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VoltDB vs. LMDB

VoltDB LMDB + Add column
Category
Preference (48% global votes) (57% global votes)
Website www.​voltdb.​com symas.​com/​mdb
License
Design
Database model
Data storage
Embeddable Yes Yes
Features
Query language
Data types
Conditional entry updates Yes No
Map and reduce Yes No
Unicode Yes No
TTL for entries No No
Compression No No
Integrity
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes Yes
Referential integrity Yes No
Revision control Yes No
Locking model
Indexing
Secondary Indexes Yes No
Composite keys Yes No
Full text search No No
Geospatial Indexes Yes No
Graph support No No
Distribution
Horizontal scalable Yes No
Replication Yes No
Replication mode
Sharding Yes No
Shared nothing architecture Yes ?
Restrictions
Value size max. ? 4 GB
System requirements
Operating system
Native driver
Memory minimum 4 GB 64 kB
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. Memory-Mapped, Copy-on-Write
Multi-user system Yes Yes
Bluetooth No ?
Accelerometer sensor No ?
Database
Multilingual content Yes ?
Price rating ★★★★☆ ★★★★★
Standard compliance Yes ?
Software distribution
Object-Relational Mapping (ORM) Yes ?
Documentation level ★★★★★ ★★★★★
RESTful Yes ?
Distributed Counter No ?
Free to use Yes Yes
Active Yes Yes
Database Connection Pooling Yes ?
Real time analytics Yes Yes
Creation Date 2012 2009
Community Driven Basic Good
Web interface Yes ?
API Good Basic
2 Letter Country Code US ?
Cloud platform support ?
Online backup Yes Yes
Admin Generator Yes ?
Partial Index Yes ?
Function Based Index Yes No
Key length max 1 000 000 ?
Geographic Replication Yes ?
Log Yes ?
Implementation flexibility (100% global votes) (50% global votes)
Download voltdb.​com/​download/​software gitorious.​org/​mdb
Backup functionality Excellent Good
Query Cache Yes No
Ease of use ★★★★☆ ★★★★☆
In-Place Update Yes Yes
Free for commercial use Yes Yes
Sorts Yes Yes
Tuneable write concerns Yes ?
Event Driven Architecture Yes ?
Open Source Yes Yes
Op/s 15 000 000 ?
Maven support Yes ?
Triggers No ?
Perfomance ★★★★★ ★★★★★
Materialized Views Yes ?
Pipeline Aggregation Yes ?
Spring Data Support Yes ?
Predictive Analytics Yes ?
JSON Yes Yes
Flexible Table(Schema) Yes ?
Geo-distributed Yes ?
Clustering over WAN No ?
Stored Procedure Yes ?
Second Level Caching No ?
Concurrency Yes ?
Auto-Sharding Yes ?
Попаболь Yes ?
Contributors 40 ?
Aggregators Yes ?
Near cache No ?
Continuous query Yes ?
24/7 support Yes ?
Free edition Yes ?
Distributed code Deployment Yes ?
Dynamic code deployment Yes ?
DB Delta Server No ?
Rolling Upgrade Yes ?
Kafka Integration Yes ?
Storm Integration Yes ?
Offheap Memory Yes ?
CEP Streaming Yes ?
SQL Queries 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 ?
Columner No ?
Monitoring and Management ?
Brand ?
Release Date ? September 2011
Lines of code ? 7 k
Read preferences ? No
Maximum size ? 9.2 EB
Batch Loading ? Yes
Corruption Resistant ? Yes
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VoltDB LMDB
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