# groonga - An open-source fulltext search engine and column store.

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# 2.5. CentOS

This section describes how to install groonga related RPM packages on CentOS. You can install them by `yum`.

We distribute both 32-bit and 64-bit packages but we strongly recommend a 64-bit package for server. You should use a 32-bit package just only for tests or development. You will encounter an out of memory error with a 32-bit package even if you just process medium size data.

Note

The package 'groonga' is the mininum set of fulltext search engine. If you want to use groonga for server use, you can install additional preconfigured packages.

There are three packages for server use.

- groonga-server-http (simple HTTP protocol based server package)
- groonga-httpd (nginx and HTTP protocol based server package)
- groonga-server-gqtp (GQTP protocol based server package)

See Server section about details.

## 2.5.1. CentOS 5

Install:

    % sudo rpm -ivh http://packages.groonga.org/centos/groonga-release-1.1.0-1.noarch.rpm
    % sudo yum makecache
    % sudo yum install -y groonga

If you want to use MeCab as a tokenizer, install groonga-tokenizer-mecab package.

Install groonga-tokenizer-mecab package:

    % sudo yum install -y groonga-tokenizer-mecab

Then install MeCab dictionary. (mecab-ipadic or mecab-jumandic)

Install IPA dictionary:

    % sudo yum install -y mecab-ipadic

Or install Juman dictionary:

    % sudo yum install -y mecab-jumandic

There is a package that provides Munin plugins. If you want to monitor groonga status by Munin, install groonga-munin-plugins package.

Note

Groonga-munin-plugins package requires munin-node package that isn't included in the official CentOS repository. You need to enable Repoforge (RPMforge) repository or EPEL repository to install it by `yum`.

Enable Repoforge (RPMforge) repository on i386 environment:

    % wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.i386.rpm
    % sudo rpm -ivh rpmforge-release-0.5.2-2.el5.rf.i386.rpm

Enable Repoforge (RPMforge) repository on x86_64 environment:

    % wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm
    % sudo rpm -ivh rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm

Enable EPEL repository on any environment:

    % wget http://download.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm
    % sudo rpm -ivh epel-release-5-4.noarch.rpm

Install groonga-munin-plugins package:

    % sudo yum install -y groonga-munin-plugins

There is a package that provides MySQL compatible normalizer as groonga plugins. If you want to use that one, install groonga-normalizer-mysql package.

Install groonga-normalizer-mysql package:

    % sudo yum install -y install groonga-normalizer-mysql

## 2.5.2. CentOS 6

Install:

    % sudo rpm -ivh http://packages.groonga.org/centos/groonga-release-1.1.0-1.noarch.rpm
    % sudo yum makecache
    % sudo yum install -y groonga

If you want to use MeCab as a tokenizer, install groonga-tokenizer-mecab package.

Install groonga-tokenizer-mecab package:

    % sudo yum install -y groonga-tokenizer-mecab

Then install MeCab dictionary. (mecab-ipadic or mecab-jumandic)

Install IPA dictionary:

    % sudo yum install -y mecab-ipadic

Or install Juman dictionary:

    % sudo yum install -y mecab-jumandic

There is a package that provides Munin plugins. If you want to monitor groonga status by Munin, install groonga-munin-plugins package.

Note

Groonga-munin-plugins package requires munin-node package that isn't included in the official CentOS repository. You need to enable EPEL repository to install it by `yum`.

Enable EPEL repository on any environment:

    % sudo rpm -ivh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm

Install groonga-munin-plugins package:

    % sudo yum install -y groonga-munin-plugins

There is a package that provides MySQL compatible normalizer as groonga plugins. If you want to use that one, install groonga-normalizer-mysql package.

Install groonga-normalizer-mysql package:

    % sudo yum install -y install groonga-normalizer-mysql

## 2.5.3. Build from source

Install required packages to build groonga:

    % sudo yum install -y wget tar gcc-c++ make mecab-devel

Download source:

    % wget http://packages.groonga.org/source/groonga/groonga-3.0.8.tar.gz
    % tar xvzf groonga-3.0.8.tar.gz
    % cd groonga-3.0.8

Configure (see configure about `configure` options):

    % ./configure

Build:

    % make -j$(grep '^processor' /proc/cpuinfo | wc -l)

Install:

    % sudo make install

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