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DBMS > Alibaba Cloud TSDB vs. Amazon CloudSearch vs. Amazon SimpleDB vs. CockroachDB vs. VelocityDB

System Properties Comparison Alibaba Cloud TSDB vs. Amazon CloudSearch vs. Amazon SimpleDB vs. CockroachDB vs. VelocityDB

Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonAmazon CloudSearch  Xexclude from comparisonAmazon SimpleDB  Xexclude from comparisonCockroachDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceA hosted search engine service by Amazon with the data stored in Amazons cloudHosted simple database service by Amazon, with the data stored in the Amazon Cloud. infoThere is an unrelated product called SimpleDB developed by Edward ScioreCockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSSearch engineKey-value storeRelational DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.29
Rank#301  Overall
#26  Time Series DBMS
Score1.81
Rank#137  Overall
#12  Search engines
Score1.88
Rank#133  Overall
#23  Key-value stores
Score5.73
Rank#58  Overall
#34  Relational DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.alibabacloud.com/­product/­hitsdbaws.amazon.com/­cloudsearchaws.amazon.com/­simpledbwww.cockroachlabs.comvelocitydb.com
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbdocs.aws.amazon.com/­cloudsearchdocs.aws.amazon.com/­simpledbwww.cockroachlabs.com/­docsvelocitydb.com/­UserGuide
DeveloperAlibabaAmazonAmazonCockroach LabsVelocityDB Inc
Initial release2012200720152011
Current release24.1.0, May 20247.x
License infoCommercial or Open SourcecommercialcommercialcommercialOpen Source infoApache 2.0, commercial license availablecommercial
Cloud-based only infoOnly available as a cloud serviceyesyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC#
Server operating systemshostedhostedhostedLinux
macOS
Windows
Any that supports .NET
Data schemeschema-freeyesschema-freedynamic schemayes
Typing infopredefined data types such as float or dateNumeric data and Stringsyesnoyesyes
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.nonono
Secondary indexesnoyes infoall search fields are automatically indexedyes infoAll columns are indexed automaticallyyesyes
SQL infoSupport of SQLnononoyes, wire compatible with PostgreSQLno
APIs and other access methodsHTTP RESTHTTP APIRESTful HTTP APIJDBC.Net
Supported programming languagesJava.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
.Net
Server-side scripts infoStored proceduresnonononono
TriggersnonononoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requirednone infoSharding must be implemented in the applicationhorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFTSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSyesMulti-source replication using RAFT
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono infoConcurrent data updates can be detected by the applicationACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlAccess managed on TSDB instance levelauthentication via encrypted signaturesAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)Role-based access controlBased on Windows Authentication

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More resources
Alibaba Cloud TSDBAmazon CloudSearchAmazon SimpleDBCockroachDBVelocityDB
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