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DBMS > GreptimeDB vs. Microsoft Azure Synapse Analytics vs. NCache vs. Splunk

System Properties Comparison GreptimeDB vs. Microsoft Azure Synapse Analytics vs. NCache vs. Splunk

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Editorial information provided by DB-Engines
NameGreptimeDB  Xexclude from comparisonMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data Warehouse  Xexclude from comparisonNCache  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionAn open source Time Series DBMS built for increased scalability, high performance and efficiencyElastic, large scale data warehouse service leveraging the broad eco-system of SQL ServerOpen-Source and Enterprise in-memory Key-Value StoreAnalytics Platform for Big Data
Primary database modelTime Series DBMSRelational DBMSKey-value storeSearch engine
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.09
Rank#343  Overall
#31  Time Series DBMS
Score18.98
Rank#31  Overall
#19  Relational DBMS
Score0.91
Rank#196  Overall
#29  Key-value stores
Score93.02
Rank#13  Overall
#2  Search engines
Websitegreptime.comazure.microsoft.com/­services/­synapse-analyticswww.alachisoft.com/­ncachewww.splunk.com
Technical documentationdocs.greptime.comdocs.microsoft.com/­azure/­synapse-analyticswww.alachisoft.com/­resources/­docsdocs.splunk.com/­Documentation/­Splunk
DeveloperGreptime Inc.MicrosoftAlachisoftSplunk Inc.
Initial release2022201620052003
Current release5.3.3, April 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Source infoEnterprise Edition availablecommercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageRustC++C#, .NET, .NET Core, Java
Server operating systemsAndroid
Docker
FreeBSD
Linux
macOS
Windows
hostedLinux
Windows
Linux
OS X
Solaris
Windows
Data schemeschema-free, schema definition possibleyesschema-freeyes
Typing infopredefined data types such as float or dateyesyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes
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.nononoyes
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesyesSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.no infoSplunk Search Processing Language for search commands
APIs and other access methodsgRPC
HTTP API
JDBC
ADO.NET
JDBC
ODBC
IDistributedCache
JCache
LINQ
Proprietary native API
HTTP REST
Supported programming languagesC++
Erlang
Go
Java
JavaScript
C#
Java
PHP
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresPythonTransact SQLno infosupport for stored procedures with SQL-Server CLRyes
Triggersnoyes infoNotificationsyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding, horizontal partitioningyesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes, with selectable consistency levelMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Eventual Consistency
Foreign keys infoReferential integrityno infodocs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraintsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDoptimistic locking and pessimistic lockingno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlSimple rights management via user accountsyesAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)Access rights for users and roles
More information provided by the system vendor
GreptimeDBMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data WarehouseNCacheSplunk
Specific characteristicsGreptimeDB is a SQL & Python-enabled timeseries database system built from scratch...
» more
NCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantages- Inherits advantages of Rust, such as excellent performance, memory safe, resource...
» more
NCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosFor IoT industries, GreptimeDB can seamless integrate with message queues and other...
» more
NCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersGreptime's clients span multiple sectors including IoT, connected vehicles, and energy...
» more
Bank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsGreptimeDB has garnered global recognition by topping GitHub trends following its...
» more
Market Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsGreptimeDB: open source, distributed, cloud-native TSDB; supports Hybrid Time-series...
» more
NCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more

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More resources
GreptimeDBMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data WarehouseNCacheSplunk
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