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MemSQL vs. VoltDB

MemSQL VoltDB + Add column
Category
Preference 44% votes 56% votes
Website www.​memsql.​com www.​voltdb.​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 No
Compression Yes No
Integrity
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes Yes
Referential integrity Yes Yes
Revision control Yes Yes
Locking model
Indexing
Secondary Indexes Yes Yes
Composite keys Yes Yes
Full text search No No
Geospatial Indexes Yes Yes
Graph support No No
Graph type ?
Distribution
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding Yes Yes
Shared nothing architecture Yes Yes
Restrictions
Value size max. 1 000 EB ?
System requirements
Operating system
Native driver
Memory recommended 32 GB ?
Memory minimum 16 GB 4 GB
Architecture
Programming language
More
Description In-Memory Database used for real-time analytics. 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.
Multi-user system Yes Yes
Database
Price rating ★★★★☆ ★★★★☆
Standard compliance Yes Yes
Software distribution
Object-Relational Mapping (ORM) Yes Yes
Release Date 18ᵗʰ June 2012 April 2010
Documentation level ★★★★☆ ★★★★★
Distributed Counter Yes No
Free to use Conditional Yes
Active Yes Yes
Database Connection Pooling Yes Yes
Real time analytics Yes Yes
Web interface Yes Yes
2 Letter Country Code US US
Cloud platform support
Online backup Yes Yes
Function Based Index Yes Yes
Log Yes Yes
Implementation flexibility (100% global votes) (100% global votes)
Download www.​memsql.​com/​#download voltdb.​com/​download/​software
Backup functionality Good Excellent
Query Cache Yes Yes
Ease of use ★★★★☆ ★★★★☆
Free for commercial use No Yes
Sorts Yes Yes
Open Source No Yes
Perfomance ★★★★☆ ★★★★★
Materialized Views No Yes
Spring Data Support Yes Yes
Predictive Analytics Yes Yes
Geospatial Yes ?
JSON Yes Yes
Stored Procedure Yes Yes
Concurrency Yes Yes
24/7 support Yes Yes
Free edition Yes Yes
Kafka Integration Yes Yes
SQL Queries Yes Yes
3D Support Yes ?
Minimum Java version 1.7 1.7
Multi-statement Transactions Yes Yes
Does your mom understand it No ?
Monitoring UI Yes ?
CLI` Yes ?
Columner Yes No
:( No ?
Apache Spark Integration Yes ?
; drop table users; Yes ?
Redis API No ?
Compute Grid No ?
Incremental Backup No ?
 Exportar a Excel las personas relacionas con la solicitud No ?
Bluetooth ? No
Accelerometer sensor ? No
Multilingual content ? Yes
RESTful ? Yes
Creation Date ? 2012
Community Driven ? Basic
API ? Good
Admin Generator ? Yes
Partial Index ? Yes
Key length max ? 1 000 000
Geographic Replication ? Yes
In-Place Update ? Yes
Tuneable write concerns ? Yes
Event Driven Architecture ? Yes
Op/s ? 15 000 000
Maven support ? Yes
Triggers ? No
Pipeline Aggregation ? Yes
Flexible Table(Schema) ? Yes
Geo-distributed ? Yes
Clustering over WAN ? No
Second Level Caching ? No
Auto-Sharding ? Yes
Попаболь ? Yes
Contributors ? 40
Aggregators ? Yes
Near cache ? No
Continuous query ? Yes
Distributed code Deployment ? Yes
Dynamic code deployment ? Yes
DB Delta Server ? No
Rolling Upgrade ? Yes
Storm Integration ? Yes
Offheap Memory ? Yes
CEP Streaming ? Yes
Atomic Persistence ? Yes
User and Group role based security model ? Yes
Average Latency (milliseconds)) ? 1
Maximum Database Size ? 25 TB
Monitoring and Management ?
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MemSQL VoltDB
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