Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? I've shared many posts about superpower observability tools, but often humble hacking is just as effective. Try changing the kernel clocksource.

Speed 126

Speed Java AWS Virtualization 126

Dynatrace

JUNE 1, 2023

Measuring application performance is increasingly important because as organizations digitally transform, they’re also accelerating the speed of software delivery. Note : you might hear the term latency used instead of response time. Both latency and response time are critical to ensure reliability.

Traffic 173

Traffic Latency Website Virtualization 173

Scalegrid

JANUARY 25, 2024

Key Takeaways Critical performance indicators such as latency, CPU usage, memory utilization, hit rate, and number of connected clients/slaves/evictions must be monitored to maintain Redis’s high throughput and low latency capabilities. Similarly, an increased throughput signifies an intensive workload on a server and a larger latency.

Metrics 130

Metrics Monitoring Latency Cache 130

Dynatrace

JANUARY 18, 2023

However, getting reliable answers from observability data so teams can automate more processes to ensure speed, quality, and reliability can be challenging. This drive for speed has a cost: 22% of leaders admit they’re under so much pressure to innovate faster that they must sacrifice code quality.

DevOps 203

DevOps Best Practices Innovation Strategy 203

Dynatrace

NOVEMBER 6, 2023

With topics ranging from best practices to cloud cost management and success stories, the conference will be a valuable resource for understanding observability and getting started. Dynatrace enables teams to specify SLOs, such as latency, uptime, availability, and more. KubeCon North America is this week.

Development 267

Development DevOps Programming Cloud 267

DZone

JULY 10, 2019

In addition, compute and storage are increasingly being separated causing larger latencies for queries. But to get the best performance, like any technology stack, you need to follow the best practices. Alluxio is leveraged as compute-side virtual storage to improve performance.

Best Practices 133

Best Practices Latency Storage Tuning 133

Dynatrace

FEBRUARY 4, 2021

Site reliability engineering (SRE) is the practice of applying software engineering principles to operations and infrastructure processes to help organizations create highly reliable and scalable software systems. ” According to Google, “SRE is what you get when you treat operations as a software problem.” Solving for SR.

Engineering 257

Engineering DevOps Government Latency 257

Dynatrace

JANUARY 13, 2022

For example, data collected on load actions can include navigation start, request start, and speed index metrics. Providing insight into the service latency to help developers identify poorly performing code. Best practices for RUM. Real user monitoring collects data on a variety of metrics. Want to learn more?

Monitoring 184

Monitoring Latency Mobile Best Practices 184

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? I've shared many posts about superpower observability tools, but often humble hacking is just as effective. Try changing the kernel clocksource.

Speed 52

Speed Java AWS Virtualization 52

Dynatrace

FEBRUARY 24, 2021

Cloud-native environments bring speed and agility to software development and operations (DevOps) practices. But with that speed and agility comes new complications and complexity, all while maintaining performance and reliability with less than 1% down-time per year. Reduced latency. SRE as an application of DevOps.

DevOps 191

DevOps Software Engineering Speed Google 191

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. Storing frequently accessed data in faster storage, usually in-memory caching, improves data retrieval speed and overall system performance. Beyond

AWS 252

AWS Efficiency Azure Cloud 252

Dynatrace

DECEMBER 15, 2022

This includes response time, accuracy, speed, throughput, uptime, CPU utilization, and latency. As workloads shift to public, private, and hybrid cloud environments, CloudOps teams help IT and DevOps manage increasing complexity by defining and managing best practices for cloud-based operations. Performance.

Artificial Intelligence 208

Artificial Intelligence DevOps Hardware Virtualization 208

KeyCDN

AUGUST 15, 2019

When the word “performance” is heard, most people immediately think of speed. Wait time: Sometimes called average latency, wait time refers the amount of time a request spends in a queue before it gets processed. Peak response time: The longest response time.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

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. We welcome that DAX is generally available."

Speed 123

Speed Cache Latency AWS 123

Dynatrace

FEBRUARY 4, 2021

Site reliability engineering (SRE) is the practice of applying software engineering principles to operations and infrastructure processes to help organizations create highly reliable and scalable software systems. ” According to Google, “SRE is what you get when you treat operations as a software problem.” Solving for SR.

Engineering 180

Engineering DevOps Government Latency 180

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? I've shared many posts about superpower observability tools, but often humble hacking is just as effective. Try changing the kernel clocksource.

Speed 40

Speed Java AWS Virtualization 40

Scalegrid

JANUARY 12, 2024

Memory Allocation: Allocating sufficient memory linked directly to the assigned CPU ensures effective utilization resulting in better system speed. The fundamental principles at play include evenly distributing the workload among servers for better application performance and redirecting client requests to nearby servers to reduce latency.

Cloud 130

Cloud Virtualization Storage Efficiency 130

Dynatrace

FEBRUARY 2, 2022

service availability with <50ms latency for an application with no revenue impact. Commonly, teams create SLOs because they are simply following what others in the industry are doing, or because they are common best practices. This can create an unnecessary distraction and steal time away from critical tasks.

DevOps 201

DevOps Metrics Best Practices Latency 201

Dynatrace

DECEMBER 2, 2021

You can set SLOs based on individual indicators, such as batch throughput, request latency, and failures-per-second. SLO best practices. Here are some best practices to help you achieve the goals set out in your SLOs: Less is more. These trends also help you adjust business objectives and SLAs.

Metrics 196

Metrics Best Practices DevOps Infrastructure 196

HammerDB

OCTOBER 12, 2018

This post complements the previous best practice guides this time with the focus on MySQL and MariaDB and achieving top levels of performance with the HammerDB MySQL TPC-C test. System setup is covered on the PostgreSQL Best Practice post so it will not be repeated here as the steps are the same.

Best Practices 40

Best Practices Scalability Performance C++ 40

HammerDB

OCTOBER 8, 2018

maximum transition latency: Cannot determine or is not supported. GHz. The governor "performance" may decide which speed to use. within this range. CPUidle driver: intel_idle. Latency: 0. CPUs which need to have their frequency coordinated by software: 0. hardware limits: 1000 MHz - 3.80

Best Practices 40

Best Practices Scalability Performance Hardware 40

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. What do we mean by a mutable or immutable file? FAQs Page.

Cache 264

Cache Latency Strategy Servers 264

Percona

JUNE 22, 2023

Query performance Query performance is a key performance indicator (KPI) in MySQL, as it measures the efficiency and speed of query execution. As a best practice, It is advisable to have different mounts for MySQL data and log files with specific system configurations.

Performance 102

Performance Monitoring Traffic Database 102

Percona

SEPTEMBER 1, 2023

This reduction in latency ensures that applications and websites provide a more rapid and responsive user experience. Enhanced User Experience Whether you operate an e-commerce platform, a content management system, or any other application reliant on MySQL, users will notice and appreciate the improved speed and responsiveness.

Tuning 52

Tuning Database Performance Hardware 52

Speed Curve

MAY 1, 2023

If you've invested countless hours in speeding up your pages, but you're not using performance budgets to prevent regressions, you could be at risk of wasting all your efforts. INP logs the latency of all interactions throughout the entire page lifecycle. It's easier to make a fast website than it is to keep a website fast.

Performance 98

Performance Metrics Media Google 98

Smashing Magazine

AUGUST 3, 2023

Largest Contentful Paint (LCP) LCP measures the perceived load speed of a webpage from a user’s perspective. The shorter the TTFB, the better the perceived speed of the site from the user’s perspective. It also reports on mobile usability, security, and best practices such as HTTPS. Time to First Byte over time.

Performance 74

Performance Cache Traffic Metrics 74

CSS - Tricks

MARCH 16, 2020

Google Lighthouse is one of the best-automated tools available on a web developer's utility belt. These are: Performance Accessibility Best Practices SEO Progressive Web App. If your latency is higher than 50ms, users may perceive your app as laggy. How should the metric comparison be output to the console?

Google 82

Google Latency Website Metrics 82

Smashing Magazine

AUGUST 15, 2023

Large preview ) While browsers are generally pretty fast, these steps still take time to load, typically in seconds, and even longer on slower, high-latency network connections. That’s practically an eternity when talking about page speed performance. 400 pages , jam-packed with in-depth user research and best practices.

Media 73

Media Metrics Mobile Best Practices 73

CSS - Tricks

APRIL 1, 2021

Speed is also something Google considers when ranking your website placement on mobile. With all of this in mind, I thought improving the speed of my own version of a slow site would be a fun exercise. It’s is a Google service that audit things performance, accessibility, SEO, and best practices.

Cache 92

Cache Social Media Media Website 92

KeyCDN

JUNE 20, 2019

The lower conversion rate on mobile could be due to a variety of reasons including the website not being responsive for mobile devices, the speed isn’t up to par, etc. Improve Site Speed In 2019, having fast site speed is imperative. There are many ways to speed up a slow website.

Ecommerce 41

Ecommerce Speed Website Mobile 41

HammerDB

OCTOBER 18, 2019

Nevertheless in this blog sometimes we do publish performance data to highlight best practices or potential configuration pitfalls and although we’ve mentioned this one before it is worth dedicating an entire post to it as this issue seems to appear numerous times running database workloads on Linux. (Yes

Benchmarking 63

Benchmarking Performance Hardware C++ 63

Testsigma

JANUARY 30, 2021

Each smartphone comes with various screen sizes and resolutions, operates on different network speeds, and has different hardware capabilities. Testing helps in finding latency time of an application: Users prefer to use mobile phones over desktop when they are looking for any query, booking flight/movie ticket.

Mobile 52

Mobile Testing Website Internet 52

Rigor

OCTOBER 30, 2019

When you run Lighthouse, you can choose to receive up to five different scores, including SEO, Best Practices, Progressive Web App (PWA), Accessibility, and Performance , that can provide valuable insight for your dev team to act on. When it comes to network speed, Lighthouse gives you three options – and no others.

Google 51

Google Best Practices Energy Website 51

VoltDB

JULY 10, 2018

In these scenarios, having the system as a monolithic one inhibits the development team from being able to move forward at speed. In these use cases, data processing usually has less than a 5 milliseconds latency budget. As the complexity of applications and systems increases, the size of the teams that work on these also increase.

Architecture 40

Architecture Scalability Ecommerce Latency 40

VoltDB

JULY 10, 2018

In these scenarios, having the system as a monolithic one inhibits the development team from being able to move forward at speed. In these use cases, data processing usually has less than a 5 milliseconds latency budget. As the complexity of applications and systems increases, the size of the teams that work on these also increase.

Architecture 40

Architecture Scalability Ecommerce Latency 40

Smashing Magazine

MAY 20, 2020

This metric is important, but quite vague because it can include anything — starting from server rendering time and ending up with latency problems. Let’s write a script that allows us to measure performance, a11y, best practices, and provide us with an SEO score. title, value: report.categories['best-practices'].score,

Performance 98

Performance Metrics Best Practices Code 98

Smashing Magazine

JANUARY 11, 2021

You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Note : If you use Page Speed Insights or Page Speed Insights API (no, it isn’t deprecated!),

Performance 145

Performance Cache Media Metrics 145