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TCP: Out of Memory — Consider Tuning TCP_Mem

DZone

You may also like: Java Out of Memory Heap Analysis. This application was running on multiple AWS EC2 instances behind Elastic Load Balancer. The application was running on a GNU/Linux OS, Java 8, Tomcat 8 application server. All other application instances were handling the traffic properly.

Tuning 173
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Intro to Redis Sharding

Scalegrid

It enhances scalability and manages traffic surges, though it requires specific client support and limits multi-key operations to a single hash slot. Redis Sharding: An Overview Consider Redis Cluster as a multi-lane highway where the lanes represent hash slots, and traffic symbolizes data. We will take Jedis as our example.

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Platform Engineering Teams Done Right…

Adrian Cockcroft

The next layer is defined by the languages you want to use, Java, Python, Go, , Javascript, Rust etc, and the ecosystem of library functions you bought from a vendor or downloaded. The virtualization and networking platform could be datacenter based, with something like VMware, or cloud based using one of the cloud providers such as AWS EC2.

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The Speed of Time

Brendan Gregg

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two. us on Centos and 0.68

Speed 126
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OneAgent & ActiveGate release notes, version 1.175

Dynatrace

Java 6 WebSphere Application Server version 8.5 ( EOS by IBM in April 2018 ) OneAgent 1.183 will be the last version that supports WebSphere version 8.5 with Java 6. Going forward, only combinations with Java 7 or higher will be supported. Dynatrace news. Support added for reactor-netty version 0.8. General improvements.

Java 101
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Leverage automated and intelligent observability for OpenTelemetry for Go with Dynatrace PurePath 4

Dynatrace

Further expanding our support for OpenTelemetry metrics as well as out-of-the-box OpenTracing Java instrumentation, Dynatrace is happy to announce OneAgent support for the capture of OpenTelemetry trace data for Go. With Dynatrace OneAgent you also benefit from support for traffic routing and traffic control.

Traffic 166
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Building Netflix’s Distributed Tracing Infrastructure

The Netflix TechBlog

Our tactical approach was to use Netflix-specific libraries for collecting traces from Java-based streaming services until open source tracer libraries matured. We chose Open-Zipkin because it had better integrations with our Spring Boot based Java runtime environment.