Articles

• Elasticsearch Query

  December 20 2016 by oxnz

  Table of Contents

  • Table of Contents

• Elasticsearch Customization

  December 15 2016 by oxnz

  Elasticsearch Customization

• Infromation Retrieval

  December 10 2016 by oxnz

  Information Retrieval

  given a query and a corpus, find relevant documents.

  query

  user’s expression of the information need

  corpus

  the repository of retrievable items

  relevance

  satisfaction of the information need

• Gnuplot

  December 2 2016 by oxnz

  Install

  ./configure --disable-dependency-tracking \
      --disable-silent-rules --disable-wxwidgets \
      --with-qt=no --without-tutorial
  make -j 32
  sudo make install
  

• Elasticsearch - Performance Tuning

  November 30 2016 by oxnz

  

• Elastcisearch operation

  November 30 2016 by oxnz

  Common Elasticesarch operations

• Search Engine - Measurements

  November 24 2016 by oxnz

  Introduction

  Measurements of a search engine.

• Nginx Source

  November 21 2016 by oxnz

  Introduction

  Nginx Source Code

• Hibernate

  November 20 2016 by wangzai

  Hibernate

  单个参数设置方式

      hql = "from task where id = ?";
      this.session.createQuery(hql).setParamter(0,1); //单个或则多个参数设置传递
  

• CoreOS

  November 7 2016 by oxnz

  Introduction

  CoreOS is a powerful Linux distribution built to make large, scalable deployments on varied infrastructure simple to manage. Based on a build of Chrome OS, CoreOS maintains a lightweight host system and uses Docker containers for all applications. This system provides process isolation and also allows applications to be moved throughout a cluster easily.

  To manage these clusters, CoreOS uses a globally distributed key-value store called etcd to pass configuration data between nodes. This component is also the platform for service discovery, allowing applications to be dynamically configured based on the information available through the shared resource.

  In order to schedule and manage applications across the entirety of the cluster, a tool called fleet is used. Fleet serves as a cluster-wide init system that can be used to manage processes across the entire cluster. This makes it easy to configure highly available applications and manage the cluster from a single point. It does this by tying into each individual node’s systemd init system.

  • 更快的启动速度
  • 平滑版本升级
  • 应用容器化