ACM Sigarch

MARCH 18, 2019

This Part 1 discusses Bottleneck Analysis and Little’s Law, while Part 2 presents the M/M/1 Queue. To this end, we present three simple models that we find useful like Amdahl’s Law, split here into two blog posts. How many buffers are needed to track pending requests as a function of needed bandwidth and expected latency?

Systems 60

Systems Latency Performance Analytics 60

Speed Curve

FEBRUARY 5, 2024

That performance golden rule still holds true today. However, that pesky 20% on the back end can have a big impact on downstream metrics like First Contentful Paint (FCP), Largest Contentful Paint (LCP), and any other 'loading' metric you can think of. 80% of end-user response time is spent on the front end.

Servers 57

Servers Cache Retail Benchmarking 57

Adrian Cockcroft

AUGUST 1, 2022

photo by Adrian I gave a talk at Monitorama in Portland Oregon in June, which set out the idea that carbon is just another metric to monitor, and that in a few years most of the monitoring and performance tuning tools are going to be reporting and optimizing for carbon alongside latency, throughput, availability and cost.

AWS 52

AWS Virtualization DevOps Latency 52

The Netflix TechBlog

NOVEMBER 22, 2019

December 2 1pm-2pm CMP 326-R Capacity Management Made Easy with Amazon EC2 Auto Scaling Vadim Filanovsky , Senior Performance Engineer & Anoop Kapoor, AWS Abstract :Amazon EC2 Auto Scaling offers a hands-free capacity management experience to help customers maintain a healthy fleet, improve application availability, and reduce costs.

AWS 100

AWS Entertainment Open Source Benchmarking 100

The Netflix TechBlog

NOVEMBER 22, 2019

December 2 1pm-2pm CMP 326-R Capacity Management Made Easy with Amazon EC2 Auto Scaling Vadim Filanovsky , Senior Performance Engineer & Anoop Kapoor, AWS Abstract :Amazon EC2 Auto Scaling offers a hands-free capacity management experience to help customers maintain a healthy fleet, improve application availability, and reduce costs.

AWS 100

AWS Entertainment Open Source Benchmarking 100

CSS - Tricks

JULY 25, 2019

This article is from my friend Ben who runs Calibre , a tool for monitoring the performance of websites. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. To understand how these changes affect us from a performance perspective, we need to grasp the underlying technology.

Google 71

Google Engineering Speed Mobile 71

The Netflix TechBlog

JUNE 13, 2023

Our previous blog post presented replay traffic testing — a crucial instrument in our toolkit that allows us to implement these transformations with precision and reliability. By tracking metrics only at the level of service being updated, we might miss capturing deviations in broader end-to-end system functionality.

Traffic 279

Traffic Metrics Systems Strategy 279

Scalegrid

DECEMBER 21, 2023

Buckle up as we delve into the world of Redis® monitoring, exploring the most important Redis® metrics, discussing essential tools, and even peering into the future of Redis® performance management. Key Takeaways Redis® monitoring is essential for safeguarding performance, reliability, and security.

Strategy 130

Strategy Monitoring Latency DevOps 130

Dotcom-Montior

DECEMBER 8, 2021

are all prone to performance issues and unexpected outages at some point. Problem management is the process by which the root causes of incidents are permanently fixed, which improves long-term performance and future service deployments. This can also lead to identifying further opportunities where weaknesses may be present.

Social Media 90

Social Media Monitoring Latency DevOps 90

CSS Wizardry

OCTOBER 16, 2023

When serving and storing files on the web, there are a number of different things we need to take into consideration in order to balance ergonomics, performance, and effectiveness. Plotted on the same horizontal axis of 1.6s, the waterfalls speak for themselves: 201ms of cumulative latency; 109ms of cumulative download. It gets worse.

Cache 291

Cache Latency Strategy Speed 291

The Netflix TechBlog

FEBRUARY 20, 2019

by Jason Koch , with Martin Spier , Brendan Gregg , Ed Hunter Improving the tools available to our engineers to help them diagnose, triage, and work through software performance challenges in the cloud is a key goal for the cloud performance engineering team at Netflix. to the broader community.

Performance 211

Performance Latency Open Source Metrics 211

Dynatrace

NOVEMBER 10, 2022

With the growing complexity of application architectures which can rely on tens of thousands of microservices, end-2-end observability is a requirement to optimize application performance and to deliver intelligent root-cause analysis. This makes it easier to apply/enforce monitoring policies as fewer teams are involved (e.g.

Lambda 233

Lambda Serverless AWS Latency 233

Smashing Magazine

AUGUST 3, 2023

How We Optimized Performance To Serve A Global Audience How We Optimized Performance To Serve A Global Audience Liran Cohen 2023-08-03T10:00:00+00:00 2023-08-03T13:06:00+00:00 I work for Bookaway , a digital travel brand. Large preview ) We’ve known for a long time that fast page performance influences search engine rankings.

Performance 74

Performance Cache Traffic Metrics 74

The Netflix TechBlog

NOVEMBER 22, 2019

December 2 1pm-2pm CMP 326-R Capacity Management Made Easy with Amazon EC2 Auto Scaling Vadim Filanovsky , Senior Performance Engineer & Anoop Kapoor, AWS Abstract :Amazon EC2 Auto Scaling offers a hands-free capacity management experience to help customers maintain a healthy fleet, improve application availability, and reduce costs.

AWS 37

AWS Entertainment Open Source Benchmarking 37

Alex Russell

MAY 9, 2022

Despite advances in browser tooling , automated evaluation , lab tools , guidance , and runtimes , however, teams struggle to deliver even decent performance with today's popular frameworks. What is Performance? It may seem a silly question, but what is performance, exactly?

Performance 86

Performance Latency Metrics Engineering 86

HammerDB

DECEMBER 5, 2020

For example HammerDB has not used tpmC terminology to report TPC-C based metrics instead using TPM and NOPM nomenclature. The HammerDB TPROC-C workload by design intended as CPU and memory intensive workload derived from TPC-C – so that we get to benchmark at maximum CPU performance at a much smaller database footprint.

C++ 40

C++ Benchmarking Virtualization Open Source 40

Scalegrid

MARCH 14, 2024

Tailoring resource allocation efficiently ensures faster application performance in alignment with organizational demands. This evaluation should also consider possible cost reductions and enhancements in performance that could be realized within the cloud environment. It should offer user-friendly operation.

Strategy 130

Strategy Cloud Artificial Intelligence Infrastructure 130

Smashing Magazine

MAY 20, 2020

How To Make Performance Visible With GitLab CI And Hoodoo Of GitLab Artifacts. How To Make Performance Visible With GitLab CI And Hoodoo Of GitLab Artifacts. Performance degradation is a problem we face on a daily basis. Performance is a competitive advantage that can bring and retain customers. Anton Nemtsev.

Performance 99

Performance Metrics Best Practices Code 99

The Netflix TechBlog

FEBRUARY 9, 2021

In the old architecture, each of these requests resulted in an API call to authenticate the claims presented with the request, as shown: EdgePaas Enters the Picture To further complicate the situation, the Edge Engineering team was in the middle of migrating from an old API server architecture to a new PaaS-based approach.

Architecture 221

Architecture Latency Servers Website 221

Scalegrid

DECEMBER 16, 2019

What’s most impressive is that you’re not compromising performance for cost. We ran performance tests for MongoDB on DigitalOcean vs. AWS vs. Azure and found that DigitalOcean performance was in line with, if not better, on both high throughput and low latency in the deployment. Monitoring Performance.

Azure 187

Azure AWS Latency Database 187

Percona

DECEMBER 26, 2023

This PoC demonstrates how to install and configure pg_stat_monitor in order to extract useful and actionable metrics from a PostgreSQL database and display them on a Grafana dashboard. pg_stat_monitor About pg_stat_monitor is a Query Performance Monitoring tool for PostgreSQL. About the environment Grafana: version 10.0.0

Benchmarking 121

Benchmarking Metrics C++ Database 121

Tim Kadlec

SEPTEMBER 30, 2015

Alongside of that we have Google’s QUIC which could provide significant reduction in latency. Improved performance metrics have shifted the discussion to more experience-based optimizations such as optimizing for the critical path. I learned that performance was important. I learned that typography was important.

Technology 53

Technology Technology Latency Design 53

Dynatrace

APRIL 6, 2022

Observability across the full technology stack gives teams comprehensive, real-time insight into the behavior, performance, and health of applications and their underlying infrastructure. Observability can identify the baseline user experience and allow teams to improve it by optimizing page load times or reducing latency.

DevOps 231

DevOps Innovation Infrastructure Analytics 231

John McCalpin

APRIL 2, 2020

This was a keynote presentation at the “2nd International Workshop on Performance Modeling: Methods and Applications” (PMMA16), June 23, 2016, Frankfurt, Germany (in conjunction with ISC16 ). This data is from the 2007 presentation.

Benchmarking 59

Benchmarking Performance Latency Architecture 59

Alex Russell

MARCH 6, 2021

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

Dynatrace

DECEMBER 22, 2021

With observability, teams can understand what part of a system is performing poorly and how to correct the problem. Observability is made up of three key pillars: metrics, logs, and traces. Metrics are measures of critical system values, such as CPU utilization or average write latency to persistent storage.

Artificial Intelligence 178

Artificial Intelligence Metrics Architecture DevOps 178

The Netflix TechBlog

NOVEMBER 12, 2019

Page Simulation for Better Offline Metrics at Netflix by David Gevorkyan , Mehmet Yilmaz , Ajinkya More , Gaurav Agrawal , Richard Wellington , Vivek Kaushal , Prasanna Padmanabhan , Justin Basilico At Netflix, we spend a lot of effort to make it easy for our members to find content they will love. One way to do this is by running A/B tests.

Metrics 124

Metrics Government Systems Testing 124

Smashing Magazine

AUGUST 22, 2021

HTTP/3: Performance Improvements (Part 2). HTTP/3: Performance Improvements (Part 2). In this second part, we will zoom in on the performance improvements that QUIC and HTTP/3 bring to the table for web-page loading. HTTP/3 performance features ( current article ). Two-way latency is often called round-trip time (RTT).

Performance 106

Performance Network Latency Servers 106

The Netflix TechBlog

MARCH 13, 2020

In this tech blog, we will report the current status of the SVT-AV1 project, as well as the characteristics and performance of the encoder and decoder. See the next section for an outline of the main SVT-AV1 features that allow high performance at competitive compression efficiency.

Open Source 154

Open Source Efficiency C++ Speed 154

The Netflix TechBlog

NOVEMBER 12, 2019

Page Simulation for Better Offline Metrics at Netflix by David Gevorkyan , Mehmet Yilmaz , Ajinkya More , Gaurav Agrawal , Richard Wellington , Vivek Kaushal , Prasanna Padmanabhan , Justin Basilico At Netflix, we spend a lot of effort to make it easy for our members to find content they will love. One way to do this is by running A/B tests.

Metrics 100

Metrics Government Systems Testing 100

The Netflix TechBlog

NOVEMBER 12, 2019

Page Simulation for Better Offline Metrics at Netflix by David Gevorkyan , Mehmet Yilmaz , Ajinkya More , Gaurav Agrawal , Richard Wellington , Vivek Kaushal , Prasanna Padmanabhan , Justin Basilico At Netflix, we spend a lot of effort to make it easy for our members to find content they will love. One way to do this is by running A/B tests.

Metrics 100

Metrics Government Systems Testing 100

Dotcom-Montior

MAY 12, 2020

Websites are now more than just the storage and retrieval of information to present content to users. Web monitoring is a comprehensive term that describes the activity of testing a website or web application for its availability and performance. HTTP monitoring allows you to test availability and performance from around the world.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

Smashing Magazine

MAY 16, 2022

To my surprise, web performance monitoring conversations rarely surface Server-Timing or cover a very shallow understanding of its application — despite it being out for many years. The header is constructed via a name with an optional description and/or metric value. The only required field is the name. Consuming Server-Timing.

Servers 93

Servers Monitoring Cache Network 93

Dotcom-Montior

NOVEMBER 24, 2021

A three-tier system is a software application architecture that consists of a presentation layer, application layer, and data, or core, layer. This provides organizations to scale out horizontally to provide better functionality and performance. Blockchain is a good example of this. Three-Tier. Reliability. White-box Monitoring.

Systems 74

Systems Monitoring Hardware Network 74

Adrian Cockcroft

APRIL 5, 2023

This proposal seeks to define a standard for real-time carbon and energy data as time-series data that would be accessed alongside and synchronized with the existing throughput, utilization and latency metrics that are provided for the components and applications in computing environments.

Energy 52

Energy Metrics Cloud Operating System 52

All Things Distributed

JUNE 21, 2018

As I have talked about before, one of the reasons why we built Amazon DynamoDB was that Amazon was pushing the limits of what was a leading commercial database at the time and we were unable to sustain the availability, scalability, and performance needs that our growing Amazon.com business demanded. The opposite is true.

Database 167

Database AWS Games Latency 167

The Morning Paper

MARCH 17, 2020

Based on these findings, the authors present four guidelines to get the best performance out of this memory today. The data we have collected demonstrate that many of the assumptions that researchers have made about how NVDIMMs would behave and perform are incorrect. Understanding Optane DIMM performance.

Scalability 59

Scalability Latency Cache Media 59