Dynatrace

FEBRUARY 15, 2023

SREs use Service-Level Indicators (SLI) to see the complete picture of service availability, latency, performance, and capacity across various systems, especially revenue-critical systems. Thus, Site Reliability Guardian supports DevOps and SREs in speeding up release delivery and improving release quality.

DevOps 208

DevOps Latency Traffic Best Practices 208

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. This will slow this test a little.)

Speed 126

Speed Java AWS Virtualization 126

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. It can achieve impressive performance, handling up to 50 million operations per second.

Metrics 130

Metrics Monitoring Latency Cache 130

Dynatrace

JUNE 27, 2022

These development and testing practices ensure the performance of critical applications and resources to deliver loyalty-building user experiences. RUM, however, has some limitations, including the following: RUM requires traffic to be useful. For example, in e-commerce, you can validate and test checking out a shopping cart.

Best Practices 166

Best Practices Monitoring Wireless Traffic 166

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. This will slow this test a little.)

Speed 52

Speed Java AWS Virtualization 52

KeyCDN

NOVEMBER 4, 2021

The POP is strategially located within the country and lowers latency overall. KeyCDN is always on the lookout for ways to minimize latency and accelerate asset delivery worldwide. Traffic from this POP will be billed towards Latin America according to our pricing. Hola Mexico! In this case, the POP's identifier is mxmc.

Latency 111

Latency Tuning Cache Traffic 111

Percona

MARCH 29, 2023

Benefits of snappy compression in MongoDB: Fast compression and decompression speeds Low CPU usage A streamable format that allows for quick processing Minimal impact on query performance Zstandard Compression or zstd , another newer block compression method provided by MongoDB starting for v4.2, provides higher compression rates.

Storage 105

Storage Network Open Source Latency 105

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. This will slow this test a little.)

Speed 40

Speed Java AWS Virtualization 40

The Morning Paper

OCTOBER 4, 2020

We are standing on the eve of the 5G era… 5G, as a monumental shift in cellular communication technology, holds tremendous potential for spurring innovations across many vertical industries, with its promised multi-Gbps speed, sub-10 ms low latency, and massive connectivity. Throughput and latency. energy consumption).

Energy 130

Energy Latency Performance Network 130

IO River

NOVEMBER 2, 2023

But remember, static content trades off real-time personalization for speed and consistency, lacking in dynamic interactivity.Static content and CDNs are a power duo, delivering your site's unvarying elements at unparalleled speed.Pros and Cons of Static ContentPros of Static Content:Caching Benefits: Static content is highly cacheable.

Cache 52

Cache Social Media Website Performance Website 52

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. That said, it should also be monitored for usage, which will exhibit the traffic pressuring them. This is not an exhaustive list but an example of what we can watch for.

Performance 102

Performance Monitoring Traffic Database 102

KeyCDN

FEBRUARY 4, 2021

Source: nameshield.com Why reliable DNS hosting is important Choosing a reliable DNS hosting provider is critical because it can affect everything from the redundancy of your website, speed, and even security. Speed Speed also plays a role with DNS. You can test the DNS lookup time and TTFB with a website speed test tool.

Cache 134

Cache Website Internet Internet 134

Testsigma

JANUARY 30, 2021

About two decades ago, testing was only limited to the desktop. With the rapidly increasing use of smartphones and ease of access to the internet across the globe, testing has spread across vast platforms. The native and mobile web browser testing is being performed more and more compared to desktop testing.

Mobile 52

Mobile Testing Website Internet 52

IO River

NOVEMBER 2, 2023

But remember, static content trades off real-time personalization for speed and consistency, lacking in dynamic interactivity.Static content and CDNs are a power duo, delivering your site's unvarying elements at unparalleled speed.Pros and Cons of Static ContentPros of Static Content:Caching Benefits: Static content is highly cacheable.

Cache 52

Cache Social Media Website Performance Website 52

Speed Curve

MARCH 11, 2024

After years of development and testing, Google has added Interaction to Next Paint (INP) to its trifecta of Core Web Vitals – the performance metrics that are a key ingredient in its search ranking algorithm. This frustration is hardwired, as you can learn in this post about the psychology of site speed and human happiness.)

Mobile 81

Mobile Google Metrics Monitoring 81

High Scalability

JULY 20, 2018

lowrykoz : Stolen from a co-worker "Every company has a test environment. During our testing using the storage optimized EC2 instances (I3.2xlarge) we noticed that we were able to perform over 200K IOPS of 1K byte items thus meeting our throughput goals with latency rarely exceeding 1 millisecond.

Internet 121

Internet Internet Scalability Automotive 121

KeyCDN

AUGUST 15, 2019

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. What is Performance Testing? In the context of web development, performance testing entails using software tools to simulate how an application runs under specific circumstances.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

Dotcom-Montior

MAY 12, 2020

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. To overcome those intimidating errors, frequent automated and real-time tests should be made.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

All Things Distributed

NOVEMBER 13, 2018

Some of the largest enterprises and public sector organizations in Italy are using AWS to build innovations and power their businesses, drive cost savings, accelerate innovation, and speed time-to-market. By moving to AWS, Lamborghini was able to prepare the development and test environment in a couple of days. million unique visits.

AWS 167

AWS Energy Automotive Traffic 167

CSS - Tricks

JULY 25, 2019

In this article, we uncover how PageSpeed calculates it’s critical speed score. It’s no secret that speed has become a crucial factor in increasing revenue and lowering abandonment rates. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. Speed Index.

Google 71

Google Engineering Speed Mobile 71

John McCalpin

APRIL 2, 2020

Here I assumed a particular analytical function for the amount of memory traffic as a function of cache size to scale the bandwidth time. This system also had significantly lower memory latency than many contemporary systems (which were still using front-side bus architectures and separate “NorthBridge” chips).

Benchmarking 59

Benchmarking Performance Latency Architecture 59

Alex Russell

MAY 9, 2022

This is a complex topic, but to borrow from a recent post , web performance expands access to information and services by reducing latency and variance across interactions in a session, with a particular focus on the tail of the distribution (P75+). Consistent performance matters just as much as low average latency.

Performance 86

Performance Latency Metrics Engineering 86

Tim Kadlec

APRIL 18, 2019

Even if it is 4G (5G, or whatever else) that doesn’t exactly guarantee you’ll be getting the amazing, theoretical speeds promised. Once a new network does get rolled out, it takes years for carriers to optimize it to try and close in on the promised bandwidth and latency benchmarks. And those speeds aren’t constant.

Network 61

Network Speed Internet Internet 61

Percona

MAY 2, 2023

The speed of backup also depends on allocated IOPS and type of storage since lots of read/writes would be happening during this process. PBM uses the faster “s2” library and parallelized threads to improve speed and performance if extra threads are available as resources. Records backup progress logging.

Best Practices 52

Best Practices Database Storage Servers 52

Smashing Magazine

JANUARY 11, 2021

Testing And Monitoring Auditing workflow, proxy browsers, 404 page, GDPR cookie consent prompts, performance diagnostics CSS, accessibility. You can then mimic the 90th percentile’s experience for testing. Note : If you use Page Speed Insights or Page Speed Insights API (no, it isn’t deprecated!), Quick Wins.

Performance 145

Performance Cache Media Metrics 145

Alex Russell

MARCH 6, 2021

Recall that single-core performance most directly translates into speed on the web. OpenSignal's global report on connection speeds ( pdf ) suggest that WebPageTest's default 4G configuration (9Mbps w/ 170ms RTT) is a reasonable stand-in for the P75 network link. Updated Geekbench 4 single-core scores for each mobile price-point."

Performance 124

Performance Network Cache Metrics 124

VoltDB

JUNE 1, 2017

An opening scene involving a traffic jam of Viking boats and a musical number (“Love Can’t Afjord to wait”). Manpower Optimizers” want help with managing development and test in a large corporate environment. Latency Optimizers” – need support for very large federated deployments. Vikings fight zombies.

Hardware 56

Hardware Latency Virtualization Cloud 56

VoltDB

JUNE 1, 2017

An opening scene involving a traffic jam of Viking boats and a musical number (“Love Can’t Afjord to wait”). Manpower Optimizers” want help with managing development and test in a large corporate environment. Latency Optimizers” – need support for very large federated deployments. Vikings fight zombies.

Hardware 40

Hardware Latency Virtualization Cloud 40

Smashing Magazine

JANUARY 6, 2020

Testing And Monitoring. 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. You can then mimic the 90th percentile’s experience for testing. Quick Wins.

Performance 145

Performance Cache Network Metrics 145

Abhishek Tiwari

NOVEMBER 3, 2018

You should expect one-time implementation cost (depending CMS and business requirements it can cost 200,000 USD to 3M USD) and yearly hosting infrastructure cost (proportional to load and traffic but typically 30,000 USD - 300,000 USD per year). Gone the days when you required to have big fat-contract with Akamai.

Systems 63

Systems Cache Website Network 63

The Netflix TechBlog

NOVEMBER 3, 2022

In that scenario, the system would need to deal with the data propagation latency directly, for example, by use of timeouts or client-originated update tracking mechanisms. With traffic growth, a single leader node handling all request volume started becoming overloaded. The cache is kept in sync with the current leader process.

Cache 224

Cache Latency Traffic Systems 224

Smashing Magazine

JANUARY 7, 2019

Testing And Monitoring. You need a business stakeholder buy-in, and to get it, you need to establish a case study on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. You can then mimic the 90th percentile’s experience for testing. Now you have something measurable to test against.

Performance 104

Performance Cache Metrics Network 104

Alex Russell

OCTOBER 22, 2017

Automating testing against an objective baseline. JavaScript is the single most expensive part of any page in ways that are a function of both network capacity and device speed. It simulates a link with a 400ms RTT and 400-600Kbps of throughput (plus latency variability and simulated packet loss). What’s going on here?

Performance 68

Performance Benchmarking Network Mobile 68

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. Synthetic Tests. In this article, we will use synthetic tests and assume that our project uses GitLab with its built-in CI for project deployment. Let’s install it.

Performance 100

Performance Metrics Best Practices Code 100

The Netflix TechBlog

SEPTEMBER 2, 2020

Edgar captures 100% of interesting traces , as opposed to sampling a small fixed percentage of traffic. Telltale provides Edgar with latency benchmarks that indicate if the individual trace’s latency is abnormal for this given service. Is this an anomaly or are we dealing with a pattern?

Latency 296

Latency Transportation Engineering Traffic 296

Brendan Gregg

SEPTEMBER 5, 2017

We're now testing container hosts in production on btrfs, instead of ZFS. Here's some output from my zfsdist tool, in bcc/BPF, which measures ZFS latency as a histogram on Linux: # zfsdist. Tracing ZFS operation latency. In a test environment, I've seen several more Linux panics in the past three years.

Virtualization 76

Virtualization AWS Engineering Hardware 76

All Things Distributed

DECEMBER 12, 2018

They can run applications in Sweden, serve end users across the Nordics with lower latency, and leverage advanced technologies such as containers, serverless computing, and more. Vivino also uses Auto Scaling to deal with the large seasonal fluctuations in traffic. Telenor Connexion. Telenor Connexion is all-in on AWS.

AWS 124

AWS Cloud Games Serverless 124