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Apache Accumulo vs. eXtremeDB

Apache Accumulo eXtremeDB + Add column
Category
Preference (43% global votes) (47% global votes)
Website accumulo.​apache.​org www.​mcobject.​com
License
Design
Database model
Data storage
Embeddable No Yes
Features
Query language
Data types
Conditional entry updates Yes Yes
Map and reduce Yes No
Unicode Yes Yes
TTL for entries Yes Yes
Compression Yes Yes
Integrity
Integrity model
Atomicity Conditional Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions No Yes
Referential integrity No No
Revision control Yes Yes
Locking model
Indexing
Secondary Indexes Yes Yes
Composite keys Yes Yes
Full text search No Yes
Geospatial Indexes No Yes
Graph support Yes Conditional
Graph type ?
Distribution
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding Yes Yes
Shared nothing architecture Yes Yes
Restrictions
Value size max. 1 EB 100 TB
System requirements
Operating system
Native driver
Memory minimum 8 GB 200 kB
Architecture
Programming language
More
Description A distributed database featuring cell level security and server-side computation Memory based database
Brand
Multi-user system Yes Yes
Extension/Plug-in Yes ?
Database
Multilingual content Yes Yes
Price rating ★★★★★ ★★★☆☆
Multiple projects Yes ?
Standard compliance Yes Yes
Software distribution
Release Date September 2011 12ᵗʰ September 2001
Documentation level ★★★☆☆ ★★★★☆
RESTful No No
Distributed Counter Yes ?
Free to use Yes No
Active Yes Yes
Database Connection Pooling Yes Yes
Real time analytics Yes Yes
Community Driven Basic No
API Basic ?
Log Yes Yes
Implementation flexibility (50% global votes) (44% global votes)
Download accumulo.​apache.​org/​downloads/​ ?
Level of access authorization ?
Query Cache Yes Yes
Ease of use ★★★☆☆ ★★★★☆
Free for commercial use Yes No
Sorts Yes Yes
Open Source Yes No
Perfomance ★★★★☆ ★★★★★
Server Side Java Script No No
JSON Yes Yes
Flexible Table(Schema) No Yes
Fully Distributed Yes ?
Stored Procedure No No
Concurrency Yes Yes
Auto-Sharding Yes Yes
Free edition Yes ?
Kafka Integration Yes ?
SQL Queries No ?
420 Friendly? Yes ?
Recursive queries No ?
CLI` Yes Yes
Hadoop Integration Yes ?
WYSIWYG-Editor ? No
Object-Relational Mapping (ORM) ? No
3D Screen ? No
Web interface ? Yes
Data encryption ? Yes
2 Letter Country Code ? US
Cloud platform support ?
Online backup ? Yes
Partial Index ? Yes
Backup functionality ? Excellent
In-Place Update ? Yes
Read preferences ? Yes
XInclude Support ? Yes
Triggers ? Yes
Cross Domain Testing ? Yes
Predictive Analytics ? No
Geospatial ? Yes
Text Analytics ? Yes
OData ? Yes
HTML5 Charts ? Yes
Decision Tables ? Yes
Monitoring UI ? Yes
Online backup (no locking) ? Yes
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Apache Accumulo eXtremeDB
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