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Titan vs. LMDB

Titan LMDB + Add column
Preference (47% global votes) (57% global votes)
Website hbase.​apache.​org symas.​com/​mdb
Database model
Data storage
Embeddable No Yes
Query language
Data types
Conditional entry updates Yes No
Map and reduce Yes No
Unicode Yes No
TTL for entries Yes No
Compression Yes No
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions No Yes
Referential integrity Yes No
Revision control Yes No
Locking model
Secondary Indexes No No
Composite keys Yes No
Full text search No No
Geospatial Indexes Yes No
Graph support No No
Horizontal scalable Yes No
Replication Yes No
Replication mode
Sharding Yes No
Shared nothing architecture Yes ?
Value size max. 2 TB 4 GB
System requirements
Operating system
Native driver
Memory minimum ? 64 kB
Programming language
Description A distributed database based on Hadoop Memory-Mapped, Copy-on-Write
Multi-user system Yes Yes
Standard compliance No ?
Software distribution
Release Date 2ⁿᵈ February 2009 September 2011
Documentation level ★★★★☆ ★★★★★
RESTful Yes ?
Distributed Counter Yes ?
Free to use Yes Yes
Active Yes Yes
Database Connection Pooling Yes ?
Real time analytics Conditional Yes
Web interface Yes ?
API Good Basic
Online backup No Yes
Partial Index No ?
Function Based Index No No
Log Yes ?
Download www.​apache.​org/​dyn/​closer.​cgi/​hbase/​ gitorious.​org/​mdb
Level of access authorization ?
Backup functionality Basic Good
Query Cache No No
Ease of use ★★★★☆ ★★★★☆
In-Place Update No Yes
Free for commercial use Yes Yes
Sorts No Yes
Capped Collections No ?
Tuneable write concerns Yes ?
Read preferences Yes No
Open Source Yes Yes
Triggers Yes ?
Server side custom code Yes ?
Perfomance ★★★★☆ ★★★★★
Pipeline Aggregation Yes ?
Spring Data Support Yes ?
Re-Reduce Yes ?
Stored Procedure Yes ?
Auto-Sharding Yes ?
Free edition Yes ?
420 Friendly? No ?
Database ?
Price rating ? ★★★★★
Lines of code ? 7 k
Creation Date ? 2009
Community Driven ? Good
Implementation flexibility (0% global votes) (50% global votes)
Maximum size ? 9.2 EB
JSON ? Yes
Batch Loading ? Yes
Corruption Resistant ? Yes
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Titan LMDB
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