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

The Netflix TechBlog

Migrating Critical Traffic At Scale with No Downtime — Part 1 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Hundreds of millions of customers tune into Netflix every day, expecting an uninterrupted and immersive streaming experience. This approach has a handful of benefits.

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Web Performance Testing — What, Why, How of Core Web Vitals

DZone

A website needs to be constantly tested and optimized to be in line with Google's web and SEO guidelines. As a result, it has an advantage over others in terms of visibility, brand image, and driving traffic. This article will learn about web performance testing and how Core Web Vitals plays a crucial and strategic part in it.

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How Dynatrace boosts production resilience with Site Reliability Guardian

Dynatrace

Validation tasks are then extended left to cover performance testing and release validation in a pre-production environment. While the first guardian validates the traffic, the second guardian checks the business transactions generated during the observation period. The functionality is implemented via an automated workflow.

DevOps 180
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2023 Black Friday and Cyber Monday retail and e-commerce IT performance observations

Dynatrace

What was once an onslaught of consumer traffic between Black Friday and Cyber Monday has turned into a weeklong event, with most retailers offering deals well ahead of Black Friday. Below is a Dynatrace honeycomb chart depicting the performance of the synthetics tests tracked by the Dynatrace Business Insights team.

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Migrating Critical Traffic At Scale with No Downtime?—?Part 2

The Netflix TechBlog

Migrating Critical Traffic At Scale with No Downtime — Part 2 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Picture yourself enthralled by the latest episode of your beloved Netflix series, delighting in an uninterrupted, high-definition streaming experience. This is where large-scale system migrations come into play.

Traffic 279
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Understanding the True Cost of Client-Side A/B Testing

Tim Kadlec

Client-side A/B testing has been a performance loving developer’s worst friend for years. From a convenience perspective, running client-side tests is significantly easier to do than server-side testing. With server-side testing, you need developer resources to create different experiments.

Testing 137
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Managing High Availability in PostgreSQL – Part III: Patroni

Scalegrid

For test purposes, DCS can be installed on same nodes running PostgreSQL. High Availability Test Scenarios. We conducted a few tests on PostgreSQL HA management using Patroni. All of these tests were performed while the application was running and inserting data to the PostgreSQL database. Standby Server Tests.