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DBMS > Blueflood vs. LevelDB vs. openGauss vs. openGemini vs. Riak KV

System Properties Comparison Blueflood vs. LevelDB vs. openGauss vs. openGemini vs. Riak KV

Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonLevelDB  Xexclude from comparisonopenGauss  Xexclude from comparisonopenGemini  Xexclude from comparisonRiak KV  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesAn enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by HuaweiAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityDistributed, fault tolerant key-value store
Primary database modelTime Series DBMSKey-value storeRelational DBMSTime Series DBMSKey-value store infowith links between data sets and object tags for the creation of secondary indexes
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#346  Overall
#33  Time Series DBMS
Score2.25
Rank#115  Overall
#19  Key-value stores
Score1.06
Rank#184  Overall
#84  Relational DBMS
Score0.09
Rank#361  Overall
#37  Time Series DBMS
Score4.01
Rank#79  Overall
#9  Key-value stores
Websiteblueflood.iogithub.com/­google/­leveldbgitee.com/­opengauss
opengauss.org
www.opengemini.org
github.com/­openGemini
Technical documentationgithub.com/­rax-maas/­blueflood/­wikigithub.com/­google/­leveldb/­blob/­main/­doc/­index.mddocs.opengauss.org/­en
gitee.com/­opengauss/­docs
docs.opengemini.org/­guidewww.tiot.jp/­riak-docs/­riak/­kv/­latest
DeveloperRackspaceGoogleHuawei and openGauss communityHuawei and openGemini communityOpenSource, formerly Basho Technologies
Initial release20132011201920222009
Current release1.23, February 20213.0, March 20221.1, July 20233.2.0, December 2022
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoBSDOpen SourceOpen Source infoApache Version 2.0Open Source infoApache version 2, commercial enterprise edition
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++C, C++, JavaGoErlang
Server operating systemsLinux
OS X
Illumos
Linux
OS X
Windows
LinuxLinux
Windows
Linux
OS X
Data schemepredefined schemeschema-freeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyesInteger, Float, Boolean, Stringno
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.nonononono
Secondary indexesnonoyesyesrestricted
SQL infoSupport of SQLnonoANSI SQL 2011SQL-like query languageno
APIs and other access methodsHTTP RESTJDBC
ODBC
HTTP RESTHTTP API
Native Erlang Interface
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
C
C++
Java
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
Server-side scripts infoStored proceduresnonoyesnoErlang
Triggersnonoyesnoyes infopre-commit hooks and post-commit hooks
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on Cassandranonehorizontal partitioning (by range, list and hash)ShardingSharding infono "single point of failure"
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandranoneSource-replica replicationyesselectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonoyesnono infolinks between data sets can be stored
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlnonoAccess rights for users, groups and roles according to SQL-standardAdministrators and common users accountsyes, using Riak Security

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More resources
BluefloodLevelDBopenGaussopenGeminiRiak KV
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