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Apache Hadoop vs. eXtremeDB

Apache Hadoop eXtremeDB + Add column
Description Huge Data Management Memory based database
Multi-user system Yes Yes
Memory minimum 10 EB 200 kB
Operating system
Programming language
Website hadoop.​apache.​org www.​mcobject.​com
Database model
Query language
Transactions No Yes
Unicode Yes Yes
Referential integrity No No
Price rating ★★★★☆ ★★★☆☆
Standard compliance No Yes
Sharding Yes Yes
Replication Yes Yes
Map and reduce Yes No
Revision control Yes Yes
Atomicity Yes Yes
Consistency Yes Yes
Isolation No Yes
Durability (data storage) Yes Yes
Horizontal scalable Yes Yes
Integrity model
Software distribution
Full text search No Yes
Preference 50% votes 50% votes
Release Date September 2007 12ᵗʰ September 2001
Documentation level ★★★★☆ ★★★★☆
TTL for entries Yes Yes
Value size max. 10 PB 100 TB
Conditional entry updates Yes Yes
Composite keys Yes Yes
Free to use Yes No
Active Yes Yes
Compression Yes Yes
Real time analytics No Yes
WSDL Yes ?
Shared nothing architecture Yes Yes
Web interface Yes Yes
Secondary Indexes Yes Yes
Graph support Conditional Conditional
Embeddable Yes Yes
Geospatial Indexes No Yes
Data storage
Replication mode
Native driver
Online backup Yes Yes
Data types
Partial Index No Yes
Function Based Index No ?
Log Yes Yes
Implementation flexibility (17% global votes) (44% global votes)
Download hadoop.​apache.​org/​releases.​html ?
Backup functionality Good Excellent
Query Cache Yes Yes
Ease of use ★★★★☆ ★★★★☆
In-Place Update No Yes
Free for commercial use Yes No
Sorts Yes Yes
Capped Collections Yes ?
Tuneable write concerns Yes ?
Open Source Yes No
Perfomance ★★★★☆ ★★★★★
JSON Yes Yes
Geo-distributed No ?
Max rows in query result 9 999 999 999 ?
Stored Procedure Yes No
24/7 support No ?
Free edition Yes ?
SQL Queries Yes ?
CLI` Yes Yes
¿Es una Cagada? No ?
Hadoop Integration Yes ?
Apache Spark Integration Yes ?
Multilingual content ? Yes
WYSIWYG-Editor ? No
Object-Relational Mapping (ORM) ? No
3D Screen ? No
RESTful ? No
Database Connection Pooling ? Yes
Community Driven ? No
Data encryption ? Yes
2 Letter Country Code ? US
Locking model ?
Cloud platform support ?
Read preferences ? Yes
XInclude Support ? Yes
Triggers ? Yes
Cross Domain Testing ? Yes
Predictive Analytics ? No
Geospatial ? Yes
Text Analytics ? Yes
Server Side Java Script ? No
OData ? Yes
HTML5 Charts ? Yes
Decision Tables ? Yes
Flexible Table(Schema) ? Yes
Concurrency ? Yes
Auto-Sharding ? Yes
Monitoring UI ? Yes
Online backup (no locking) ? Yes
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Apache Hadoop eXtremeDB
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