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DBMS > Drizzle vs. OpenTSDB vs. PostGIS vs. Rockset

System Properties Comparison Drizzle vs. OpenTSDB vs. PostGIS vs. Rockset

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Editorial information provided by DB-Engines
NameDrizzle  Xexclude from comparisonOpenTSDB  Xexclude from comparisonPostGIS  Xexclude from comparisonRockset  Xexclude from comparison
Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.
DescriptionMySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.Scalable Time Series DBMS based on HBaseSpatial extension of PostgreSQLA scalable, reliable search and analytics service in the cloud, built on RocksDB
Primary database modelRelational DBMSTime Series DBMSSpatial DBMSDocument store
Secondary database modelsRelational DBMSRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.73
Rank#147  Overall
#12  Time Series DBMS
Score23.90
Rank#29  Overall
#1  Spatial DBMS
Score0.84
Rank#209  Overall
#35  Document stores
Websiteopentsdb.netpostgis.netrockset.com
Technical documentationopentsdb.net/­docs/­build/­html/­index.htmlpostgis.net/­documentationdocs.rockset.com
DeveloperDrizzle project, originally started by Brian Akercurrently maintained by Yahoo and other contributorsRockset
Initial release2008201120052019
Current release7.2.4, September 20123.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoGNU GPLOpen Source infoLGPLOpen Source infoGPL v2.0commercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaCC++
Server operating systemsFreeBSD
Linux
OS X
Linux
Windows
hosted
Data schemeyesschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsyesdynamic typing
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.noyesno infoingestion from XML files supported
Secondary indexesyesnoyesall fields are automatically indexed
SQL infoSupport of SQLyes infowith proprietary extensionsnoyesRead-only SQL queries, including JOINs
APIs and other access methodsJDBCHTTP API
Telnet API
HTTP REST
Supported programming languagesC
C++
Java
PHP
Erlang
Go
Java
Python
R
Ruby
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnonouser defined functionsno
Triggersno infohooks for callbacks inside the server can be used.noyesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on HBaseyes infobased on PostgreSQLAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
selectable replication factor infobased on HBaseyes infobased on PostgreSQLyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBaseImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlPluggable authentication mechanisms infoe.g. LDAP, HTTPnoyes infobased on PostgreSQLAccess rights for users and organizations can be defined via Rockset console

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More resources
DrizzleOpenTSDBPostGISRockset
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