DBMS > Hawkular Metrics vs. Kyligence Enterprise vs. Postgres-XL vs. SpatiaLite

System Properties Comparison Hawkular Metrics vs. Kyligence Enterprise vs. Postgres-XL vs. SpatiaLite

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Editorial information provided by DB-Engines
Name	Hawkular Metrics  Xexclude from comparison	Kyligence Enterprise  Xexclude from comparison	Postgres-XL  Xexclude from comparison	SpatiaLite  Xexclude from comparison
Description	Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.	A distributed analytics engine for big data, built on top of Apache Kylin	Based on PostgreSQL enhanced with MPP and write-scale-out cluster features	Spatial extension of SQLite
Primary database model	Time Series DBMS	Relational DBMS	Relational DBMS	Spatial DBMS
Secondary database models			Document store Spatial DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.08 Rank #366   Overall #39   Time Series DBMS	Score 0.46 Rank #266   Overall #124   Relational DBMS	Score 0.53 Rank #254   Overall #117   Relational DBMS	Score 1.63 Rank #146   Overall #3   Spatial DBMS
Website	www.hawkular.org	kyligence.io/­kyligence-enterprise	www.postgres-xl.org	www.gaia-gis.it/­fossil/­libspatialite/­index
Technical documentation	www.hawkular.org/­hawkular-metrics/­docs/­user-guide		www.postgres-xl.org/­documentation	www.gaia-gis.it/­gaia-sins/­spatialite_topics.html
Developer	Community supported by Red Hat	Kyligence, Inc.		Alessandro Furieri
Initial release	2014	2016	2014 since 2012, originally named StormDB	2008
Current release			10 R1, October 2018	5.0.0, August 2020
License Commercial or Open Source	Open Source Apache 2.0	commercial	Open Source Mozilla public license	Open Source MPL 1.1, GPL v2.0 or LGPL v2.1
Cloud-based only Only available as a cloud service	no	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Java	Java	C	C++
Server operating systems	Linux OS X Windows	Linux	Linux macOS	server-less
Data scheme	schema-free	yes	yes	yes
Typing predefined data types such as float or date	yes	yes	yes	yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	no	no	yes XML type, but no XML query functionality	no
Secondary indexes	no	yes	yes	yes
SQL Support of SQL	no	ANSI SQL for queries (using Apache Calcite)	yes distributed, parallel query execution	yes
APIs and other access methods	HTTP REST	JDBC ODBC RESTful HTTP API	ADO.NET JDBC native C library ODBC streaming API for large objects
Supported programming languages	Go Java Python Ruby		.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl
Server-side scripts Stored procedures	no		user defined functions	no
Triggers	yes via Hawkular Alerting		yes	yes
Partitioning methods Methods for storing different data on different nodes	Sharding based on Cassandra		horizontal partitioning	none
Replication methods Methods for redundantly storing data on multiple nodes	selectable replication factor based on Cassandra			none
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no		yes	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no		ACID MVCC	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no	no	yes
User concepts Access control	no		fine grained access rights according to SQL-standard	no
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More resources
	Hawkular Metrics	Kyligence Enterprise	Postgres-XL	SpatiaLite
DB-Engines blog posts				Spatial database management systems 6 April 2021, Matthias Gelbmann show all
Recent citations in the news	Waiting for Red Hat OpenShift 4.0? Too late, 4.1 has already arrived… • DEVCLASS 5 June 2019, DevClass provided by Google News	Kyligence Grows OLAP Business in the Cloud 20 February 2020, Datanami Kyligence adds ClickHouse OLAP engine to its analytics platform 10 August 2021, VentureBeat Distributed OLAPer Kyligence accelerates core engine, adds real-time data support – Blocks and Files 10 August 2021, Blocks and Files How Kyligence Cloud uses Amazon EMR Serverless to simplify OLAP | Amazon Web Services 9 November 2022, AWS Blog Why Analytics Warehouse Is the Answer to Big Data Analytics 21 September 2021, Spiceworks News and Insights provided by Google News

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