Alternative Databases

Alternative Databases Scott MacVicar php|tek 2009 Wednesday, 27 May 2009

Who are you? Wednesday, 27 May 2009

History Lesson Wednesday, 27 May 2009

First Data Storage Wednesday, 27 May 2009

Relational Databases FTW! Relational Database is Born Wednesday, 27 May 2009

Parts of a RDBMS? Maths SQL Relation Table Derived Result Set Relation Tuple Row Attribute Column Domain Type Wednesday, 27 May 2009

SQL Purpose Retrieval Manipulation Transactions Wednesday, 27 May 2009

SQL Fails Complex Speciﬁcation Join Fails Where clause Wednesday, 27 May 2009

RDBMS through the Ages Wednesday, 27 May 2009

RDBMs suck Adding ﬁelds is hard Complex Copying / Backup database Performance Wednesday, 27 May 2009

Scaling? Master Master Master Database Database Database App App App Wednesday, 27 May 2009

Scaling? Slave Master Slave Database Database Database App App App Wednesday, 27 May 2009

“Write consistency is the reason RDBMS are imploding under their own weight.” Wednesday, 27 May 2009

Why do we use a RDBMs? Wednesday, 27 May 2009

RDBMS Hangups Wednesday, 27 May 2009

Save See Secure Share Wednesday, 27 May 2009

Memcache + BerkleyDB = MemcacheDB Wednesday, 27 May 2009

MemcacheDB Memcache isn’t persistent :( Memcache dependency Wednesday, 27 May 2009

MemcacheDB Simple Protocol Tried and tested DB Transactions Replication Wednesday, 27 May 2009

Using MemcacheDB Wednesday, 27 May 2009

MemcacheDB Save ✔ See ✔ Secure ✖ Share ✔ Wednesday, 27 May 2009

Tokyo Cabinet Collection of types Created for mixi.jp (Facebook of Japan) Common API New in PHP6, maybe PHP 5.3.1 Wednesday, 27 May 2009

Tokyo Hash Database Constant time for most operations Second Hash for collisions Key values stored in a bucket array Wednesday, 27 May 2009

Buckets! Key Value Key Value Key Value Key Value Key Value Key Value Wednesday, 27 May 2009

Tokyo Cabinet Hash Wednesday, 27 May 2009

B+ Tree Ordered Access Multiple Keys Cursor Wednesday, 27 May 2009

Fixed-Length Access by numeric key No keys stored Fast Wednesday, 27 May 2009

Fixed-Length 0 value value value value value value value 8 value value value value value value value 16 value value value value value value value 24 value value value value value value value 32 value value value value value value value 40 Wednesday, 27 May 2009

Table Database Schema-less Named Attributes Indexes Queries Wednesday, 27 May 2009

Table Database Primary Key name value name value name value Primary Key name value name value name value Primary Key name value name value name value Wednesday, 27 May 2009

Tokyo Tyrant Network wrapper Speaks Memcache / HTTP Wednesday, 27 May 2009

TokyoCabinet Save ✔ See ✔ Secure ✔ Share ✖ Wednesday, 27 May 2009

CouchDB REST JavaScript Erlang Wednesday, 27 May 2009

CouchDB Document Database Replication Map Reduce No Indexes Wednesday, 27 May 2009

Database Access GET /_all_dbs PUT /somedatabase/ DELETE /somedatabase/ GET /somedatabase/ Wednesday, 27 May 2009

Document Access GET /somedatabase/_all_docs PUT /somedatabase/some_docid POST /somedatabase/ DELETE /somedatabase/some_docid GET /somedatabase/some_docid Wednesday, 27 May 2009

CouchDB Document Wednesday, 27 May 2009

CouchDB Views Wednesday, 27 May 2009

CouchDB Scaling Caching Clustering Layering Wednesday, 27 May 2009

CouchDB Wrappers PHPillow - http://short.ie/buiqhu Phly_Couch - http://short.ie/pa47gp Wednesday, 27 May 2009

CouchDB Save ✔ See ✔ Secure ✔ Share ✔ Wednesday, 27 May 2009

Amazon SimpleDB XML Rest Application Wednesday, 27 May 2009

Amazon SimpleDB Amazon Web Service Cloudy Rest / XML Wednesday, 27 May 2009

SimpleDB 1 billion attributes 5 seconds execution 1024 byte values Wednesday, 27 May 2009

SimpleDB Set Wednesday, 27 May 2009

SimpleDB Query Wednesday, 27 May 2009

SimpleDB API Ofﬁcially Amazon API - http://short.ie/apx6c3 Tarzan-AWS - http://short.ie/54rucx Wednesday, 27 May 2009

SimpleDB Save ✔ See ✔ Secure ✔ Share ✔ Wednesday, 27 May 2009

Questions? http://talks.macvicar.net http://couchdb.apache.org http://aws.amazon.com http://memcachedb.org Wednesday, 27 May 2009

Alternative Databases

by Scott MacVicar on May 26, 2009

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Alternative Databases — Presentation Transcript