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LMDB vs. Couchbase

LMDB Couchbase + Add column
Category
Preference (57% global votes) (55% global votes)
Website symas.​com/​mdb www.​couchbase.​com
License
Design
Database model
Data storage
Embeddable Yes Yes
Features
Query language
Data types
Conditional entry updates No Yes
Map and reduce No Yes
Unicode No 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 No No
Revision control No Yes
Locking model
Indexing
Secondary Indexes No Yes
Composite keys No Yes
Full text search No Yes
Geospatial Indexes No Yes
Graph support No No
Distribution
Horizontal scalable No Yes
Replication No Yes
Replication mode
Sharding No Yes
Shared nothing architecture ? Yes
Restrictions
Value size max. 4 GB 20 MB
System requirements
Operating system
Native driver
Memory minimum 64 kB 4 GB
Architecture
Programming language
More
Description Memory-Mapped, Copy-on-Write High performance key-value/document store with very flexible,Fast Global Secondary Indexes RAM
Brand
Multi-user system Yes Yes
Database
Price rating ★★★★★ ★★★★☆
Software distribution
Release Date September 2011 February 2011
Documentation level ★★★★★ ★★★★☆
Lines of code 7 k ?
Free to use Yes Yes
Active Yes Yes
Real time analytics Yes Yes
Creation Date 2009 ?
Community Driven Good Good
API Basic Good
Online backup Yes Yes
Function Based Index No Yes
Implementation flexibility (50% global votes) (57% global votes)
Download gitorious.​org/​mdb www.​couchbase.​com/​download
Backup functionality Good Good
Query Cache No Yes
Ease of use ★★★★☆ ★★★★★
In-Place Update Yes Yes
Free for commercial use Yes Yes
Sorts Yes Yes
Read preferences No Yes
Open Source Yes Yes
Maximum size 9.2 EB ?
Perfomance ★★★★★ ★★★★☆
JSON Yes Yes
Batch Loading Yes ?
Corruption Resistant Yes ?
Extension/Plug-in ? Yes
Multilingual content ? Yes
WYSIWYG-Editor ? Yes
Standard compliance ? Yes
Object-Relational Mapping (ORM) ? Yes
RESTful ? Yes
Distributed Counter ? Yes
Database Connection Pooling ? Yes
WSDL ? No
Web interface ? Yes
Data encryption ? Yes
Cloud platform support ?
Key length max ? 250
Geographic Replication ? Yes
Log ? Yes
Level of access authorization ?
Tuneable write concerns ? Yes
Op/s ? 159 997
Maven support ? Yes
Triggers ? No
Cross Domain Testing ? Yes
Materialized Views ? Yes
Spring Data Support ? Yes
Geospatial ? Yes
Server Side Java Script ? Yes
Flexible Table(Schema) ? Yes
Geo-distributed ? Yes
Ajax ? Yes
Max rows in query result ? 100 000
ORM Join Support ? Yes
Re-Reduce ? Yes
Clustering over WAN ? Yes
Fully Distributed ? Yes
Stored Procedure ? No
Concurrency ? Yes
Auto-Sharding ? Yes
Contributors ? 4
Near cache ? Yes
In business since ? 2009
24/7 support ? Yes
Free edition ? Yes
Kafka Integration ? Yes
SQL Queries ? Yes
Multi-statement Transactions ? Yes
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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LMDB Couchbase
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