couchbase couchdb

Couchdb is a document-oriented database system developed using Erlang. It has just released version 0.10. Couchdb is not a traditional relational database, but a document-oriented database. Its data storage method is similar to Lucene's inde file format, the biggest significance of couchdb is that it is a new generation of storage system for Web applications. In

Apache CouchDB is a document-oriented database management system. It provides a REST interface with JSON as a data format to manipulate it and can manipulate the organization and rendering of documents through views. CouchDB is the top open source project of the Apache Foundation.COUCHDB implementation to the bottom of the data structure is two types of b+tree.Unlike today's popular relational database serv

Label:Recently I spent one weeks studying NoSQL, I have a 4 million record MySQL speed is slow, ready to migrate to NoSQL, because the main is some JSON format of the document, originally serialized in MySQL, because of the look of Erlang, known as the very ox x platform, Pick in the COUCHDB, but import 400,000 effective test data, in the local run time, found that the speed is particularly slow (the local machine is 2011 years of imac, equipped with

Based on version 1.2 Document Storage If the table is the storage unit of SQL Server, the documents are the storage unit of couchdb. Each document has a unique ID. Developers can add, query, modify, and delete documents based on the restful http api provided by couchdb. Columns in the SQL Server table, that is, fields, including int, String, text, Boolean, and Other types. The document fields in

Tags: blog http io ar os using SP for JavaSource: http://www.csdn.net/article/2011-03-21/294226This article is in the official MongoDB website, MongoDB and couchdb very similar, they are document-type storage, data storage format is JSON type, all use JavaScript to operate, all support map/reduce. But in fact, there are many essential differences between the two, this article through the phenomenon to pursue the essence, so that you better understand

on a lot of people on the cache cluster discussion, to find a comparison of the new system couchbase.memcached VS CouchbaseCouchbase Cluster Design Peer networkCouchbase cluster All points are equivalent, but you need to specify a master node when creating a cluster or joining a cluster, once the node is successfully joined to the cluster, all nodes are equal.Image source: couchbase.comThe advantage of the peer network is that any node in the cluster fails, and the cluster provides services wit

After running with the previous source code, we found that only one configuration information is servers=127.0.0.1:11211, that is, the IP and port of the service of Couchbase server, where the data directly exists in defaultDepending on the actual project, we will use the SASL Buckets interface, Bucketname and bucketpwd for the bucket name and password.You need to configure some parameters when you create the builderMemcachedclientbuilder builder = ne

No reference code when the re-write or a little tired, this is a review, the first time to write a reference to some other messy code, although not with this same, but do not understand the situation is quickly written out, but this is the only need to find what jars have been engaged for half a day, Finally found that the extern with a jar is enough, addresses and Auth before is also confused, this time finally to figure outMaven IntroductionDependency> groupId>Com.googlecode.xmemcachedgroup

Because of the project needs, ready to start the NoSQL database, compared to finally decided to use Couchbase. Okay, let's get started:InstallationAddress: Http://www.couchbase.com/get-started-developing-nosql#Download_Couchbase_ServerVersion: Enterprise Edition 4.5.1, Community Edition 4.1.0System: Windows, Mac OSXEnter a bunch of required items and start the download.Windows installationConfigurationThere's nothing special to note next. Create a dat

on a lot of people on the cache cluster discussion, to find a comparison of the new system couchbase.memcached VS CouchbaseCouchbase Cluster Design Peer networkCouchbase cluster All points are equivalent, but you need to specify a master node when creating a cluster or joining a cluster, once the node is successfully joined to the cluster, all nodes are equal.Image source: couchbase.comThe advantage of the peer network is that any node in the cluster fails, and the cluster provides services wit

In NoSQL's heyday today, a variety of nosql products are blossoming, but each product has its own characteristics, there are advantages and not suitable for the scene. In this paper, the characteristics of cassandra,mongodb,couchdb,redis,riak and HBase are analyzed in many aspects, I hope you will have a better understanding of the characteristics of these nosql products after reading this article. C