DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Postgres-XL vs. ScyllaDB vs. TerarkDB

System Properties Comparison Postgres-XL vs. ScyllaDB vs. TerarkDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NamePostgres-XL  Xexclude from comparisonScyllaDB  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresCassandra and DynamoDB compatible wide column storeA key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelRelational DBMSKey-value store
Wide column store
Key-value store
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.54
Rank#227  Overall
#110  Relational DBMS
Score2.06
Rank#114  Overall
#22  Key-value stores
#8  Wide column stores
Score0.05
Rank#321  Overall
#50  Key-value stores
Websitewww.postgres-xl.orgwww.scylladb.comgithub.com/­Terark/­terarkdb
Technical documentationwww.postgres-xl.org/­documentationdocs.scylladb.comgithub.com/­Terark/­terarkdb/­wiki
DeveloperScyllaDBTerark
Initial release2014 infosince 2012, originally named StormDB20152016
Current release10 R1, October 2018Scylla Open Source 4.3, January 2021
License infoCommercial or Open SourceOpen Source infoMozilla public licenseOpen Source infoOpen Source (AGPL), commercial license availablecommercial inforestricted open source version available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageCC++C++
Server operating systemsLinux
macOS
Linux
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesno
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.yes infoXML type, but no XML query functionalitynono
Secondary indexesyesyes infocluster global secondary indicesno
SQL infoSupport of SQLyes infodistributed, parallel query executionSQL-like DML and DDL statements (CQL)no
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Proprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
C++ API
Java API
Supported programming languages.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
For CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
C++
Java
Server-side scripts infoStored proceduresuser defined functionsyes, Luano
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possiblenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoMVCCno infoAtomicity and isolation are supported for single operationsno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoin-memory tablesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users can be defined per objectno
More information provided by the system vendor
Postgres-XLScyllaDBTerarkDB
Specific characteristicsScylla is a highly-available, highly-scalable, highly-performant NoSQL database....
» more
Competitive advantagesHighly-performant (efficiently utilizes full resources of a node and network; millions...
» more
Typical application scenariosAdTech ( AdGear , Dstillery , MediaMath , Numberly , SAS , SteelHouse , Xandr) Customer...
» more
Key customersComcast, Grab, OlaCabs, Yahoo! Japan, IMVU, Adgear, Xandr, Zenly, Natura, Snapfish,...
» more
Licensing and pricing modelsScylla Open Source - free open source software (AGPL) Scylla Enterprise - subscription-based...
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Postgres-XLScyllaDBTerarkDB
Conferences and events

Scylla University LIVE
Virtual Training, 9 AM PT - 1 PM PT / 5 PM GMT - 9 PM GMT, 22 April 2021

NoSQL and NewSQL: Tradeoffs between Scalable Performance & Consistency
Webinar, 10 AM PT / 1 PM ET / 6 PM GMT, 29 April 2021

Disney+ Hotstar: Scaling NoSQL for Millions of Video On-Demand Users
Webinar, 10 AM PT / 1 PM ET / 6 PM GMT, 13 May 2021

Recent citations in the news

Building a scalable PostgreSQL solution
14 April 2019, Packt Hub

Interview with Frank Huerta and Mason Sharp on PostGres-XL
13 May 2014, opensource.com

When PostgreSQL Doesn't Scale Well Enough
18 April 2016, DZone News

The States Can't Blockchain - CoinDesk
1 March 2020, Coindesk

PostgreSQL vs. Hadoop
20 August 2016, DZone News

provided by Google News

ScyllaDB Announces Scylla Enterprise 2020 NoSQL Database
19 August 2020, GlobeNewswire

ScyllaDB Unveils One-Step Migration from Amazon DynamoDB to Scylla NoSQL Database
2 September 2020, GlobeNewswire

ScyllaDB Unveils ‘Monstrous’ New Capabilities for Its NoSQL Database
12 January 2021, DevOps.com

Discord Chooses Scylla as Its Core Storage Layer
22 July 2020, GlobeNewswire

ScyllaDB Adds Kubernetes Operator to NoSQL Database
7 May 2020, Container Journal

provided by Google News

ByteDance eyes big data push with Terark acquisition EJINSIGHT
30 April 2019, EJ Insight

A Chinese company is making the cloud 200x faster
3 July 2017, TechNode

Terark, A Chinese Startup, May Have Just Revolutionized How Data Is Stored, Accessed & Analyzed
26 June 2017, Indiatimes.com

provided by Google News

Job opportunities

Sr. Software Engineer - Backend
Restream, Remote

Senior Systems Engineer
SpotX, Broomfield, CO

Senior Full Stack Frontend Engineer, Data
Narrativ, New York State

jobs by Indeed




Share this page

Featured Products

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Present your product here