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@S.Lott - Thanks.
o
I see "NoSQL' is more of a buzzword and Hasan suggested the same above.
o
You're tagging this question with [key-value-store] and many answers below are about graph oriented db, document oriented db, OODB.
o
This doesn't make any sense.
o
If you just want to use something because of the hype, pick anything.
o
But this question doesn't make any sense.
o
@Pascal - You are right.
o
The question is superfluous....
n
Some of the answers were helpful in the sense that they led me to learn a bit about graph databases, but that is irrelevant to the question.
n
Naturally, there is no "correct answer" here for me to accept.
p
The easiest thing to do is to go to URL_http://en.wikipedia.org/wiki/NoSQL and pick any of the technologies mentioned there.
p
Thanks.
o
Definitely URL_http://www.orientechnologies.com [OrientDB] ( URL_http://www.orientechnologies.com) : It's 100% written in Java (requires JRE 1.6 for the client/server version, otherwise JRE 1.5) Elegant Java APIs Really fast.
p
About 50.000 insert/sec on common HW Small: less than 1Mb for all Support for SQL with extension for links, graphs and objects Native support for Security Run as embedded or in client/server configuration.
o
Next releases will support clustering and partitioning Apache 2 license: free for any use Much more .
p
I've had great success with URL_http://neo4j.org [Neo4J] .
p
The database is embedded so the amount of effort required to get the system running is minimal.
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Additionally the client interface to the DB is a pleasure to work with.
p
The entire setup is two additional jars on the classpath.
o
Thanks.
o
I will look it up.
o
+1 for neo4j.
o
I've been using it in a project and found it integrates very easily into a project.
o
My only gripe is version 1.1 doesn't have a way to get a relationship between two nodes by providing a method getRelationship(node1, node2).
n
Otherwise, it's been awesome.
p
I'd recommend it.
p
If you're looking for a simple stable implementation of a NoSQL DB system, look no further than Apache (they have over 10 years of development experience).
p
Few that comes to mind: URL_http://couchdb.apache.org/ [CouchDB] URL_http://cassandra.apache.org/ [Cassandra] .
o
Developed by Facebook but now under Apache.
o
Twitter, Facebook, Digg, etc.
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are using Cassandra.
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It's fully written in Java and can be accessed via Java using URL_http://incubator.apache.org/thrift/ [Thrift] or URL_http://avro.apache.org/ [Avro] .
o
Redis (although Redis doesn't run flexibly well on Windows OS).
p
It's owned by VMWare.
o
You do want to use Cassandra for this.
o
It would be the exact wrong choice for your requirements.
n
@ericflo - Can you elaborate a bit more please?
o
Cassandra != easy if you ask me!
p
It scales very well if I have to believe digg,facebook, twitter, etc.
p
@Alfred, it's easier once you get the hang of it.
n
It's just creating your column families that's a schlep.
o
Apache is an organization.
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Being an Apache project tells not much about the code quality; in the end Apache grants a good legal quality, nothing else.
p
@Ansgar, You're confusing Apache License with Apache projects.
n
I'm basically saying that Apache has good java-based products for NoSQL databases.
p
The fact that they've been consistent in java based software development for over 10 years and with huge support shows that they are a "trustworthy" organization.
p
A document database has a very simple storage model and basic query abilities.
p
URL_http://www.mongodb.org/downloads [MongoDB] for example, seems to have everything you need in terms of compatibility and is very easy to set up.
p
I would choose between 2 options: 1) URL_http://en.wikipedia.org/wiki/Berkeley_DB [Berkeley-DB] : it's very mature and at the same time very simple key-value storage.
p
It could be the best choice in not one big issue: it was bought by Oracle and some licensing issues can occur now.
p
Read carefully info about licensing and it your requirements don't break the agreement then go with it.
o
2) MySql on MyISAM engine without any foreign keys (i.e.
o
several independent not normalized tables).
o
You'll use it just as a key-value storage.
o
Read this answer about URL_http://stackoverflow.com/questions/2285045/what-scalability- problems-have-you-solved-using-a-nosql-data-store/2316921#2316921 [using- MySql-as-NoSql-storage] .
o
If I were in your shoes, I'd go with this option just because I know that it would show great performance, there are mature tools for working with MySql, many people have experience with it and at any time you can easily use all its relational potential if you eventually decide to go back to RDBMS solutions.
p
The SQL database you have most experience with.
o
MySQL, Postgre, HyperDB, whatever.
o
If you want to learn something, then any NoSQL database is fine - you'd learn a lot about distributing data and scalability in the process.
o
Cassandra, Neo4j, MongoDB, etc.
o
Lotus Notes Domino would meet all of your requirements.
o
It would also provide robust security and potential scalability as well.
p
Welcome to Stack Overflow.
p
We can hear you loud and clear.
p
There's no need for ALL CAPS.
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edit to remove the SHOUTY CAPS.
o
;).
o
What is the best api/library for Java to use Cassandra?
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I'm looking for an API with the following requirements 1.
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It's simple to use and is concise.
p
It is not bloated.
p
2.
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Works with Spring way of doing things, or is at least easy to make it work with Spring 3.
p
Has a Maven repository, preferably it's already in the main repositories 4.
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Is production-tested, meaning a fair number of people are using it in production applications.
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Help?
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Thanks!
o
URL_http://github.com/rantav/hector [Hector] and URL_http://code.google.com/p/pelops/ [Pelops] are, as far as I know, the two that are most widely used (4).
o
I dont think any of the two are mavenized (3).
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Both should work in a Spring framework environment(2).
o
Your first criteria might be a little bit subjective.
n
I dont find any of these two bloated.
n
You might do, if you do, please tell me.
o
Hector is mavenized.
o
Pelops is mavenized as well.
p
Pelops documentation is very poor.
o
i know this is an old question but I'd like to point future viewer of the question to URL_https://github.com/Netflix/astyanax [Astyanax] .
o
It's a URL_https://github.com/Netflix/astyanax/wikihttp:// [very-well-documented] Cassandra API with many examples and support very high level features such as locking and all versions of cql.
o
Astyanax is also URL_http://mvnrepository.com/artifact/com.netflix.astyanax/astyanax [Mavenized] .
o
Kundera is a object-datastore mapping tool for Cassandra, Hbase and MongoDB.
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Some of the salient features are: JPA 2.0 compliant.
p
Column/ super column indexing using lucene.
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Support for entity relationships and JPA queries.
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Cross-datastore persistence It's hosted here: URL_https://github.com/impetus-opensource/Kundera [ URL_https://github.com/impetus-opensource/Kundera ] .
o
From JPA to NOSQL.
o
I am trying to add a NOSQL data into my JPA-based application, following URL_http://static.springsource.org/spring-data/data-graph/snapshot- site/reference/html/#cross-store [this-tutorial] .
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The entity I want to add, was befored modeled without NOSQL in this way: Triple.java CODESNIPPET_JAVA1 .
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ConceptPk.java CODESNIPPET_JAVA2 .
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I am omiting repetitions, but the 3 CODETERM1 s are part of the primary key, of the @Id.
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Adapting this entity to NOSQL: CODESNIPPET_JAVA3 .
o