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DBMS > Alibaba Cloud Log Service vs. Cassandra vs. EJDB vs. Neo4j

System Properties Comparison Alibaba Cloud Log Service vs. Cassandra vs. EJDB vs. Neo4j

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Editorial information provided by DB-Engines
NameAlibaba Cloud Log Service  Xexclude from comparisonCassandra  Xexclude from comparisonEJDB  Xexclude from comparisonNeo4j  Xexclude from comparison
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 accessEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Scalable, ACID-compliant graph database designed with a high-performance distributed cluster architecture, available in self-hosted and cloud offerings
Primary database modelSearch engineWide column storeDocument storeGraph DBMS
Secondary database modelsVector DBMS infostarting with release V5
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
Score0.27
Rank#297  Overall
#44  Document stores
Score44.46
Rank#23  Overall
#1  Graph DBMS
Websitewww.alibabacloud.com/­product/­log-servicecassandra.apache.orggithub.com/­Softmotions/­ejdbneo4j.com
Technical documentationwww.alibabacloud.com/­help/­en/­slscassandra.apache.org/­doc/­latestgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdneo4j.com/­docs
DeveloperAlibabaCloud Inc.Apache Software Foundation infoApache top level project, originally developped by FacebookSoftmotionsNeo4j, Inc.
Initial release2016200820122007
Current release4.1.3, July 20235.19, April 2024
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2Open Source infoGPLv2Open Source infoGPL version3, commercial licenses available
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.Neo4j Aura: Neo4j’s fully managed cloud service: The zero-admin, always-on graph database for cloud developers.
Implementation languageJavaCJava, Scala
Server operating systemshostedBSD
Linux
OS X
Windows
server-lessLinux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Data schemeschema-freeschema-freeschema-freeschema-free and schema-optional
Typing infopredefined data types such as float or dateyesyesyes infostring, integer, double, bool, date, object_idyes
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.nono
Secondary indexesyesrestricted infoonly equality queries, not always the best performing solutionnoyes infopluggable indexing subsystem, by default Apache Lucene
SQL infoSupport of SQLSQL for queryingSQL-like SELECT, DML and DDL statements (CQL)nono
APIs and other access methodsHTTP RESTProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
in-process shared libraryBolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresnononoyes infoUser defined Procedures and Functions
Triggersyesyesnoyes infovia event handler
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infono "single point of failure"noneyes using Neo4j Fabric
Replication methods infoMethods for redundantly storing data on multiple nodes3 replicasselectable replication factor infoRepresentation of geographical distribution of servers is possiblenoneCausal Clustering using Raft protocol infoavailable in in Enterprise Version only
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectoryesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Causal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Foreign keys infoReferential integritynonono infotypically not needed, however similar functionality with collection joins possibleyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoAtomicity and isolation are supported for single operationsnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoRead/Write Lockingyes
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.nono
User concepts infoAccess controlAlibaba Cloud user access controlAccess rights for users can be defined per objectnoUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)
More information provided by the system vendor
Alibaba Cloud Log ServiceCassandraEJDBNeo4j
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...
» more
Neo4j delivers graph technology that has been battle tested for performance and scale...
» more
Competitive advantages* Ease of use: Completes data collections from more than 30 data sources within five...
» more
No single point of failure ensures 100% availability . Operational simplicity for...
» more
Neo4j is the market leader, graph database category creator, and the most widely...
» more
Typical application scenarios* Log/Trace/Event Search & Analysis * Application Monitoring * Operation Analysis...
» more
Internet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Real-Time Recommendations Master Data Management Identity and Access Management Network...
» more
Key customers* Alibaba & Ant-Finance:he infrastructure service for the Corp * Over 22k Subscriber...
» more
Apple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Over 800 commercial customers and over 4300 startups use Neo4j. Flagship customers...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Neo4j boasts the world's largest graph database ecosystem with more than 140 million...
» more
Licensing and pricing modelsPay-As-You-Go https://www.alibabacloud.com/product/log-service/pricing
» more
Apache license  Pricing for commercial distributions provided by DataStax and available...
» more
GPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
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