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Technical overview

Programming language C++ Java

Language Bindings & Clients C, C++, Erlang, Haskell, Java, JavaScript, .NET (C# F#, PowerShell, etc), Perl, PHP, Python, Ruby, Scala.

Java, Jython ,Groovy DSL , Scala, REST

Protocols Mongo Wire Protocol Apache Avro, Thrift, REST

First public release and current state Feb 2009 Last release 2.0.2 14th December 2011

Jul 2010 Last release 0.92.0 23th January 2012

Technical overview

Querying Mongo Query Language Filter LanguageAtomicity Conditional +Consistency + +Isolation - +Durability + -

Secondary Indexes Indexing of embedded element, compound key

Periodic-Update Secondary Index Filter Query Dual-Write Secondary Index Summary Tables

Map/Reduce Supports Sharding + +Replication + +Revision control - +

MongoDB features

Document-orientedCapped CollectionsGreed FS IndexingMap ReduceQuery languageJSON/BSONEventually-consistence

HBase features

• Column oriented(after Google big table)• Bloom filters on per column basis• MapReduce• Secondary Indexes• HDFS based• Revision controll

MongoDB configuration example

HBase configuration

MongoDB use casesGit Hub : the social coding site, is using MongoDB for an internal reporting application.РосГос затраты: RosSpending is the first Russian public spending monitoring project..Disney: common set of tools and APIs for all games within the Interactive Media Group, using MongoDB as a common object repository to persist state information.Over 300 of companies have prodact deployments of mongoDB

HBase use casesFacebook : Real-Time messaging Over 152 billions messages monthlyAdobe: 30 nodes social services ,data and processing for internal use.Explorys: over a billion anonymized clinical recordsMozilla Socorro : Crash reporting systemPowered by about 40 companies

Benchmarking

• Enveroment: Amazon Elastic compute cloud.• Testing tool – Yahoo Cloud Service

benchmark(YCSB)

MongoDB Benchmarking.12hours of loading.95.000.000 records for 2 shards167.600.000 for 4 shards

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Questions

skype: google_micmailto: mikhail.hul@gmail.commailto: mikhail.hul@altoros.com