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DBMS > Alibaba Cloud Log Service vs. Cassandra vs. Google Cloud Datastore vs. PostgreSQL vs. Yaacomo

System Properties Comparison Alibaba Cloud Log Service vs. Cassandra vs. Google Cloud Datastore vs. PostgreSQL vs. Yaacomo

Editorial information provided by DB-Engines
NameAlibaba Cloud Log Service  Xexclude from comparisonCassandra  Xexclude from comparisonGoogle Cloud Datastore  Xexclude from comparisonPostgreSQL  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionA complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs.Wide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessAutomatically scaling NoSQL Database as a Service (DBaaS) on the Google Cloud PlatformWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelSearch engineWide column storeDocument storeRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Relational DBMS
Secondary database modelsVector DBMS infostarting with release V5Document store
Graph DBMS infowith Apache Age
Spatial DBMS
Vector DBMS infowith pgvector extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.43
Rank#265  Overall
#18  Search engines
Score101.89
Rank#12  Overall
#1  Wide column stores
Score4.47
Rank#76  Overall
#12  Document stores
Score645.54
Rank#4  Overall
#4  Relational DBMS
Websitewww.alibabacloud.com/­product/­log-servicecassandra.apache.orgcloud.google.com/­datastorewww.postgresql.orgyaacomo.com
Technical documentationwww.alibabacloud.com/­help/­en/­slscassandra.apache.org/­doc/­latestcloud.google.com/­datastore/­docswww.postgresql.org/­docs
DeveloperAlibabaCloud Inc.Apache Software Foundation infoApache top level project, originally developped by FacebookGooglePostgreSQL Global Development Group infowww.postgresql.org/­developerQ2WEB GmbH
Initial release2016200820081989 info1989: Postgres, 1996: PostgreSQL2009
Current release4.1.3, July 202316.3, May 2024
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2commercialOpen Source infoBSDcommercial
Cloud-based only infoOnly available as a cloud serviceyesnoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC
Server operating systemshostedBSD
Linux
OS X
Windows
hostedFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Android
Linux
Windows
Data schemeschema-freeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyes, details hereyesyes
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 infospecific XML-type available, but no XML query functionality.no
Secondary indexesyesrestricted infoonly equality queries, not always the best performing solutionyesyesyes
SQL infoSupport of SQLSQL for queryingSQL-like SELECT, DML and DDL statements (CQL)SQL-like query language (GQL)yes infostandard with numerous extensionsyes
APIs and other access methodsHTTP RESTProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
gRPC (using protocol buffers) API
RESTful HTTP/JSON API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
JDBC
ODBC
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresnonousing Google App Engineuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
TriggersyesyesCallbacks using the Google Apps Engineyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infono "single point of failure"Shardingpartitioning by range, list and (since PostgreSQL 11) by hashhorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodes3 replicasselectable replication factor infoRepresentation of geographical distribution of servers is possibleMulti-source replication using PaxosSource-replica replication infoother methods possible by using 3rd party extensionsSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectoryesyes infousing Google Cloud Dataflownono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistency or Eventual Consistency depending on type of query and configuration infoStrong Consistency is default for entity lookups and queries within an Entity Group (but can instead be made eventually consistent). Other queries are always eventual consistent.Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes infovia ReferenceProperties or Ancestor pathsyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoAtomicity and isolation are supported for single operationsACID infoSerializable Isolation within Transactions, Read Committed outside of TransactionsACIDACID
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.nonononoyes
User concepts infoAccess controlAlibaba Cloud user access controlAccess rights for users can be defined per objectAccess rights for users, groups and roles based on Google Cloud Identity and Access Management (IAM)fine grained access rights according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
Alibaba Cloud Log ServiceCassandraGoogle Cloud DatastorePostgreSQLYaacomo
Specific characteristicsA real-time service for telementry data (log, metric, trace). Alibaba Cloud Log Service...
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Apache Cassandra is the leading NoSQL, distributed database management system, well...
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Competitive advantages* Ease of use: Completes data collections from more than 30 data sources within five...
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No single point of failure ensures 100% availability . Operational simplicity for...
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Typical application scenarios* Log/Trace/Event Search & Analysis * Application Monitoring * Operation Analysis...
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Internet of Things (IOT), fraud detection applications, recommendation engines, product...
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Key customers* Alibaba & Ant-Finance:he infrastructure service for the Corp * Over 22k Subscriber...
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Apple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Market metricsCassandra is used by 40% of the Fortune 100.
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Licensing and pricing modelsPay-As-You-Go https://www.alibabacloud.com/product/log-service/pricing
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Apache license  Pricing for commercial distributions provided by DataStax and available...
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