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DBMS > Alibaba Cloud Log Service vs. Alibaba Cloud PolarDB vs. LevelDB vs. Sqrrl vs. ToroDB

System Properties Comparison Alibaba Cloud Log Service vs. Alibaba Cloud PolarDB vs. LevelDB vs. Sqrrl vs. ToroDB

Editorial information provided by DB-Engines
NameAlibaba Cloud Log Service  Xexclude from comparisonAlibaba Cloud PolarDB  Xexclude from comparisonLevelDB  Xexclude from comparisonSqrrl  Xexclude from comparisonToroDB  Xexclude from comparison
Sqrrl has been acquired by Amazon and became a part of Amazon Web Services. It has been removed from the DB-Engines ranking.ToroDB 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.A cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.Embeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesAdaptable, secure NoSQL built on Apache AccumuloA MongoDB-compatible JSON document store, built on top of PostgreSQL
Primary database modelSearch engineRelational DBMSKey-value storeDocument store
Graph DBMS
Key-value store
Wide column store
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.47
Rank#263  Overall
#18  Search engines
Score0.66
Rank#235  Overall
#108  Relational DBMS
Score2.25
Rank#115  Overall
#19  Key-value stores
Websitewww.alibabacloud.com/­product/­log-servicewww.alibabacloud.com/­product/­polardbgithub.com/­google/­leveldbsqrrl.comgithub.com/­torodb/­server
Technical documentationwww.alibabacloud.com/­help/­en/­slswww.alibabacloud.com/­help/­en/­polardb/­product-overviewgithub.com/­google/­leveldb/­blob/­main/­doc/­index.md
DeveloperAlibabaCloud Inc.AlibabaGoogleAmazon infooriginally Sqrrl Data, Inc.8Kdata
Initial release2016201120122016
Current release1.23, February 2021
License infoCommercial or Open SourcecommercialcommercialOpen Source infoBSDcommercialOpen Source infoAGPL-V3
Cloud-based only infoOnly available as a cloud serviceyesyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaJava
Server operating systemshostedhostedIllumos
Linux
OS X
Windows
LinuxAll OS with a Java 7 VM
Data schemeschema-freeyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesnoyesyes infostring, integer, double, boolean, date, object_id
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.noyesnono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLSQL for queryingyesnono
APIs and other access methodsHTTP RESTJDBC
ODBC
Accumulo Shell
Java API
JDBC
ODBC
RESTful HTTP API
Thrift
Supported programming languagesJava
Python
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Actionscript
C infousing GLib
C#
C++
Cocoa
Delphi
Erlang
Go
Haskell
Java
JavaScript
OCaml
Perl
PHP
Python
Ruby
Smalltalk
Server-side scripts infoStored proceduresnoyesnono
Triggersyesyesnonono
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoImplicit feature of the cloud servicenoneSharding infomaking use of HadoopSharding
Replication methods infoMethods for redundantly storing data on multiple nodes3 replicasyes infoImplicit feature of the cloud servicenoneselectable replication factor infomaking use of HadoopSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectornonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency infoDocument store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoAtomic updates per row, document, or graph entityno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyes infowith automatic compression on writesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlAlibaba Cloud user access controlfine grained access rights according to SQL-standardnoCell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)Access rights for users and roles
More information provided by the system vendor
Alibaba Cloud Log ServiceAlibaba Cloud PolarDBLevelDBSqrrlToroDB
Specific characteristicsA real-time service for telementry data (log, metric, trace). Alibaba Cloud Log Service...
» more
PolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
» more
Competitive advantages* Ease of use: Completes data collections from more than 30 data sources within five...
» more
Webinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
» more
Typical application scenarios* Log/Trace/Event Search & Analysis * Application Monitoring * Operation Analysis...
» more
Creating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
» more
Key customers* Alibaba & Ant-Finance:he 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
Specification and pricing. You can use either of the following billing methods to...
» more

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More resources
Alibaba Cloud Log ServiceAlibaba Cloud PolarDBLevelDBSqrrlToroDB
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