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LMDB vs. Apache Hadoop

LMDB Apache Hadoop + Add column
Description Memory-Mapped, Copy-on-Write Huge Data Management
Multi-user system Yes Yes
Memory minimum 64 kB 10 EB
Operating system
Programming language
Website symas.​com/​mdb hadoop.​apache.​org
Database model
Query language
Transactions Yes No
Unicode No Yes
Referential integrity No No
Price rating ★★★★★ ★★★★☆
Sharding No Yes
Replication No Yes
Map and reduce No Yes
Revision control No Yes
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes No
Durability (data storage) Yes Yes
Horizontal scalable No Yes
Integrity model
Software distribution
Full text search No No
Preference (57% global votes) (28% global votes)
Release Date September 2011 September 2007
Documentation level ★★★★★ ★★★★☆
Lines of code 7 k ?
TTL for entries No Yes
Value size max. 4 GB 10 PB
Conditional entry updates No Yes
Composite keys No Yes
Free to use Yes Yes
Active Yes Yes
Compression No Yes
Real time analytics Yes No
Creation Date 2009 ?
Community Driven Good ?
API Basic ?
Secondary Indexes No Yes
Graph support No Conditional
Embeddable Yes Yes
Geospatial Indexes No No
Locking model ?
Data storage
Replication mode
Native driver
Online backup Yes Yes
Data types
Function Based Index No No
Implementation flexibility (50% global votes) (17% global votes)
Download gitorious.​org/​mdb hadoop.​apache.​org/​releases.​html
Backup functionality Good Good
Query Cache No Yes
Ease of use ★★★★☆ ★★★★☆
In-Place Update Yes No
Free for commercial use Yes Yes
Sorts Yes Yes
Read preferences No ?
Open Source Yes Yes
Maximum size 9.2 EB ?
Perfomance ★★★★★ ★★★★☆
JSON Yes Yes
Batch Loading Yes ?
Corruption Resistant Yes ?
Standard compliance ? No
WSDL ? Yes
Shared nothing architecture ? Yes
Web interface ? Yes
Partial Index ? No
Log ? Yes
Capped Collections ? Yes
Tuneable write concerns ? Yes
Geo-distributed ? No
Max rows in query result ? 9 999 999 999
Stored Procedure ? Yes
24/7 support ? No
Free edition ? Yes
SQL Queries ? Yes
CLI` ? Yes
¿Es una Cagada? ? No
Hadoop Integration ? Yes
Apache Spark Integration ? Yes
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LMDB Apache Hadoop
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