DBMS > Alibaba Cloud TSDB vs. Google Cloud Datastore vs. Hawkular Metrics vs. PostGIS

System Properties Comparison Alibaba Cloud TSDB vs. Google Cloud Datastore vs. Hawkular Metrics vs. PostGIS

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Editorial information provided by DB-Engines
Name	Alibaba Cloud TSDB  Xexclude from comparison	Google Cloud Datastore  Xexclude from comparison	Hawkular Metrics  Xexclude from comparison	PostGIS  Xexclude from comparison
Description	A stable, reliable, and cost-effective online high-performance time series database service	Automatically scaling NoSQL Database as a Service (DBaaS) on the Google Cloud Platform	Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.	Spatial extension of PostgreSQL
Primary database model	Time Series DBMS	Document store	Time Series DBMS	Spatial DBMS
Secondary database models				Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.29 Rank #301   Overall #26   Time Series DBMS	Score 4.36 Rank #72   Overall #12   Document stores	Score 0.08 Rank #366   Overall #39   Time Series DBMS	Score 21.72 Rank #29   Overall #1   Spatial DBMS
Website	www.alibabacloud.com/­product/­hitsdb	cloud.google.com/­datastore	www.hawkular.org	postgis.net
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb	cloud.google.com/­datastore/­docs	www.hawkular.org/­hawkular-metrics/­docs/­user-guide	postgis.net/­documentation
Developer	Alibaba	Google	Community supported by Red Hat
Initial release		2008	2014	2005
Current release				3.4.2, February 2024
License Commercial or Open Source	commercial	commercial	Open Source Apache 2.0	Open Source GPL v2.0
Cloud-based only Only available as a cloud service	yes	yes	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language			Java	C
Server operating systems	hosted	hosted	Linux OS X Windows
Data scheme	schema-free	schema-free	schema-free	yes
Typing predefined data types such as float or date	Numeric data and Strings	yes, details here	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	no	yes
Secondary indexes	no	yes	no	yes
SQL Support of SQL	no	SQL-like query language (GQL)	no	yes
APIs and other access methods	HTTP REST	gRPC (using protocol buffers) API RESTful HTTP/JSON API	HTTP REST
Supported programming languages	Java	.Net Go Java JavaScript (Node.js) PHP Python Ruby	Go Java Python Ruby
Server-side scripts Stored procedures	no	using Google App Engine	no	user defined functions
Triggers	no	Callbacks using the Google Apps Engine	yes via Hawkular Alerting	yes
Partitioning methods Methods for storing different data on different nodes		Sharding	Sharding based on Cassandra	yes based on PostgreSQL
Replication methods Methods for redundantly storing data on multiple nodes		Multi-source replication using Paxos	selectable replication factor based on Cassandra	yes based on PostgreSQL
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes using Google Cloud Dataflow	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency or Eventual Consistency depending on type of query and configuration Strong Consistency is default for entity lookups and queries within an Entity Group (but can instead be made eventually consistent). Other queries are always eventual consistent.	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency
Foreign keys Referential integrity	no	yes via ReferenceProperties or Ancestor paths	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	ACID Serializable Isolation within Transactions, Read Committed outside of Transactions	no	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	no
User concepts Access control	Access managed on TSDB instance level	Access rights for users, groups and roles based on Google Cloud Identity and Access Management (IAM)	no	yes based on PostgreSQL
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More resources
	Alibaba Cloud TSDB	Google Cloud Datastore	Hawkular Metrics	PostGIS
DB-Engines blog posts				Spatial database management systems 6 April 2021, Matthias Gelbmann show all
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