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LMDB vs. RocksDB

LMDB RocksDB + Add column
Category
Preference 75% votes 25% votes
Website symas.​com/​mdb rocksdb.​org
License
Design
Database model
Data storage
Embeddable Yes Yes
Features
Query language
Data types ?
Conditional entry updates No ?
Map and reduce No Yes
Unicode No ?
TTL for entries No Yes
Compression No Yes
Integrity
Integrity model ?
Atomicity Yes Yes
Consistency Yes ?
Isolation Yes ?
Durability (data storage) Yes No
Transactions Yes ?
Referential integrity No ?
Revision control No ?
Locking model ?
Indexing
Secondary Indexes No Yes
Composite keys No ?
Full text search No ?
Geospatial Indexes No ?
Graph support No ?
Distribution
Horizontal scalable No No
Replication No No
Replication mode ?
Sharding No ?
Restrictions
Value size max. 4 GB ?
System requirements
Operating system ?
Native driver ?
Memory minimum 64 kB ?
Architecture
Programming language ?
More
Description Memory-Mapped, Copy-on-Write ?
Brand ?
Multi-user system Yes No
Database ?
Price rating ★★★★★ ?
Software distribution ?
Release Date September 2011 ?
Documentation level ★★★★★ ?
Lines of code 7 k ?
Free to use Yes Yes
Active Yes Yes
Real time analytics Yes ?
Creation Date 2009 ?
Community Driven Good ?
API Basic ?
Online backup Yes ?
Function Based Index No ?
Implementation flexibility (50% global votes) (0% global votes)
Download gitorious.​org/​mdb ?
Backup functionality Good ?
Query Cache No ?
Ease of use ★★★★☆ ?
In-Place Update Yes ?
Free for commercial use Yes Yes
Sorts Yes ?
Read preferences No ?
Open Source Yes Yes
Maximum size 9.2 EB ?
Perfomance ★★★★★ ?
JSON Yes ?
Batch Loading Yes ?
Corruption Resistant Yes ?
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LMDB RocksDB
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