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LMDB vs. caché

LMDB caché + Add column
Preference (57% global votes) (56% global votes)
Website symas.​com/​mdb www.​intersystems.​com/​cache/​
Database model
Data storage
Embeddable Yes Yes
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 model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes Yes
Referential integrity No Yes
Revision control No Yes
Locking model
Secondary Indexes No Yes
Composite keys No Yes
Full text search No Yes
Geospatial Indexes No No
Graph support No Conditional
Horizontal scalable No Yes
Replication No Yes
Replication mode
Sharding No Yes
Shared nothing architecture ? No
Value size max. 4 GB 3.64 TB
System requirements
Operating system
Native driver
Memory minimum 64 kB 512 MB
Programming language
Description Memory-Mapped, Copy-on-Write Multimodel
Multi-user system Yes Yes
Price rating ★★★★★ ★★★☆☆
Software distribution
Release Date September 2011 2017
Documentation level ★★★★★ ★★★★☆
Lines of code 7 k ?
Free to use Yes Conditional
Active Yes Yes
Real time analytics Yes Yes
Creation Date 2009 1997
Community Driven Good No
API Basic Good
Online backup Yes Yes
Function Based Index No ?
Implementation flexibility (50% global votes) (75% global votes)
Download gitorious.​org/​mdb www.​intersystems.​com/​cach…s/​index.​html
Backup functionality Good Good
Query Cache No Yes
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 32 TB
Perfomance ★★★★★ ★★★★★
JSON Yes Yes
Batch Loading Yes ?
Corruption Resistant Yes ?
Bluetooth ? No
Accelerometer sensor ? Yes
Extension/Plug-in ? Yes
Multiple projects ? Yes
Standard compliance ? Yes
Adobe Flash Support ? Yes
Object-Relational Mapping (ORM) ? Yes
RESTful ? Conditional
Database Connection Pooling ? Yes
WSDL ? Yes
Web interface ? Yes
Data encryption ? Yes
Compiled language ? Yes
Color ?
Compiler ? Yes
Key length max ? 511
Log ? Yes
Capped Collections ? No
Tuneable write concerns ? Yes
Bitmap index ? Yes
Triggers ? Yes
Server side custom code ? Yes
Pipeline Aggregation ? No
Spring Data Support ? No
Text Analytics ? Yes
Server Side Java Script ? Yes
HTML5 Charts ? Yes
Flexible Table(Schema) ? Yes
Ajax ? Yes
Max rows in query result ? 2.5
ORM Join Support ? No
Re-Reduce ? No
Stored Procedure ? Yes
Concurrency ? Yes
Auto-Sharding ? Yes
24/7 support ? Yes
SQL Queries ? Yes
User and Group role based security model ? Yes
Multi-statement Transactions ? Yes
Does your mom understand it ? No
Online backup (no locking) ? Yes
CLI` ? Yes
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LMDB caché
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