

The Netflix TechBlog

OCTOBER 27, 2023

How Netflix’s Container Platform Connects Linux Kernel Panics to Kubernetes Pods By Kyle Anderson With a recent effort to reduce customer (engineers, not end users) pain on our container platform Titus , I started investigating “orphaned” pods. But wait, how are we going to annotate a pod for a node that kernel panicked?

Hardware 228

Hardware Cloud Google Servers 228

Testsigma

OCTOBER 28, 2021

Rahul Parwal is a software engineer, speaker, mentor, and writer out of Jaipur, Rajasthan. Remember to test how your app works with shared resources such as memory, space, network resources, etc. The post Quality Engineering Discussions: 5 Questions with Rahul Parwal appeared first on Testsigma Blog. Be a continuous learner.

Engineering 96

Engineering Hardware Testing Software Engineering 96

The Netflix TechBlog

NOVEMBER 9, 2021

We were very pleased to see that AV1 streaming improved members’ viewing experience, particularly under challenging network conditions. AV1 playback on TV platforms relies on hardware solutions, which generally take longer to be deployed. Throughout 2020 the industry made impressive progress on AV1 hardware solutions.

Media 246

Media Open Source Efficiency Software Engineering 246

Dotcom-Montior

OCTOBER 6, 2021

A site reliability engineer, or SRE, is a role that that encompasses aspects of both software engineering and operations/infrastructure. The term site reliability engineering first came into existence at Google in 2003 when a site reliability team was created. At that time, the team was made up of software engineers.

Engineering 67

Engineering DevOps Monitoring Google 67

Scalegrid

MAY 13, 2020

Greenplum Database is an open-source , hardware-agnostic MPP database for analytics, based on PostgreSQL and developed by Pivotal who was later acquired by VMware. Greenplum interconnect is the networking layer of the architecture, and manages communication between the Greenplum segments and master host network infrastructure.

Big Data 321

Big Data Database Artificial Intelligence Open Source 321

Adrian Cockcroft

JANUARY 17, 2022

There were five trends and topics for 2021, Serverless First, Chaos Engineering, Wardley Mapping, Huge Hardware, Sustainability. The need for systems to be resilient is still increasing, and chaos engineering tools and techniques are developing as a key way to validate that resilience is working as designed.

Serverless 98

Serverless Hardware AWS Architecture 98

Dynatrace

SEPTEMBER 29, 2021

Container technology is very powerful as small teams can develop and package their application on laptops and then deploy it anywhere into staging or production environments without having to worry about dependencies, configurations, OS, hardware, and so on. Networking. In production, containers are easy to replicate.

Open Source 290

Open Source Traffic DevOps Cloud 290

Dynatrace

JUNE 29, 2022

They use the same hardware, APIs, tools, and management controls for both the public and private clouds. Amazon Web Services (AWS) Outpost : This offering provides pre-configured hardware and software for customers to run native AWS computing, networking, and services on-premises in a cloud-native manner.

Infrastructure 172

Infrastructure Cloud Azure AWS 172

The Morning Paper

NOVEMBER 15, 2020

An IDS/IPS monitors network flows and matches incoming packets (or more strictly, Protocol Data Units, PDUs) against a set of rules. Regular expression matching is well studied, but state of the art hardware algorithms don’t reach the performance and memory targets needed for Pigasus. IDS/IPS requirements. MPSM: First things first.

Servers 128

Servers Hardware Latency Design 128

Dynatrace

NOVEMBER 1, 2022

These metrics help to keep a network system up and running?, Mean time to recovery (MTTR) measures the entire amount of time it takes to get a downed network or system back up and running. MTTF measures the reliability of a network and durability of its hardware. a critical task that’s easier said than done.

DevOps 198

DevOps Artificial Intelligence Metrics Network 198

Dynatrace

NOVEMBER 22, 2022

Five-nines availability has long been the goal of site reliability engineers (SREs) to provide system availability that is “always on.” Site reliability engineering teams often measure system availability in percentages in the pursuit of 100% uptime. Five-nines availability: The ultimate benchmark of system availability.

Infrastructure 173

Infrastructure Availability Systems Retail 173

The Morning Paper

MARCH 8, 2020

Building an elastic query engine on disaggregated storage , Vuppalapati, NSDI’20. This paper presents Snowflake design and implementation along with a discussion on how recent changes in cloud infrastructure (emerging hardware, fine-grained billing, etc.) From shared-nothing to disaggregation.

Storage 112

Storage Engineering Cache Serverless 112

Percona

JUNE 22, 2023

Defining high availability In general terms, high availability refers to the continuous operation of a system with little to no interruption to end users in the event of hardware or software failures, power outages, or other disruptions. Without enough infrastructure (physical or virtualized servers, networking, etc.),

Availability 105

Availability Database Open Source Hardware 105

VoltDB

MAY 14, 2024

Low usage or over-engineered legacy systems Until the arrival of cloud hosting, nobody knew how to size anything properly, or they did know but never got a chance to. Prototypes, experiments, and tests Development and testing historically involved end-of-life or ‘spare’ hardware. When is the cloud a bad idea?

Latency 52

Latency Availability Cloud Hardware 52

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. These systems can include physical servers, containers, virtual machines, or even a device, or node, that connects and communicates with the network. The recipe was straightforward. Peer-to-Peer.

Systems 74

Systems Monitoring Hardware Network 74

DZone

JANUARY 16, 2021

CPU consumption in Unix/Linux operating systems is broken down into 8 different metrics: User CPU time , System CPU time , nice CPU time , Idle CPU time , Waiting CPU time , Hardware Interrupt CPU time , Software Interrupt CPU time , and Stolen CPU time. In this article, let us study ‘waiting CPU time’. What Is ‘Waiting’ CPU Time?

Operating System 124

Operating System Hardware Network Metrics 124

The Netflix TechBlog

FEBRUARY 25, 2021

In all these cases, prior to being delivered through our content delivery network Open Connect , our award-winning TV shows, movies and documentaries like The Crown need to be packaged to enable crucial features for our members. Decryption modules need to be initialized with the appropriate scheme and initialization vector. We’re hiring!

Technology 181

Technology Technology Open Source Media 181

Dynatrace

APRIL 5, 2021

You will likely need to write code to integrate systems and handle complex tasks or incoming network requests. As a bonus, operations staff never needs to update operating systems or hardware, because AWS manages servers with no stoppage of application functionality. Customizing and connecting these services requires code.

Lambda 173

Lambda AWS Serverless Hardware 173

ACM Sigarch

APRIL 26, 2018

HPU: Holographic Processing Unit (HPU) is the specific hardware of Microsoft’s Hololens. They use the graph as the basic representation for many AI-related algorithms, including neural network, Bayesian network, Markov Field, and some other emerging methods. HPU1 with TSMC 28nm process was announced in HOTCHIPS’17.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book.

Performance 140

Performance Latency Hardware Storage 140

CSS - Tricks

JULY 25, 2019

Lighthouse uses Chrome’s Remote Debugging Protocol to read network request information, measure JavaScript performance, observe accessibility standards and measure user-focused timing metrics like First Contentful Paint , Time to Interactive or Speed Index. Lighthouse is an open source project run by a dedicated team from Google Chrome.

Google 71

Google Engineering Speed Mobile 71

Brendan Gregg

NOVEMBER 29, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance. I'd expect between 0.1%

Virtualization 111

Virtualization AWS Hardware Storage 111

The Netflix TechBlog

JUNE 4, 2019

The idea CFS operates by very frequently (every few microseconds) applying a set of heuristics which encapsulate a general concept of best practices around CPU hardware use. We could then feed this information directly into the optimization engine to move towards a more supervised learning approach.

Cache 251

Cache Latency Airlines Logistics 251

Dynatrace

SEPTEMBER 30, 2021

It requires purchasing, powering, and configuring physical hardware, training and retaining the staff capable of servicing and securing the machines, operating a data center, and so on. They need enough hardware to serve their anticipated volume and keep things running smoothly without buying too much or too little. Reduced cost.

Cloud 158

Cloud Traffic Best Practices Strategy 158

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. What's changed since last year? and 75KiB of JavaScript.

Performance 90

Performance Network Mobile Speed 90

Scalegrid

JANUARY 5, 2024

Components of DBMS The primary component of a DBMS is the storage engine, which operates alongside software components such as the query language, query processor, optimization engine, metadata catalog, and log manager. Types of DBMS DBMS can be classified into hierarchical, network, relational, and object-oriented types.

Efficiency 147

Efficiency Storage Database Scalability 147

Percona

FEBRUARY 24, 2023

Figure 1: PMM Home Dashboard From the Amazon Web Services (AWS) documentation , an instance is considered over-provisioned when at least one specification of your instance, such as CPU, memory, or network, can be sized down while still meeting the performance requirements of your workload and no specification is under-provisioned.

Cloud 116

Cloud Serverless AWS Storage 116

Alex Russell

APRIL 29, 2021

Apple forces developers of competing browsers to use their engine for all browsers on iOS , restricting their ability to deliver a better version of the web platform. They are, pound for pound, some of the best engine developers globally and genuinely want good things for the web. So is speedy resolution and agreement.

Media 145

Media Games Education Engineering 145

Smashing Magazine

AUGUST 3, 2021

Lots can go wrong: a network request fails, a third-party library breaks, a JavaScript feature is unsupported (assuming JavaScript is even available), a CDN goes down, a user behaves unexpectedly (they double-click a submit button), the list goes on. The more enriched sentence (right) is an enhancement for when the network request succeeds.

Network 145

Network Engineering Availability Monitoring 145

Scalegrid

DECEMBER 21, 2023

This includes latency, which is a major determinant in evaluating the reliability and performance of your Redis® instance, CPU usage to assess how much time it spends on tasks, operations such as reading/writing data from disk or network I/O, and memory utilization (also known as memory metrics).

Strategy 130

Strategy Monitoring Latency DevOps 130

Sutter's Mill

NOVEMBER 11, 2023

Instead, you want a library that is tuned for your target hardware architecture and ready for par_unseq vectorized algorithms, for blazing speed. SG4 (Networking) continued working on updating the networking proposal for std::execution senders and receivers. This is that library.

C++ 115

C++ Lambda Network Programming 115

CSS Wizardry

OCTOBER 27, 2018

Things always always feel fast when we’re developing because, more often than not, we’re working on high-spec machines on dedicated networks, and also serving from localhost which removes the bulk of the latency and bandwidth issues that a real user would suffer. Who: Engineers. Who: Engineers, Product Owners.

Performance Testing 172

Performance Testing Testing Performance Strategy 172

Percona

JULY 7, 2023

Also, in general terms, a high availability PostgreSQL solution must cover four key areas: Infrastructure: This is the physical or virtual hardware database systems rely on to run. Without enough infrastructure (physical or virtualized servers, networking, etc.), there cannot be high availability. If so, what are the legal liabilities?

Availability 83

Availability Open Source Architecture Database 83

HammerDB

APRIL 19, 2023

As database performance is heavily influenced by the performance of storage, network, memory, and processors, we must understand the upper limit of these key components. For the network, we can use Iperf to assess the network bandwidth between the client and the database server to ensure it will be enough to meet our peak requirement.

Performance 54

Performance Benchmarking Cache Storage 54

Adrian Cockcroft

JUNE 2, 2023

One example is that Netflix launched it’s streaming service in 2007, just at the point when the cost of streaming a movie over the network (which was dropping fast) became less than the cost of shipping a DVD. Russell Kaplan of Scale AI talked about prompt engineering. Tristan Zajonc, CEO of Continual.ai

Social Media 98

Social Media Innovation Open Source Entertainment 98

Scalegrid

JULY 13, 2020

Recognized as the fastest growing database by popularity, PostgreSQL was named the DBMS of the year in both 2018 and 2017 by DB-Engines, and continues to grow in popularity in 2019. Oracle support for hardware and software packages is typically available at 22% of their licensing fees. In fact, PostgreSQL is so popular, 11.5%

Open Source 244

Open Source Tuning C++ Database 244