DBMS > CrateDB vs. Elasticsearch vs. etcd
System Properties Comparison CrateDB vs. Elasticsearch vs. etcd
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|Editorial information provided by DB-Engines|
|Name||CrateDB Xexclude from comparison||Elasticsearch Xexclude from comparison||etcd Xexclude from comparison|
|Description||Distributed Database based on Lucene||A distributed, RESTful modern search and analytics engine based on Apache Lucene Elasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metric||A distributed reliable key-value store|
|Primary database model||Document store|
Time Series DBMS
|Search engine||Key-value store|
|Secondary database models||Relational DBMS|
|Current release||8.6, January 2023||3.4, August 2019|
|License Commercial or Open Source||Open Source||Open Source Elastic License||Open Source Apache Version 2.0|
|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.
|CrateDB Cloud: a distributed SQL database that spreads data and processing across an elastic cluster of shared nothing nodes. CrateDB Cloud enables data insights at scale on Microsoft Azure, AWS and Google Cloud Platform.|
|Server operating systems||All Operating Systems, including Kubernetes with CrateDB Kubernetes Operator support||All OS with a Java VM||FreeBSD|
|Data scheme||Flexible Schema (defined schema, partial schema, schema free)||schema-free Flexible type definitions. Once a type is defined, it is persistent||schema-free|
|Typing predefined data types such as float or date||yes||yes||no|
|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|
|Secondary indexes||yes||yes All search fields are automatically indexed||no|
|SQL Support of SQL||yes, but no triggers and constraints, and PostgreSQL compatibility||SQL-like query language||no|
|APIs and other access methods||ADO.NET|
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
RESTful HTTP/JSON API
JSON over HTTP
|Supported programming languages||.NET|
Go community maintained client
Perl community maintained client
Ruby community maintained client
Scala community maintained client
Community Contributed Clients
|Triggers||no||yes by using the 'percolation' feature||yes, watching key changes|
|Partitioning methods Methods for storing different data on different nodes||Sharding||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Configurable replication on table/partition-level||yes||Using Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||ES-Hadoop Connector||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
Read-after-write consistency on record level
|Eventual Consistency Synchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all||Immediate Consistency|
|Foreign keys Referential integrity||no||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no unique row identifiers can be used for implementing an optimistic concurrency control strategy||no||no|
|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||Memcached and Redis integration||no|
|User concepts Access control||rights management via user accounts||no|
|More information provided by the system vendor|
|Specific characteristics||CrateDB is an open-source distributed SQL database that spreads data and processing...|
|Competitive advantages||CrateDB is typically used in operational analytics applications. In those scenarios,...|
|Typical application scenarios||CrateDB is ideal for integrating and analyzing streams of data in order to monitor,...|
|Key customers||CrateDB customers include Bitmovin , ALPLA , Gantner Instruments , SPGo! , TGW Logistics...|
|Market metrics||The CrateDB open source project was started in 2013 Honorable Mention in 2021 Gartner®...|
|Licensing and pricing models||CrateDB Cloud The efficiency & range of CrateDB in the Cloud CrateDB Edge brings...|
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|DB-Engines blog posts|
PostgreSQL is the DBMS of the Year 2017 Elasticsearch moved into the top 10 most popular database management systems MySQL, PostgreSQL and Redis are the winners of the March ranking
Elasticsearch moved into the top 10 most popular database management systems MySQL, PostgreSQL and Redis are the winners of the March ranking
MySQL, PostgreSQL and Redis are the winners of the March ranking
|Conferences and events|
CrateDB Workshop – Hands-on learning experience that introduces the fundamental concepts of CrateDB through 4 modules!
Mastering Event Monitoring using Prometheus and Grafana with CrateDB Cloud
|Recent citations in the news|
Real-Time Analytics Database Company CrateDB Names Lars ...
Crate.io Expands CrateDB Cloud with the Launch of CrateDB Edge
Crate.io raises $10M to grow its database platform
CrateDB Tackles Machine Analytics with Scale-Out SQL Database
CrateDB packs NoSQL flexibility, SQL familiarity
provided by Google News
Elastic Unveils the Elasticsearch Relevance Engine for Artificial ...
Elasticsearch Relevance Engine brings new vectors to generative AI
Elastic to power generative AI models with Elasticsearch Relevance ...
Elastic grows revenue and expands its customer base, but light ...
Somehow Amazon's Open Source Fork of ElasticSearch Has ...
provided by Google News
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provided by Google News
2023 Software Engineering Recent Grad Positions – Cat Digital
ElasticSearch / Java Developer
QA Functional Tester
Platform Engineer – SysAdmin
Junior Developer / Application Engineer
Senior Cloud Engineer
Sr. DevOps Engineer
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