Remove Exercise Remove Metrics Remove Strategy
article thumbnail

Ensuring the Successful Launch of Ads on Netflix

The Netflix TechBlog

We informed our engineering and business partners, including customer support, about the experiment and ramped up traffic incrementally while monitoring the success and error metrics through Lumen dashboards. We continued ramping up and eventually reached 100% replay. At this point we felt confident to run the replay traffic 24/7.

Traffic 351
article thumbnail

Site-Speed Topography

CSS Wizardry

Any time you run a test with WebPageTest, you’ll get this table of different milestones and metrics. Higher variance means a less stable metric across pages. I can see from the screenshot above that TTFB is my most stable metrics—no one page appears to have particularly expensive database queries or API calls on the back-end.

Speed 328
Insiders

Sign Up for our Newsletter

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

article thumbnail

Migrating Critical Traffic At Scale with No Downtime?—?Part 1

The Netflix TechBlog

This blog series will examine the tools, techniques, and strategies we have utilized to achieve this goal. The second phase involves migrating the traffic over to the new systems in a manner that mitigates the risk of incidents while continually monitoring and confirming that we are meeting crucial metrics tracked at multiple levels.

Traffic 349
article thumbnail

Panel Recap: How is your performance and reliability strategy aligned with your customer experience?

Dynatrace

I recently joined two industry veterans and Dynatrace partners, Syed Husain of Orasi and Paul Bruce of Neotys as panelists to discuss how performance engineering and test strategies have evolved as it pertains to customer experience. The post Panel Recap: How is your performance and reliability strategy aligned with your customer experience?

Strategy 190
article thumbnail

Interpreting A/B test results: false negatives and power

The Netflix TechBlog

We then used simple thought exercises based on flipping coins to build intuition around false positives and related concepts such as statistical significance, p-values, and confidence intervals. the difference in metric values between Groups A and B?—?the The variability of the metric in the underlying population. Sample size.

Testing 213
article thumbnail

Seven benefits of AIOps to transform your business operations

Dynatrace

But AIOps also improves metrics that matter to the bottom line. With better data intelligence across the software development lifecycle, individuals in every role can exercise more autonomy and experience greater job satisfaction. Create a cloud observability strategy with automatic and intelligent AIOps.

article thumbnail

Seamlessly Swapping the API backend of the Netflix Android app

The Netflix TechBlog

Over the course of this post, we will talk about our approach to this migration, the strategies that we employed, and the tools we built to support this. To prepare ourselves for a big change in the tech stack of our endpoint, we decided to track metrics around the time taken to respond to queries.

Latency 243