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DBMS > KairosDB vs. LevelDB vs. Newts vs. Oracle Coherence

System Properties Comparison KairosDB vs. LevelDB vs. Newts vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonLevelDB  Xexclude from comparisonNewts  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2Embeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesTime Series DBMS based on CassandraOracles in-memory data grid solution
Primary database modelTime Series DBMSKey-value storeTime Series DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score2.35
Rank#111  Overall
#19  Key-value stores
Score0.00
Rank#383  Overall
#41  Time Series DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Websitegithub.com/­kairosdb/­kairosdbgithub.com/­google/­leveldbopennms.github.io/­newtswww.oracle.com/­java/­coherence
Technical documentationkairosdb.github.iogithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdgithub.com/­OpenNMS/­newts/­wikidocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperGoogleOpenNMS GroupOracle
Initial release2013201120142007
Current release1.2.2, November 20181.23, February 202114.1, August 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoBSDOpen Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++JavaJava
Server operating systemsLinux
OS X
Windows
Illumos
Linux
OS X
Windows
Linux
OS X
Windows
All OS with a Java VM
Data schemeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyesyes
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.nononono
Secondary indexesnononono
SQL infoSupport of SQLnononono
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
HTTP REST
Java API
JCache
JPA
RESTful HTTP API
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Java.Net
C++
Java
Server-side scripts infoStored proceduresnononono
Triggersnononoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneSharding infobased on CassandraSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandranoneselectable replication factor infobased on Cassandrayes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanononoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlsimple password-based access controlnonoauthentification to access the cache via certificates or http basic authentication

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More resources
KairosDBLevelDBNewtsOracle Coherence
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