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DBMS > Alibaba Cloud Log Service vs. HarperDB vs. JSqlDb vs. PostGIS vs. Quasardb

System Properties Comparison Alibaba Cloud Log Service vs. HarperDB vs. JSqlDb vs. PostGIS vs. Quasardb

Editorial information provided by DB-Engines
NameAlibaba Cloud Log Service  Xexclude from comparisonHarperDB  Xexclude from comparisonJSqlDb  Xexclude from comparisonPostGIS  Xexclude from comparisonQuasardb  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionA complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs.Ultra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.JavaScript Query Language Database, stores JavaScript objects and primitivesSpatial extension of PostgreSQLDistributed, high-performance timeseries database
Primary database modelSearch engineDocument storeDocument store
Object oriented DBMS
Spatial DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.47
Rank#263  Overall
#18  Search engines
Score0.60
Rank#244  Overall
#38  Document stores
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Websitewww.alibabacloud.com/­product/­log-servicewww.harperdb.iojsqldb.org (offline)postgis.netquasar.ai
Technical documentationwww.alibabacloud.com/­help/­en/­slsdocs.harperdb.io/­docspostgis.net/­documentationdoc.quasar.ai/­master
DeveloperAlibabaCloud Inc.HarperDBKonrad von Backstromquasardb
Initial release20162017201820052009
Current release3.1, August 20210.8, December 20183.4.2, February 20243.14.1, January 2024
License infoCommercial or Open Sourcecommercialcommercial infofree community edition availableOpen SourceOpen Source infoGPL v2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageNode.jsCC++
Server operating systemshostedLinux
OS X
Linux
macOS
Windows
BSD
Linux
OS X
Windows
Data schemeschema-freedynamic schemaschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyes infoJSON data typesnoyesyes infointeger and binary
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.nononoyesno
Secondary indexesyesyesnoyesyes infowith tags
SQL infoSupport of SQLSQL for queryingSQL-like data manipulation statementsnoyesSQL-like query language
APIs and other access methodsHTTP RESTJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
HTTP API
Supported programming languages.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
JavaScript.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresnoCustom Functions infosince release 3.1functions in JavaScriptuser defined functionsno
Triggersyesnonoyesno
Partitioning methods infoMethods for storing different data on different nodesShardingA table resides as a whole on one (or more) nodes in a clusternoneyes infobased on PostgreSQLSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodes3 replicasyes infothe nodes on which a table resides can be definednoneyes infobased on PostgreSQLSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectornononowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoAtomic execution of specific operationsACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes, using LMDByes infousing RocksDByesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnoyes infoTransient mode
User concepts infoAccess controlAlibaba Cloud user access controlAccess rights for users and rolesyes infobased on PostgreSQLCryptographically strong user authentication and audit trail
More information provided by the system vendor
Alibaba Cloud Log ServiceHarperDBJSqlDbPostGISQuasardb
Specific characteristicsA real-time service for telementry data (log, metric, trace). Alibaba Cloud Log Service...
» more
Competitive advantages* Ease of use: Completes data collections from more than 30 data sources within five...
» more
Typical application scenarios* Log/Trace/Event Search & Analysis * Application Monitoring * Operation Analysis...
» more
Key customers* Alibaba & Ant-Financeļ¼šhe infrastructure service for the Corp * Over 22k Subscriber...
» more
Licensing and pricing modelsPay-As-You-Go https://www.alibabacloud.com/product/log-service/pricing
» more

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More resources
Alibaba Cloud Log ServiceHarperDBJSqlDbPostGISQuasardb
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