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    Optimize CPU and Memory for Kubernetes Pod

    When optimizing workload performance, it is important to understand how on earth operating system allocates CPU and memory to processes. This helps understand how to…

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  • Java Garbage Collection

    Tuning the garbage collector is the most important thing that can be done to improve the performance of a Java application. GC is typically caused…

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  • Balloon steals memory from virtual machines

    This article is my experience with memory balloon on virtual machine. I came across an ElasticSearch server (ESXi guest with 32GB physical memory) where the…

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  • How is memory managed in Linux

    When speaking about memory there are a few concepts that I had to wrap my head around. I’m hence putting them together for future reference.…

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  • Linux Kernel and process scheduling

    Kernel introduction Linux system is composed of three main bodies of code, in line with the most traditional UNIX implementations: Kernel: The kernel is responsible…

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