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DBMS > OpenTSDB vs. searchxml vs. Tkrzw

System Properties Comparison OpenTSDB vs. searchxml vs. Tkrzw

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Editorial information provided by DB-Engines
NameOpenTSDB  Xexclude from comparisonsearchxml  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionScalable Time Series DBMS based on HBaseDBMS for structured and unstructured content wrapped with an application serverA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelTime Series DBMSNative XML DBMS
Search engine
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score0.00
Rank#383  Overall
#7  Native XML DBMS
#25  Search engines
Score0.00
Rank#383  Overall
#60  Key-value stores
Websiteopentsdb.netwww.searchxml.net/­category/­productsdbmx.net/­tkrzw
Technical documentationopentsdb.net/­docs/­build/­html/­index.htmlwww.searchxml.net/­support/­handouts
Developercurrently maintained by Yahoo and other contributorsinformationpartners gmbhMikio Hirabayashi
Initial release201120152020
Current release1.00.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoLGPLcommercialOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++C++
Server operating systemsLinux
Windows
WindowsLinux
macOS
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenumeric data for metrics, strings for tagsyesno
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
Secondary indexesnoyes
SQL infoSupport of SQLnonono
APIs and other access methodsHTTP API
Telnet API
RESTful HTTP API
WebDAV
XQuery
XSLT
Supported programming languagesErlang
Go
Java
Python
R
Ruby
C++ infomost other programming languages supported via APIsC++
Java
Python
Ruby
Server-side scripts infoStored proceduresnoyes infoon the application serverno
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on HBasenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBaseyes infosychronisation to multiple collectionsnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBaseImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanomultiple readers, single writer
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.nonoyes infousing specific database classes
User concepts infoAccess controlnoDomain, group and role-based access control at the document level and for application servicesno

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More resources
OpenTSDBsearchxmlTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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