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DBMS > BoltDB vs. Druid

System Properties Comparison BoltDB vs. Druid

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Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonDruid  Xexclude from comparison
DescriptionAn embedded key-value store for Go.Open-source analytics data store designed for OLAP queries on timeseries data
Primary database modelKey-value storeRelational DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.62
Rank#194  Overall
#34  Key-value stores
Score1.95
Rank#119  Overall
#57  Relational DBMS
#8  Time Series DBMS
Websitegithub.com/­boltdb/­boltdruid.apache.org
Technical documentationdruid.apache.org/­docs/­latest/­design
DeveloperMetamarkets Group and contributors
Initial release20132012
License infoCommercial or Open SourceOpen Source infoMIT LicenseOpen Source infoApache license v2
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoJava
Server operating systemsBSD
Linux
OS X
Solaris
Windows
Linux
OS X
Unix
Data schemeschema-freeyes infoschema-less columns are supported
Typing infopredefined data types such as float or datenoyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nono
Secondary indexesnoyes
SQL infoSupport of SQLnoSQL support via Apache Calcite adapter
APIs and other access methodsJSON over HTTP
Supported programming languagesGoClojure
JavaScript
PHP
Python
R
Ruby
Scala
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, via HDFS, S3 or other storage engines
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlnono infoavailable via extensions

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More resources
BoltDBDruid
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