Tue.Jun 08, 2021

Linux Kernel vs. Memory Fragmentation (Part I)

High Scalability

This post introduces common methods to prevent Linux memory fragmentation, the principle of memory compaction, how to view the fragmentation index, etc. Linux Performance

OneAgent release notes version 1.217


Dynatrace news. Rollout starts June 8, 2021. With this release, the oldest supported OneAgent versions are: Dynatrace ONE. Dynatrace ONE Premium. 1.199. 1.193. Added support for Oracle Hotspot JVM 16 for Linux, Alpine Linux 64-bit (ARM64 (AArch64)).


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High Scalability

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Using SLOs to become the optimization athlete with Dynatrace


Dynatrace news. This post was co-authored by Jean-Louis Lormeau, Digital Performance Architect at Dynatrace. .

It’s never too late to add unit tests to legacy code

TechBeacon Testing

Most developers believe in the value of unit tests, even if they don't always like writing them. Most of them are okay with writing unit tests while doing new development work or practicing test-driven development (TDD), but it's easy to be disciplined with greenfield development.

The White House Executive Order on Cybersecurity: How Dynatrace observability delivers on three essential directives


Dynatrace news. With the recent release of the White House “Executive Order on Improving the Nation’s Cybersecurity,” the Biden administration has issued a forceful response to incidents such as the Colonial Pipeline and the SolarWinds attacks.

Scaling of Uber’s API gateway

Uber Engineering

As a recap from the last article , Uber’s API Gateway provides an interface and acts as a single point of access for all of our back-end services to expose features and data to Mobile and 3rd party partners.