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DBMS > EventStoreDB vs. Lovefield vs. OpenTSDB

System Properties Comparison EventStoreDB vs. Lovefield vs. OpenTSDB

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonLovefield  Xexclude from comparisonOpenTSDB  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.Embeddable relational database for web apps written in pure JavaScriptScalable Time Series DBMS based on HBase
Primary database modelEvent StoreRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.14
Rank#181  Overall
#1  Event Stores
Score0.32
Rank#290  Overall
#132  Relational DBMS
Score1.73
Rank#147  Overall
#12  Time Series DBMS
Websitewww.eventstore.comgoogle.github.io/­lovefieldopentsdb.net
Technical documentationdevelopers.eventstore.comgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdopentsdb.net/­docs/­build/­html/­index.html
DeveloperEvent Store LimitedGooglecurrently maintained by Yahoo and other contributors
Initial release201220142011
Current release21.2, February 20212.1.12, February 2017
License infoCommercial or Open SourceOpen SourceOpen Source infoApache 2.0Open Source infoLGPL
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJava
Server operating systemsLinux
Windows
server-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
Windows
Data schemeyesschema-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.nono
Secondary indexesyesno
SQL infoSupport of SQLSQL-like query language infovia JavaScript builder patternno
APIs and other access methodsHTTP API
Telnet API
Supported programming languagesJavaScriptErlang
Go
Java
Python
R
Ruby
Server-side scripts infoStored proceduresnono
TriggersUsing read-only observersno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBase
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infousing MemoryDBno
User concepts infoAccess controlnono

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More resources
EventStoreDBLovefieldOpenTSDB
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