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Apache vs. Riak

Apache Riak + Add column
Spark Riak
Preference 50% votes 50% votes
Website cassandra.​apache.​org docs.​basho.​com
Database model
Data storage
Embeddable Yes No
Query language
Data types
Conditional entry updates Yes No
Map and reduce Yes Yes
Unicode Yes Yes
TTL for entries Yes Yes
Compression Yes Yes
Integrity model
Atomicity Yes No
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions No No
Referential integrity No No
Revision control Yes Yes
Locking model No
Secondary Indexes Yes Yes
Composite keys Yes Yes
Full text search No Yes
Geospatial Indexes Yes No
Graph support Yes No
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding Yes ?
Shared nothing architecture Yes Yes
Value size max. 2 GB 64 MB
System requirements
Operating system
Native driver
Memory minimum 512 MB 4 GB
Programming language
Description Second Generation Distributed Database High performance key-value/document store.
Multi-user system Yes Yes
Extension/Plug-in Yes ?
Price rating ★★★★☆ ?
Standard compliance No No
Software distribution
Object-Relational Mapping (ORM) Yes ?
Release Date 2008 17ᵗʰ August 2009
Documentation level ★★★★☆ ★★★★★
RESTful Yes Yes
Lines of code 383 k 4.5 k
Distributed Counter Yes Yes
Free to use Yes Yes
Active Yes Yes
Database Connection Pooling Yes Yes
Real time analytics Yes Yes
Creation Date 2008 17ᵗʰ November 2009
Community Driven Good Good
Web interface Yes No
Color ?
Cloud platform support
Online backup Yes Yes
Log Yes Yes
Implementation flexibility (9% global votes) (67% global votes)
Download cassandra.​apache.​org/​download/​ basho.​com/​resources/​downloads/​
Level of access authorization ?
Backup functionality Good Good
Query Cache Yes Yes
Ease of use ★★★☆☆ ★★★★★
In-Place Update Yes Yes
Free for commercial use Yes Yes
Sorts Yes Yes
Capped Collections No ?
Tuneable write concerns Yes Yes
Read preferences Yes Yes
Open Source Yes Yes
XInclude Support No ?
XQuery Support No ?
Global Assembly Cache Yes ?
Triggers Yes ?
Perfomance ★★★★★ ★★★★★
Cloud-enabled Yes ?
Minimal memory footprint 512 MB ?
Materialized Views Yes ?
Spring Data Support Yes ?
Geospatial No ?
Server Side Java Script No ?
JSON Yes Yes
Flexible Table(Schema) Yes Yes
Geo-distributed Yes Yes
Max rows in query result 1 000 000 ?
ORM Join Support No ?
Re-Reduce Yes Yes
Clustering over WAN Yes ?
Fully Distributed Yes ?
Stored Procedure Yes ?
Concurrency Yes ?
Auto-Sharding Yes ?
Native Adsense Integration No ?
Contributors 185 ?
Aggregators Yes ?
Free edition Yes Yes
SQL Queries Yes ?
Maximum Database Size 1 PB ?
memcached protocol No ?
Monitoring UI Yes Yes
CLI` Yes ?
Abstracts complexity of UI Components No ?
Apache Spark Integration Yes ?
API ? Good
Siblings ? Yes
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Apache Riak
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