Dynatrace

SEPTEMBER 13, 2023

This is a set of best practices and guidelines that help you design and operate reliable, secure, efficient, cost-effective, and sustainable systems in the cloud. Using an interactive no/low code editor, you can create workflows or configure them as code. SRG validates the status of the resiliency SLOs for the experiment period.

AWS 252

AWS Efficiency Azure Cloud 252

The Morning Paper

FEBRUARY 6, 2020

.’ Stateless is fine until you need state, at which point the coarse-grained solutions offered by current platforms limit the kinds of application designs that work well. On the Cloudburst design teams’ wish list: A running function’s ‘hot’ data should be kept physically nearby for low-latency access.

Lambda 98

Lambda Serverless Cache Latency 98

John McCalpin

APRIL 25, 2023

For most high-end processors these values have remained in the range of 75% to 85% of the peak DRAM bandwidth of the system over the past 15-20 years — an amazing accomplishment given the increase in core count (with its associated cache coherence issues), number of DRAM channels, and ever-increasing pipelining of the DRAMs themselves.

Benchmarking 97

Benchmarking Cache Latency Tuning 97

Dynatrace

OCTOBER 4, 2022

Data lakehouses deliver the query response with minimal latency. Designed to provide a single source of truth for structured data, they offer a way for organizations to simplify data management by centralizing inputs. The performance of these queries needs to be at a level where they can support ad-hoc analytics use cases.

Artificial Intelligence 214

Artificial Intelligence Storage Analytics Government 214

All Things Distributed

JUNE 21, 2017

Today, I'm excited to announce the general availability of Amazon DynamoDB Accelerator (DAX) , a fully managed, highly available, in-memory cache that can speed up DynamoDB response times from milliseconds to microseconds, even at millions of requests per second. Adding caching when your app is already experiencing load is not easy.

Speed 121

Speed Cache Latency AWS 121

Smashing Magazine

SEPTEMBER 28, 2022

Every unnecessary bit of JavaScript code you bundle and serve will be more code the client has to load and process. How will you serve blazingly fast code, then? On design systems, UX, web performance and CSS/JS. Jamstack is popular with documentation sites that usually compile code to HTML files and host them on the CDN.

Cache 126

Cache Performance Servers Social Media 126

All Things Distributed

SEPTEMBER 3, 2013

Get it wrong and you’re looking at sleepless nights, struggling to keep up with growth and fighting to keep your app available while you rewrite critical portions of your code. Amazon ElastiCache is a fully managed, in-memory caching service for customers to optimize the latency, performance and cost of their read workloads.

Cache 129

Cache Cloud Performance Retail 129

High Scalability

JULY 20, 2018

Cliff Click : The JVM is very good at eliminating the cost of code abstraction, but not the cost of data abstraction. That means multiple data indirections mean multiple cache misses. Mark LaPedus : MRAM, a next-generation memory type, is being touted as a replacement for embedded flash and cache applications.

Internet 121

Internet Internet Scalability Automotive 121

Smashing Magazine

AUGUST 3, 2023

These pages serve as a pivotal tool in our digital marketing strategy, not only providing valuable information about our services but also designed to be easily discoverable through search engines. It also opens up the possibility for more effective use of caching strategies, potentially enhancing load times further.

Performance 74

Performance Cache Traffic Metrics 74

Smashing Magazine

MAY 16, 2022

Examples of non-timing information you could send: HTTP Response status code, regions, request ids, etc. Due to the design of web browser APIs, there are currently no mechanisms for querying requests and their relative responses after the fact. Code used to monitor resources (fetch, XHR, images, stylesheets, scripts, HTML, etc.)

Servers 93

Servers Monitoring Cache Network 93

Adrian Cockcroft

JANUARY 20, 2023

This is a worrying trend for the HPC supercomputer market, and while a new HPL-MxP mixed-precision benchmark shows that it’s possible to leverage lower precision floating point, there’s a lot of existing code that needs 64bit. However Shahin and I think this cost is more likely to be in the $20–40M range.

Architecture 52

Architecture Latency Benchmarking AWS 52

CSS Wizardry

MAY 19, 2020

It’s widely accepted that self-hosted fonts are the fastest option: same origin means reduced network negotiation, predictable URLs mean we can preload , self-hosted means we can set our own cache-control. On a high-latency connection, this spells bad news. Put another-other way, this file is latency-bound, not bandwidth-bound.

Google 364

Google Media Latency Metrics 364

ScaleOut Software

MAY 15, 2014

We have spent a great deal of time at ScaleOut Software re-architecting our in-memory data grid (IMDG)’s code base to make best use of many cores and large memory. Likewise, object access paths must be heavily multi-threaded and avoid lock contention to minimize access latency and maximize throughput. Please retry later.

Cache 40

Cache Servers Network Design 40

CSS - Tricks

APRIL 1, 2021

The code for the site is available on GitHub for reference. Redirects are often pretty light in terms of the latency that they add to a website, but they are an easy first thing to check, and they can generally be removed with little effort. This is a very basic site made with simple HTML, CSS, and JavaScript.

Cache 92

Cache Social Media Media Network 92

The Netflix TechBlog

MARCH 6, 2019

Video encoding is what MezzFS was originally designed for and remains one of its canonical use cases, so we’ll focus on video encoding to describe the problem that MezzFS solves. Disk Caching? — ? MezzFS can be configured to cache objects on the local disk. Regional caching? —?Netflix What problem are we solving?

Media 214

Media Storage Processing Cache 214

The Morning Paper

SEPTEMBER 10, 2019

That’s hard for many reasons, including the differing trade-offs between throughput and latency that need to be made across the use cases. to understand YouTube video performance) drive tens of thousands of canned (known in advance) queries per second, that need to be served with latency in the tens of milliseconds.

Analytics 75

Analytics Latency Cache Google 75

The Morning Paper

OCTOBER 26, 2020

There are several pressures on such a design: The volume of data continues to grow – by another 2 orders of magnitude this decade according to IDC – as does the velocity of data arrival and the variance in arrival rates. It’s limited by the laws of physics in terms of end-to-end latency. Emphasis mine ).

Cloud 104

Cloud Big Data Latency Architecture 104

Smashing Magazine

JANUARY 11, 2021

Have we optimized enough with tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, progressive hydration, clients hints, HTTP/3, service workers and — oh my — edge workers? Is it expensive JavaScript, slow web font delivery, heavy images, or sluggish rendering?

Performance 145

Performance Cache Media Metrics 145

Brendan Gregg

AUGUST 18, 2019

It was created by Alastair Robertson, a talented UK-based developer who has previously won various coding competitions. For example, iostat(1), or a monitoring agent, may tell you your average disk latency, but not the distribution of this latency. Block I/O latency as a histogram. 1 /* 2 * biolatency.bt

Latency 68

Latency C++ Cache Programming 68

All Things Distributed

JUNE 21, 2018

Further, with the growth and scale of Amazon.com, boundless horizontal scale needed to be a key design point--scaling up simply wasn't an option. Developers rely on the functionality of the relational database (not the application code) to enforce the schema and preserve the referential integrity of the data within the database.

Database 167

Database AWS Games Latency 167

Alex Russell

DECEMBER 18, 2022

From Edge's telemetry, we see that nearly half of devices fall into our "low-end" designation, which means that they have: HDD s (not SSD s). These devices feature: Eight slow, big.LITTLE ARM cores (A75+A55, or A73+A53) built on last-generation processes with very little cache. 2-4 CPU cores. 4GB RAM or less. 4GiB of RAM.

Performance 113

Performance Network Mobile Latency 113

ScaleOut Software

JULY 21, 2020

For more than fifteen years, ScaleOut StateServer® has demonstrated technology leadership as an in-memory data grid (IMDG) and distributed cache. Designed to help scalable applications deliver high performance, it stores live, fast-changing data in memory (DRAM) for fast updates and retrieval. The Challenges with Parallel Queries.

Analytics 52

Analytics Airlines Cache Scalability 52

ScaleOut Software

JULY 21, 2020

For more than fifteen years, ScaleOut StateServer® has demonstrated technology leadership as an in-memory data grid (IMDG) and distributed cache. Designed to help scalable applications deliver high performance, it stores live, fast-changing data in memory (DRAM) for fast updates and retrieval. The Challenges with Parallel Queries.

Analytics 52

Analytics Airlines Cache Scalability 52

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Without a strong alignment between dev/design and business/marketing teams, performance isn’t going to sustain long-term.

Performance 145

Performance Cache Network Metrics 145

All Things Distributed

JULY 14, 2015

Streams provide you with the underlying infrastructure to create new applications, such as continuously updated free-text search indexes, caches, or other creative extensions requiring up-to-date table changes. DynamoDB Streams simplifies and improves this design pattern with a distributed systems approach.

Database 167

Database Lambda AWS IoT 167

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Without a strong alignment between dev/design and business/marketing teams, performance isn’t going to sustain long-term.

Performance 104

Performance Cache Network Metrics 104

John McCalpin

APRIL 2, 2020

The presentation discusses a family of simple performance models that I developed over the last 20 years — originally in support of processor and system design at SGI (1996-1999), IBM (1999-2005), and AMD (2006-2008), but more recently in support of system procurements at The Texas Advanced Computing Center (TACC) (2009-present).

Benchmarking 59

Benchmarking Performance Latency Architecture 59

Smashing Magazine

AUGUST 20, 2021

However, unlike the early days of the web, static sites are no longer limited to developers working in a code editor. Piecing together a website using a WYSIWYG editor and seeing the code it generated was a fascinating and educational experience that sparked an initial interest in web design. More after jump! Let’s fix that!

Ecommerce 139

Ecommerce Website Government Internet 139

Percona

JULY 17, 2023

Instead of the table-based structure of relational databases, MongoDB stores data in documents and collections, a design for handling large amounts of unstructured data and for real-time web applications. Organizations have access to the source code, allowing them to make changes and enhancements as needed. It ranks No.

Open Source 74

Open Source Database Scalability Software 74

Percona

MAY 15, 2023

MySQL, as well as other RDBMS, are designed to work respecting the model and cannot scale in any way by fragmenting and distributing a schema, so what can be done to scale? Normally this solution requires a full code redesign and could be quite difficult to achieve when it is injected after the initial code architecture definition.

Traffic 121

Traffic Scalability Database Servers 121

The Morning Paper

MAY 12, 2019

Microservices fundamentally change a lot of assumptions current cloud systems are designed with, and present both opportunities and challenges when optimizing for quality of service (QoS) and utilization. Smaller microservices demonstrated much better instruction-cache locality than their monolithic counterparts.

Open Source 61

Open Source Hardware Benchmarking Systems 61

The Morning Paper

JANUARY 23, 2020

1:18pm a key observation was made that an API call to populate the homepage sidebar saw a huge jump in latency. Gathering timestapms of changes made to application code during the outage. A coded timelime was created dividing activities into three main types: Coordination activities. Semi-structured interviews using cued-recall.

Internet 53

Internet Internet Cache Engineering 53

The Morning Paper

NOVEMBER 17, 2019

The serverless computing abstraction, despite its many advantages, exposes several low-level operational details that make it hard for programmers to write and reason about their code. For example, to reduce latency, serverless platforms try to reuse the same function instance to process multiple requests. Don’t do that!

Serverless 58

Serverless Lambda Programming Cache 58

Enprowess

SEPTEMBER 7, 2021

The technology develops single-page applications , websites, and backend API services designed with real-time and push-based architectures. has a unit testing framework called Jasmine, which allows unit testing of code during development. with its low latency I/O operations, gives the benefit of ‘No buffering’ to developers.

Open Source 52

Open Source Virtualization Programming Servers 52

John McCalpin

AUGUST 1, 2018

Bandwidth, performance analysis has two recurring themes: How fast should this code (or “simple” variations on this code) run on this hardware? Interacting components in the execution of an MPI job — a brief outline (from memory): The user source code, which contains an ordered set of calls to MPI routines.

Hardware 40

Hardware Transportation Performance Latency 40

The Morning Paper

DECEMBER 8, 2019

(Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. Therefore any programming abstraction must be low latency and the kernel needs to be kept off the path of persistent data access as much as possible.

Hardware 56

Hardware Programming Media Storage 56

Smashing Magazine

SEPTEMBER 24, 2021

To mitigate the performance issues, we had to add a lot of (unbudgeted) extra servers and had to aggressively cache pages on a reverse proxy. It can be hosted on a CDN like Vercel or Netlify, which results in lower latency. The code you write visualizes instantly in your browser and productivity goes through the sky. Challenges.

Website 114

Website Code Servers Analytics 114