第 3 章 Cassandra，cassandra

第 3 章 Cassandra，cassandra

目录

3.1. Getting Started

3.1.1. Downloading and Installation

3.1.2. Running Cassandra

3.1.3. cli tool

3.1.4. Testing Cassandra

3.2. Configure Cassandra

3.2.1. Envionment variables

3.2.2. log4j.properties

3.2.3. storage-conf.xml

3.3. Keyspace

3.3.1. Schema

3.3.1.1. Keyspace

3.3.1.2. Column family

3.3.1.2.1. Name

3.3.1.2.2. Column

3.3.1.2.3. Super column

3.3.1.2.4. Sorting

3.3.2. Keyspace example

3.4. Cluster

3.4.1. Running a cluster

3.4.2. Running a single node

3.4.3. nodetool

http://incubator.apache.org/cassandra/

3.1. Getting Started

3.1.1. Downloading and Installation

$ cd /srv/

		
$ cd /usr/local/src/

$ sudo wget -c http://apache.freelamp.com/cassandra/0.5.1/apache-cassandra-0.5.1-bin.tar.gz
$ sudo tar zxvf apache-cassandra-0.5.1-bin.tar.gz
$ cp -r /usr/local/src/apache-cassandra-0.5.1 /srv/
$ cd /srv/
$ sudo ln -s apache-cassandra-0.5.1 apache-cassandra
$ cd apache-cassandra
		
		

3.1.2. Running Cassandra

Running Cassandra

		
$ bin/cassandra
$ Listening for transport dt_socket at address: 8888
INFO - Saved Token not found. Using 70882909557229809272696372631016976044
INFO - Starting up server gossip
		
		

3.1.3. cli tool

cli

$ bin/cassandra-cli

		
neo@db:/srv/apache-cassandra$ bin/cassandra-cli
Welcome to cassandra CLI.

Type 'help' or '?' for help. Type 'quit' or 'exit' to quit.
cassandra>
		
		

		
cassandra> connect localhost/9160
Connected to localhost/9160
		
		

3.1.4. Testing Cassandra

test

		
cassandra> show keyspaces
Keyspace1
system
		
		

insert value

		
cassandra> set Keyspace1.Standard1['member']['name']='neo'
Value inserted.
cassandra> set Keyspace1.Standard1['member']['age']='27'
Value inserted.
cassandra> set Keyspace1.Standard1['member']['email']='openunix@163.com'
Value inserted.
cassandra>
cassandra> get Keyspace1.Standard1['member']
=> (column=name, value=neo, timestamp=1271070497471)
=> (column=email, value=openunix@163.com, timestamp=1271070498334)
=> (column=age, value=27, timestamp=1271070497519)
Returned 3 results.
cassandra>
		
		

原文出处：Netkiller 系列 手札
本文作者：陈景峯
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