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DBMS > QuestDB vs. Splunk

System Properties Comparison QuestDB vs. Splunk

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Our visitors often compare QuestDB and Splunk with ClickHouse, Prometheus and Microsoft SQL Server.

Editorial information provided by DB-Engines
NameQuestDB  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionA high performance open source SQL database for time series dataAnalytics Platform for Big Data
Primary database modelTime Series DBMSSearch engine
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.26
Rank#79  Overall
#6  Time Series DBMS
Score71.39
Rank#18  Overall
#2  Search engines
Websitequestdb.iowww.splunk.com
Technical documentationquestdb.io/­docsdocs.splunk.com/­Documentation/­Splunk
DeveloperQuestDB Technology IncSplunk Inc.
Initial release20142003
License infoCommercial or Open SourceOpen Source infoApache 2.0commercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava (Zero-GC), C++, Rust
Server operating systemsLinux
macOS
Windows
Linux
OS X
Solaris
Windows
Data schemeyes infoschema-free via InfluxDB Line Protocolyes
Typing infopredefined data types such as float or dateyesyes
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.noyes
Secondary indexesnoyes
SQL infoSupport of SQLSQL with time-series extensionsno infoSplunk Search Processing Language for search commands
APIs and other access methodsHTTP REST
InfluxDB Line Protocol (TCP/UDP)
JDBC
PostgreSQL wire protocol
HTTP REST
Supported programming languagesC infoPostgreSQL driver
C++
Go
Java
JavaScript (Node.js)
Python
Rust infoover HTTP
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoyes
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning (by timestamps)Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication with eventual consistencyMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID for single-table writesno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infothrough memory mapped filesno
User concepts infoAccess controlAccess rights for users and roles

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More resources
QuestDBSplunk
DB-Engines blog posts

Enterprise Search Engines almost double their popularity in the last 12 months
2 July 2014, Paul Andlinger

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Recent citations in the news

High Performance Time - Series Database Design with QuestDB
9 January 2025, infoq.com

Making a trading Gameboy: A pocket exchange and algo trading platform @QuestDb
12 November 2024, Adafruit Industries – Makers, hackers, artists, designers and engineers!

QuestDB Powers B3 Exchange’s Next-Generation CSD Platform’s Tick Data Store
1 April 2025, TradingView

Time Series Database QuestDB 8.0 Improves SQL Performance and Adds ZFS Compression
5 July 2024, infoq.com

Read the Pitch Deck Database Startup QuestDB Used to Raise $12 Million
11 November 2021, Business Insider

provided by Google News



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