Home » sysadmin » Page 2

Tag: sysadmin

  • 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…

    Read

  • 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…

    Read

  • 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

  • Kafka high-level 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

  • How RPC and NFS work

    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

  • 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…

    Read