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Apache Accumulo vs. Cassandra

Apache Accumulo Cassandra + Add column
Category
Preference (43% global votes) (0% global votes)
Website accumulo.​apache.​org cassandra.​apache.​org
License
Design
Database model
Data storage
Embeddable No Yes
Features
Query language
Data types
Conditional entry updates Yes Yes
Map and reduce Yes Yes
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 No
Geospatial Indexes No No
Graph support Yes Yes
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 2 GB
System requirements
Operating system
Native driver
Memory minimum 8 GB 8 GB
Architecture
Programming language
More
Description A distributed database featuring cell level security and server-side computation Second Generation Distributed Database
Brand
Multi-user system Yes Yes
Extension/Plug-in Yes Yes
Database
Multilingual content Yes ?
Price rating ★★★★★ ★★☆☆☆
Multiple projects Yes ?
Standard compliance Yes Yes
Software distribution ?
Release Date September 2011 ?
Documentation level ★★★☆☆ ★★★★☆
RESTful No ?
Distributed Counter Yes ?
Free to use Yes Yes
Active Yes Yes
Database Connection Pooling Yes ?
Real time analytics Yes ?
Community Driven Basic ?
API Basic ?
Log Yes ?
Implementation flexibility (50% global votes) (0% global votes)
Download accumulo.​apache.​org/​downloads/​ ?
Level of access authorization ?
Query Cache Yes ?
Ease of use ★★★☆☆ ?
Free for commercial use Yes ?
Sorts Yes ?
Open Source Yes Yes
Perfomance ★★★★☆ ?
Server Side Java Script No ?
JSON Yes ?
Flexible Table(Schema) No ?
Fully Distributed Yes ?
Stored Procedure No ?
Concurrency Yes ?
Auto-Sharding Yes ?
Free edition Yes ?
Kafka Integration Yes ?
SQL Queries No ?
420 Friendly? Yes ?
Recursive queries No ?
CLI` Yes ?
Hadoop Integration Yes ?
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Apache Accumulo Cassandra
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