• Tech Blog

    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…

    Read

  • Tech Blog

    Kafka overview

    Zookeeper General definition of distributed system: a software system that is composed of independent computing entities linked together by a computer network whose components communicate…

    Read

  • Tech Blog

    How NFS works

    I touched on NFS in several previous postings, and here is a deeper dive of this particular protocol. NFS is built on top of Remote…

    Read

  • Tech Blog

    EMC Isilon

    EMC has several product lines for different use cases in enterprise data storage. Like may other IT solutions, the website is clouded with marketing terms…

    Read

  • Tech Blog

    Docker network

    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…

    Read

  • Tech Blog

    DataStax Python Driver

    For someone with relational database background, analyzing data in Cassandra isn’t intuitive. There are two reasons. First, Cassandra data table is hardly updated or deleted…

    Read