article thumbnail

What are quality gates? How to use quality gates to deliver better software at speed and scale

Dynatrace

Quality gates to validate the “four golden signals” The “four golden signals” represent the most crucial metrics of a customer-facing system’s performance. These metrics are latency, traffic, errors, and saturation, all of which must be key considerations when curating user experience. The passing threshold is anything below 50 ms.

Speed 200
article thumbnail

API Design Principles for Optimal Performance and Scalability

DZone

The goal is to help developers, technical managers, and business owners understand the importance of API performance optimization and how they can improve the speed, scalability, and reliability of their APIs. API performance optimization is the process of improving the speed, scalability, and reliability of APIs.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

Bandwidth or Latency: When to Optimise for Which

CSS Wizardry

When it comes to network performance, there are two main limiting factors that will slow you down: bandwidth and latency. Latency is defined as…. Where bandwidth deals with capacity, latency is more about speed of transfer 2. and reduction in latency. and reduction in latency. Bandwidth is defined as….

Latency 133
article thumbnail

Answering Common Questions About Interpreting Page Speed Reports

Smashing Magazine

Answering Common Questions About Interpreting Page Speed Reports Answering Common Questions About Interpreting Page Speed Reports Geoff Graham 2023-10-31T16:00:00+00:00 2023-10-31T17:06:18+00:00 This article is sponsored by DebugBear Running a performance check on your site isn’t too terribly difficult. It’s right there in the name!

Speed 97
article thumbnail

The Speed of Time

Brendan Gregg

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Microbenchmark os::javaTimeMillis() on both systems. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()?

Speed 126
article thumbnail

Crucial Redis Monitoring Metrics You Must Watch

Scalegrid

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. These essential data points heavily influence both stability and efficiency within the system.

Metrics 130
article thumbnail

Best practices and key metrics for improving mobile app performance

Dynatrace

User demographics , such as app version, operating system, location, and device type, can help tailor an app to better meet users’ needs and preferences. By monitoring metrics such as error rates, response times, and network latency, developers can identify trends and potential issues, so they don’t become critical.