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Java memory optimizations: 3x Jenkins performance improvement with Dynatrace

Dynatrace

Dynatrace also alerted on intermittent outages throughout the day and especially after 8pm when the bulk of the nightly jobs were executed: On March 31st our Jenkins violated our SLAs from both availability and user experience. But let’s start from the beginning: Step #1 – Switching to Java 11.

Java 255
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Bending pause times to your will with Generational ZGC

The Netflix TechBlog

If you’re interested in how we use Java at Netflix, Paul Bakker’s talk How Netflix Really Uses Java , is a great place to start. More than half of our critical streaming video services are now running on JDK 21 with Generational ZGC, so it’s a good time to talk about our experience and the benefits we’ve seen.

Latency 228
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Extend infrastructure observability with JMX Extensions and additional full-stack metrics

Dynatrace

To provide you with more value when monitoring hosts in infrastructure mode, we’re extending our infrastructure mode with a range of metrics that have until now only been available in full-stack mode. Monitor any infrastructure component and backing service that’s written in Java. Enabling JMX and PMI extensions.

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Tricks with Direct Memory Access in Java

Highly Scalable

Java was initially designed as a safe, managed environment. Nevertheless, Java HotSpot VM contains a “backdoor” that provides a number of low-level operations to manipulate memory and threads directly. In general, such functionality is safely available via NIO’s off-heap bufferes. sizeof() Function.

Java 101
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Dynatrace Application Security detects and blocks attacks automatically in real-time

Dynatrace

Of course, as with all vulnerability management solutions, there was and is the risk that vulnerabilities are exploited while DevSecOps teams are working to fix them. Real-time attack detection and blocking for Java will be available in the next 120 days. How to get started.

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Sponsored Post: ipdata, StackHawk, InterviewCamp.io, Educative, Triplebyte, Stream, Fauna

High Scalability

Check out Educative.io 's bestselling new 4-course learning track: Scalability and System Design for Developers. Client libraries are available for Node, Ruby, Python, PHP, Go, Java and.NET. Effortlessly add state to your Javascript apps with FaunaDB. Generous free tier. Join more than 300,000 other learners.

Education 115
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Sponsored Post: StackHawk, InterviewCamp.io, Educative, Triplebyte, Stream, Fauna

High Scalability

Check out Educative.io 's bestselling new 4-course learning track: Scalability and System Design for Developers. Client libraries are available for Node, Ruby, Python, PHP, Go, Java and.NET. Effortlessly add state to your Javascript apps with FaunaDB. Generous free tier. Join more than 300,000 other learners.

Education 105