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DBMS > Hawkular Metrics vs. Memcached vs. PostGIS vs. RisingWave vs. Splunk

System Properties Comparison Hawkular Metrics vs. Memcached vs. PostGIS vs. RisingWave vs. Splunk

Editorial information provided by DB-Engines
NameHawkular Metrics  Xexclude from comparisonMemcached  Xexclude from comparisonPostGIS  Xexclude from comparisonRisingWave  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionHawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.In-memory key-value store, originally intended for cachingSpatial extension of PostgreSQLA distributed RDBMS for stream processing, wire-compatible with PostgreSQLAnalytics Platform for Big Data
Primary database modelTime Series DBMSKey-value storeSpatial DBMSRelational DBMSSearch engine
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.08
Rank#366  Overall
#39  Time Series DBMS
Score18.08
Rank#32  Overall
#4  Key-value stores
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score0.64
Rank#238  Overall
#110  Relational DBMS
Score89.10
Rank#14  Overall
#2  Search engines
Websitewww.hawkular.orgwww.memcached.orgpostgis.netwww.risingwave.com/­databasewww.splunk.com
Technical documentationwww.hawkular.org/­hawkular-metrics/­docs/­user-guidegithub.com/­memcached/­memcached/­wikipostgis.net/­documentationdocs.risingwave.com/­docs/­current/­introdocs.splunk.com/­Documentation/­Splunk
DeveloperCommunity supported by Red HatDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalRisingWave LabsSplunk Inc.
Initial release20142003200520222003
Current release1.6.27, May 20243.4.2, February 20241.2, September 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoBSD licenseOpen Source infoGPL v2.0Open Source infoApache Version 2.0commercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaCCRust
Server operating systemsLinux
OS X
Windows
FreeBSD
Linux
OS X
Unix
Windows
Docker
Linux
macOS
Linux
OS X
Solaris
Windows
Data schemeschema-freeschema-freeyesyesyes
Typing infopredefined data types such as float or dateyesnoyesStandard SQL-types and JSONyes
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.noyesnoyes
Secondary indexesnonoyesyesyes
SQL infoSupport of SQLnonoyesyesno infoSplunk Search Processing Language for search commands
APIs and other access methodsHTTP RESTProprietary protocolJDBC
PostgreSQL wire protocol
HTTP REST
Supported programming languagesGo
Java
Python
Ruby
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Go
Java
JavaScript (Node.js)
Python
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresnonouser defined functionsUDFs in Python or Javayes
Triggersyes infovia Hawkular Alertingnoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on Cassandranoneyes infobased on PostgreSQLSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandranone infoRepcached, a Memcached patch, provides this functionallityyes infobased on PostgreSQLMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDnono infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesnoyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesno
User concepts infoAccess controlnoyes infousing SASL (Simple Authentication and Security Layer) protocolyes infobased on PostgreSQLUsers and RolesAccess rights for users and roles

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More resources
Hawkular MetricsMemcachedPostGISRisingWaveSplunk
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