DBMS > Apache Druid vs. Citus vs. Sqrrl
System Properties Comparison Apache Druid vs. Citus vs. Sqrrl
Please select another system to include it in the comparison.
|Editorial information provided by DB-Engines|
|Name||Apache Druid Xexclude from comparison||Citus Xexclude from comparison||Sqrrl Xexclude from comparison|
|Sqrrl has been acquired by Amazon and became a part of Amazon Web Services. It has been removed from the DB-Engines ranking.|
|Description||Open-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality data||Scalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQL||Adaptable, secure NoSQL built on Apache Accumulo|
|Primary database model||Relational DBMS|
Time Series DBMS
|Relational DBMS||Document store|
Wide column store
|Secondary database models||Document store|
|Developer||Apache Software Foundation and contributors||Amazon originally Sqrrl Data, Inc.|
|Current release||25.0.0, January 2023||8.1, December 2018|
|License Commercial or Open Source||Open Source Apache license v2||Open Source AGPL, commercial license also available||commercial|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|Server operating systems||Linux|
|Data scheme||yes schema-less columns are supported||yes||schema-free|
|Typing predefined data types such as float or date||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||yes specific XML type available, but no XML query functionality|
|SQL Support of SQL||SQL for querying||yes standard, with numerous extensions||no|
|APIs and other access methods||JDBC|
RESTful HTTP/JSON API
native C library
streaming API for large objects
RESTful HTTP API
|Supported programming languages||Clojure|
C using GLib
|Server-side scripts Stored procedures||no||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding manual/auto, time-based||Sharding||Sharding making use of Hadoop|
|Replication methods Methods for redundantly storing data on multiple nodes||yes, via HDFS, S3 or other storage engines||Source-replica replication other methods possible by using 3rd party extensions||selectable replication factor making use of Hadoop|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency||Immediate Consistency Document store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.|
|Foreign keys Referential integrity||no||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID||Atomic updates per row, document, or graph entity|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||no|
|User concepts Access control||RBAC using LDAP or Druid internals for users and groups for read/write by datasource and system||fine grained access rights according to SQL-standard||Cell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)|
More information provided by the system vendor
We invite representatives of system vendors to contact us for updating and extending the system information,
Related products and services
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Recent citations in the news|
Apache Druid 25.0 Delivers Multi-Stage Query Engine and ...
Stream Big, Think Bigger: Analyze Streaming Data at Scale
Imply Announces Major Open Source Contribution for Apache Druid ...
As CIO budgets tighten, Apache Superset looks like a Big Data winner
Apache Druid’s Role in Modern Data Analytics
provided by Google News
Microsoft Announces PostgreSQL Option for Cosmos DB
Citus For PostgreSQL Goes Fully Open Source
Microsoft Expands Azure PostgreSQL Moxy Through Citus Data ...
What is Azure Database for PostgreSQL Flexible Server?
Google Makes Postgres-Compatible AlloyDB Generally Available
provided by Google News
Cashe forays into wealth management with Sqrrl acquisition
CASHe acquires Sqrrl, forays into wealthtech space
User and Entity Behavior Analytics Market: Year 2023-2030 and its ...
Amazon's cloud business acquires Sqrrl, a security start-up with NSA roots
Hadoop-as-a-Service Market Giants Spending is going to Boom ...
provided by Google News
Kubernetes Admin-Apache Druid cluster
Database Architect Consultant
Azure Postgres Architect
Senior Database Administrator (Europe)
Lead Database Administrator (Europe)
Senior Database Administrator (US, Canada)
Share this page