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DBMS > BoltDB vs. Impala vs. PouchDB vs. RocksDB vs. Splunk

System Properties Comparison BoltDB vs. Impala vs. PouchDB vs. RocksDB vs. Splunk

Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonImpala  Xexclude from comparisonPouchDB  Xexclude from comparisonRocksDB  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionAn embedded key-value store for Go.Analytic DBMS for HadoopJavaScript DBMS with an API inspired by CouchDBEmbeddable persistent key-value store optimized for fast storage (flash and RAM)Analytics Platform for Big Data
Primary database modelKey-value storeRelational DBMSDocument storeKey-value storeSearch engine
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#206  Overall
#35  Key-value stores
Score15.71
Rank#36  Overall
#22  Relational DBMS
Score2.96
Rank#88  Overall
#16  Document stores
Score2.67
Rank#96  Overall
#17  Key-value stores
Score88.77
Rank#12  Overall
#2  Search engines
Websitegithub.com/­boltdb/­boltwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.htmlpouchdb.comrocksdb.orgwww.splunk.com
Technical documentationwww.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.htmlpouchdb.com/­guidesgithub.com/­facebook/­rocksdb/­wikidocs.splunk.com/­Documentation/­Splunk
DeveloperClouderaApache Software FoundationFacebook, Inc.Splunk Inc.
Initial release20132013201220132003
Current release3.3.0, August 20197.1.1, June 20196.5.3, January 2020
License infoCommercial or Open SourceOpen Source infoMIT LicenseOpen Source infoApache Version 2Open SourceOpen Source infoBSDcommercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++JavaScriptC++
Server operating systemsBSD
Linux
OS X
Solaris
Windows
Linuxserver-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Solaris
Windows
Data schemeschema-freeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyesnonoyes
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.nonononoyes
Secondary indexesnoyesyes infovia viewsnoyes
SQL infoSupport of SQLnoSQL-like DML and DDL statementsnonono infoSplunk Search Processing Language for search commands
APIs and other access methodsJDBC
ODBC
HTTP REST infoonly for PouchDB Server
JavaScript API
C++ API
Java API
HTTP REST
Supported programming languagesGoAll languages supporting JDBC/ODBCJavaScriptC++
Java
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoyes infouser defined functions and integration of map-reduceView functions in JavaScriptnoyes
Triggersnonoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding infowith a proxy-based framework, named couchdb-loungenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factorMaster-master replication infoalso with CouchDB databases
Master-slave replication infoalso with CouchDB databases
noneMaster-master replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoquery execution via MapReduceyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyEventual ConsistencyEventual Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnonoyesno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using IndexedDB, WebSQL or LevelDB as backendyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyesno
User concepts infoAccess controlnoAccess rights for users, groups and roles infobased on Apache Sentry and KerberosnonoAccess rights for users and roles

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More resources
BoltDBImpalaPouchDBRocksDBSplunk
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