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LevelDB vs. Titan

LevelDB Titan + Add column
Preference (42% global votes) (46% global votes)
Website www.​oracle.​com/​database/​b…b/​index.​html hbase.​apache.​org
Database model
Data storage
Embeddable Yes No
Query language
Data types ?
Conditional entry updates Yes Yes
Map and reduce No Yes
Unicode Yes Yes
TTL for entries No Yes
Compression Yes Yes
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes No
Referential integrity No Yes
Revision control ? Yes
Locking model ?
Secondary Indexes Yes No
Composite keys Yes Yes
Full text search Yes No
Geospatial Indexes No Yes
Graph support No No
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding No Yes
Shared nothing architecture ? Yes
Value size max. 4 GB 2 TB
System requirements
Operating system
Native driver
Programming language
Description key/value database A distributed database based on Hadoop
Multi-user system Yes Yes
Documentation level ★★★★☆ ★★★★☆
Lines of code 1 748 k ?
Distributed Counter Yes Yes
Free to use Yes Yes
Active Yes Yes
Creation Date 1994 ?
Community Driven Good ?
Log Yes Yes
Download www.​oracle.​com/​technetwor…iteId=ocomen www.​apache.​org/​dyn/​closer.​cgi/​hbase/​
Free for commercial use No Yes
Sorts Yes No
Corruption Resistant No ?
Standard compliance ? No
Software distribution ?
Release Date ? 2ⁿᵈ February 2009
RESTful ? Yes
Database Connection Pooling ? Yes
Real time analytics ? Conditional
Web interface ? Yes
API ? Good
Online backup ? No
Partial Index ? No
Function Based Index ? No
Level of access authorization ?
Backup functionality ? Basic
Query Cache ? No
Ease of use ? ★★★★☆
In-Place Update ? No
Capped Collections ? No
Tuneable write concerns ? Yes
Read preferences ? Yes
Open Source ? 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
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LevelDB Titan
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