No SQL - BarCamp Nürnberg 2010

Jonathan Weiss, 20.02.2010Peritor GmbH

N✮SQLData-Storage jenseits von SQL

Saturday, February 20, 2010

Wer?

Ruby-Entwickler

Open-Source-Contributor (http://github.com/jweiss)

@jweiss

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http://github.com/mattmatt

http://github.com/mattmatt

N✮SQL-Datenbanken?

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Built for the Web

Skalierbar

Performant

Flexibles Datenschema


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DynamoCouchDBDynomite

Tokyo Tyrant

MongoDB

Riak

Amazon SimpleDB

Redis Memcached

BigTableAmazon S3

Cassandra

Lotus Notes

Excel ;)Neo4j

Project Voldemort HBase


Der Status-Quo

Relationale Datenstrukturen

SQL

Transaktionssicherheit

Locking

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Das Problem

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Das Problem

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Die Lösung

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”Simplicity is prerequisite for reliability“— Edsger W. Dijkstra


Die Lösung

key => “value”

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Dokumente

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Integrität

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Eventual Consistency

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Append-Only

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Append-Only

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Update


Append-Only

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Update


Skalierbarkeit

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Tools

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Tools

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Tokyo Tyrant

MongoDB

Riak

Amazon SimpleDB

Redis Memcached

BigTableAmazon S3

Cassandra

Lotus Notes

Excel ;)Neo4j



Tools

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Tokyo Tyrant

MongoDB

Riak

Amazon SimpleDB

Redis Memcached

BigTableAmazon S3

Cassandra

Lotus Notes

Excel ;)Neo4j



Redis

Simpler Key-Value-Store

Speichert Strings, Listen und Sets

Semi-Persistent

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Redis

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Redis

set foo 4

1000

+OK

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Redis

set foo 4

1000

+OK

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Request

Response


Amazon SimpleDB

Database as a Service

Hoch-Skaliert

Always On

HTTP-API

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Amazon SimpleDB

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Amazon SimpleDB

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Amazon SimpleDB

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MembershipsItem #1

Name: Paul, Address: 234 Performance Rd.

Item #2Name: John, Address: 567 Couch St.

Item #3Name: Frank, Address: 321 Cloud Ave.

Item #4Name: Tom, Address: 123 Scale St.


Amazon SimpleDB

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MembershipsItem #1





Domain


Amazon SimpleDB

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MembershipsItem #1






Amazon SimpleDB

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MembershipsItem #1





Item


Amazon SimpleDB

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Memberships




Item #1Name: Paul, Address: 234 Performance Rd.


Amazon SimpleDB

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Memberships





Attribute


Amazon SimpleDB

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Memberships





Attribute Value


Amazon SimpleDB

Wie komme ich an die Daten?

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Amazon SimpleDB

GetAttributes: ItemName=1

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Amazon SimpleDB

select * from memberships where Name = ‘Paul’

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Amazon SimpleDB

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Simplizität durch Restriktionen


Skalierung mit Eventual Consistency

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Amazon SimpleDB


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CouchDBrelax


CouchDB

Dokument-orientiert

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”CouchDB is built of the Web“— Jacob Kaplan-Moss


CouchDB

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{ "_id": "BCCD12CBB", "_rev": "1-AB764C", "type": "person", "name": "Darth Vader", "age": 63, "headware": ["Helmet", "Sombrero"], "dark_side": true}


CouchDB

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CouchDB

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CouchDB - CRUD

Erstellen/Aktualisieren:

PUT /starwars/BCCD12CBB

Lesen:

GET /starwars/BCCD12CBB

Löschen:

DELETE /starwars/BCCD12CBB

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CouchDB

Wie komme ich an meine Daten?

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CouchDB

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Views!


CouchDB

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function(doc) { if (doc.headware) { for (var hat in doc.headware) { emit(hat, 1); } }}


CouchDB

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function(keys, values, rereduce) { return sum(values);}


CouchDB

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CouchDB

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CouchDB

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CouchDB

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CouchDB

POST /_replication

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Und?

Daten sind wieder König

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Aber!

Kein goldener Hammer

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Peritor

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Cloud-Management und -Deployment made easy

http://scalarium.com




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No SQL - BarCamp Nürnberg 2010

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