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VoltDB vs. Couchbase

VoltDB Couchbase + Add column
Category
Preference 50% votes 50% votes
Website www.​voltdb.​com www.​couchbase.​com
License
Design
Database model
Data storage
Embeddable Yes Yes
Features
Query language
Data types
Conditional entry updates Yes Yes
Map and reduce Yes Yes
Unicode Yes Yes
TTL for entries No Yes
Compression No Yes
Integrity
Integrity model
Atomicity Yes No
Consistency Yes Yes
Isolation Yes No
Durability (data storage) Yes Yes
Transactions Yes No
Referential integrity Yes No
Revision control Yes Yes
Locking model
Indexing
Secondary Indexes Yes Yes
Composite keys Yes Yes
Full text search No Yes
Geospatial Indexes Yes Yes
Graph support No No
Distribution
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding Yes Yes
Shared nothing architecture Yes Yes
Restrictions
Value size max. ? 20 MB
System requirements
Operating system
Native driver
Memory minimum 4 GB 4 GB
Architecture
Programming language
More
Description VoltDB is an ACID-compliant OLTP database that can process millions of transactions per second on commodity servers that are loosely connected over a fast network. It is a highly scalable alternative to legacy SQL databases such as Oracle and MySQL. VoltDB is accessed using SQL, the industry standard data language, and is also accessible using popular key-value and document-style interfaces. High performance key-value/document store with very flexible,Fast Global Secondary Indexes RAM
Multi-user system Yes Yes
Bluetooth No ?
Accelerometer sensor No ?
Database
Multilingual content Yes Yes
Price rating ★★★★☆ ★★★★☆
Standard compliance Yes Yes
Software distribution
Object-Relational Mapping (ORM) Yes Yes
Documentation level ★★★★★ ★★★★☆
RESTful Yes Yes
Distributed Counter No Yes
Free to use Yes Yes
Active Yes Yes
Database Connection Pooling Yes Yes
Real time analytics Yes Yes
Creation Date 2012 ?
Community Driven Basic Good
Web interface Yes Yes
API Good Good
2 Letter Country Code US ?
Cloud platform support
Online backup Yes Yes
Admin Generator Yes ?
Partial Index Yes ?
Function Based Index Yes Yes
Key length max 1 000 000 250
Geographic Replication Yes Yes
Log Yes Yes
Implementation flexibility (100% global votes) (57% global votes)
Download voltdb.​com/​download/​software www.​couchbase.​com/​download
Backup functionality Excellent Good
Query Cache Yes Yes
Ease of use ★★★★☆ ★★★★★
In-Place Update Yes Yes
Free for commercial use Yes Yes
Sorts Yes Yes
Tuneable write concerns Yes Yes
Event Driven Architecture Yes ?
Open Source Yes Yes
Op/s 15 000 000 159 997
Maven support Yes Yes
Triggers No No
Perfomance ★★★★★ ★★★★☆
Materialized Views Yes Yes
Pipeline Aggregation Yes ?
Spring Data Support Yes Yes
Predictive Analytics Yes ?
JSON Yes Yes
Flexible Table(Schema) Yes Yes
Geo-distributed Yes Yes
Clustering over WAN No Yes
Stored Procedure Yes No
Second Level Caching No ?
Concurrency Yes Yes
Auto-Sharding Yes Yes
Попаболь Yes ?
Contributors 40 4
Aggregators Yes ?
Near cache No Yes
Continuous query Yes ?
24/7 support Yes Yes
Free edition Yes Yes
Distributed code Deployment Yes ?
Dynamic code deployment Yes ?
DB Delta Server No ?
Rolling Upgrade Yes ?
Kafka Integration Yes Yes
Storm Integration Yes ?
Offheap Memory Yes ?
CEP Streaming Yes ?
SQL Queries Yes Yes
Atomic Persistence Yes ?
User and Group role based security model Yes ?
Minimum Java version 1.7 ?
Average Latency (milliseconds)) 1 ?
Multi-statement Transactions Yes Yes
Columner No ?
Monitoring and Management ?
Brand ?
Extension/Plug-in ? Yes
WYSIWYG-Editor ? Yes
Release Date ? February 2011
WSDL ? No
Data encryption ? Yes
Level of access authorization ?
Read preferences ? Yes
Cross Domain Testing ? Yes
Geospatial ? Yes
Server Side Java Script ? Yes
Ajax ? Yes
Max rows in query result ? 100 000
ORM Join Support ? Yes
Re-Reduce ? Yes
Fully Distributed ? Yes
In business since ? 2009
memcached protocol ? Yes
Monitoring UI ? Yes
CLI` ? Yes
command-line console ? Yes
Hadoop Integration ? Yes
Apache Spark Integration ? Yes
Point In Time Recovery ? Yes
{{alert('xss');}} ?
Incremental Backup ? Yes
Does your boss understand it? ? Yes
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VoltDB Couchbase
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