Tech Reviews

Reviews of existing technologies

  • Virtualization 2 of 4 – Graphics Computing

    We covered hypervisor in previous post. In this article we focus on the virtualization of graphics computing resource. GPU vs CPU GPU is a specialized…

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  • Virtualization 1 of 4 – Hypervisor

    In broad terms, virtualization of computing resource is about isolation of resources, at different levels. There are five levels of virtualization: In my context I…

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  • Docker network in different modes

    Reading notes of “Docker DeepDive”. Docker networking is backed by libnetwork, which is an implementation of Container Network Model (CNM), an open-source pluggable architecture designed…

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  • Performance Analysis

    Overview In 2015, Brendan Gregg posted two great articles on Netflix blog: Linux Performance Analysis in 60 seconds, and Linux Perfomrance Tools. They have great…

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  • Capture filter and Display filter in Network Analyzer

    Capture filter is set before collecting packets. It is applied at the time of data acquisition and it impacts the size of the capture. It…

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  • Docker Compose, Docker Stack and Docker Swarm

    This posting covers some basic docker orchestration tools. Docker Compose Docker Compose’s predecessor is a tool called Fig developed by Orchard, which was acquired by…

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