Create entry

LMDB vs. eXtremeDB IMDS

LMDB eXtremeDB IMDS + Add column
LMDB eXtremeDB In-Memory Database System
Category
Preference (55% global votes) (69% global votes)
Website symas.​com/​mdb www.​mcobject.​com/​extremedbfamily.​shtml
License
Design
Database model
Data storage
Embeddable Yes Yes
Features
Query language
Data types
Conditional entry updates No Yes
Map and reduce No No
Unicode No Yes
TTL for entries No Yes
Compression No Yes
Integrity
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes Yes
Referential integrity No No
Revision control No No
Locking model
Indexing
Secondary Indexes No Yes
Composite keys No Yes
Full text search No No
Geospatial Indexes No Yes
Graph support No Conditional
Distribution
Horizontal scalable No Yes
Replication No Yes
Replication mode
Sharding No Yes
Shared nothing architecture ? Yes
Restrictions
Value size max. 4 GB ?
System requirements
Operating system
Native driver
Memory minimum 64 kB 150 kB
Architecture
Programming language
More
Description Memory-Mapped, Copy-on-Write In-memory database system (IMDS) with options for persistence
Brand
Multi-user system Yes Yes
Database ?
Price rating ★★★★★ ?
Software distribution
Release Date September 2011 September 2001
Documentation level ★★★★★ ★★★☆☆
Lines of code 7 k 206 k
Free to use Yes ?
Active Yes Yes
Real time analytics Yes Yes
Creation Date 2009 2001
Community Driven Good No
API Basic Good
Online backup Yes Yes
Function Based Index No No
Implementation flexibility (50% global votes) (0% global votes)
Download gitorious.​org/​mdb www.​mcobject.​com/​software_eval
Backup functionality Good Good
Query Cache No No
Ease of use ★★★★☆ ★★★☆☆
In-Place Update Yes Yes
Free for commercial use Yes No
Sorts Yes Yes
Read preferences No Yes
Open Source Yes No
Maximum size 9.2 EB ?
Perfomance ★★★★★ ★★★★★
JSON Yes No
Batch Loading Yes ?
Corruption Resistant Yes Yes
Standard compliance ? Yes
Object-Relational Mapping (ORM) ? No
WSDL ? No
XML Aware ? Basic
Cloud platform support ?
Partial Index ? Yes
Log ? Yes
Capped Collections ? Yes
Tuneable write concerns ? Yes
Event Driven Architecture ? Yes
Triggers ? Yes
Pipeline Aggregation ? Yes
Spring Data Support ? No
Geospatial ? Yes
Server Side Java Script ? No
Flexible Table(Schema) ? Yes
Stored Procedure ? Yes
Auto-Sharding ? Yes
Number of systems in production ? 22 000 000
Free edition ? No
memcached protocol ? No
Does your mom understand it ? No
CLI` ? Yes
Trigram index ? Yes
Patricia Trie index ? Yes
kd-tree index ? Yes
More ? Yes
Point In Time Recovery ? Yes
+ Add row ++
LMDB eXtremeDB IMDS
  • vsChart is like a wiki

    Just click a data cell to edit it.
    Take part and share your knowledge with the world.

  • blue
    = good
    darker
    = better
    Legend
  • Embed it on your site
  • Copy & Share
  • Creative Commons License License
  • EnglishGerman (Deutsch)

Write a review or comment

Please login (with Facebook, Twitter or OpenID) to use this form.

Type
Review
Comment