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DBMS > Greenplum vs. LMDB vs. OpenTSDB

System Properties Comparison Greenplum vs. LMDB vs. OpenTSDB

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Editorial information provided by DB-Engines
NameGreenplum  Xexclude from comparisonLMDB  Xexclude from comparisonOpenTSDB  Xexclude from comparison
DescriptionAnalytic Database platform built on PostgreSQL. Full name is Pivotal Greenplum Database infoA logical database in Greenplum is an array of individual PostgreSQL databases working together to present a single database image.A high performant, light-weight, embedded key-value database libraryScalable Time Series DBMS based on HBase
Primary database modelRelational DBMSKey-value storeTime Series DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.37
Rank#48  Overall
#30  Relational DBMS
Score1.99
Rank#125  Overall
#21  Key-value stores
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Websitegreenplum.orgwww.symas.com/­symas-embedded-database-lmdbopentsdb.net
Technical documentationdocs.greenplum.orgwww.lmdb.tech/­docopentsdb.net/­docs/­build/­html/­index.html
DeveloperPivotal Software Inc.Symascurrently maintained by Yahoo and other contributors
Initial release200520112011
Current release7.0.0, September 20230.9.32, January 2024
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source infoLGPL
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJava
Server operating systemsLinuxLinux
Unix
Windows
Linux
Windows
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tags
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.yes infosince Version 4.2nono
Secondary indexesyesnono
SQL infoSupport of SQLyesnono
APIs and other access methodsJDBC
ODBC
HTTP API
Telnet API
Supported programming languagesC
Java
Perl
Python
R
.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
Erlang
Go
Java
Python
R
Ruby
Server-side scripts infoStored proceduresyesnono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationnoneselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardnono

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More resources
GreenplumLMDBOpenTSDB
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