In a previous article, "Introduction to Graphical Database Neo4j", we introduced a very popular method of using graphical database neo4j. In this article, we'll simply introduce another type of NoSQL database--cassandra.The reason for exposure to
Recently, I tried to build a cloud storage platform. After constant comparison, I decided to use Cassandra as the underlying database. Here we record the learning process of Cassandra.
Cassandra is a hybrid non-relational database with distributed,
Cassandra can be installed on many systems. I installed it on Windows Server 2008 R2. The installation is quite simple. You just need to extract the downloaded compressed package to a directory, here we will mainly record the user experience:
Various strategies in the Cassandra
http://dongxicheng.org/nosql/cassandra-strategy/
1. Background information
Cassandra uses a distributed hash table (DHT) to determine the node that stores a data object. In DHT, the node that is responsible
Cassandra authoritative guide
Basic Information
Author:
(US) Eben Hewitt [Translator's introduction]
Translator: Wang Xu
Series name: Turing programming Series
Press: People's post and telecommunications Press
ISBN: 9787115251121
Mounting time: 2
Deploy the two-node cassandra cluster to ensure that jdk is installed in the system, but not to configure the JAVA environment variable cassandra version: apache-cassandra-1.1.5jdk version: jdk1.6.0 _ 381, cassandra Log Path # vimlog4j-s
Deploy the
1. Basic Configuration
First, you need to prepare 3 or more computers. The following assumes 3 computers running a Linux operating system with IP addresses of 192.168.0.100, 192.168.0.101, and 192.168.0.102. The system needs to install the Java
Cassandra data model (based on CQL to solve the problem of limit on the number of fat columns and flexibility) (Version 1.1 and later) describes Cassandra's programming model and data structure. Since the Cassandra version has been updated several
Our previousArticle(Talk About the Cassandra client) explains how to query data in Cassandra on the client side. Why use ringcache?
Cassandra's internal read/write process is like this:
1 The client first randomly finds a machine in the Cassandra
1. Inverse entropyThe Cassandra database draws on Amazon's Dynamo in a distributed architecture, and references Google's bigtable on the data storage model. So in the data consistency and dynamo and BigTable have a deep connection, inverse
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