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DBMS > Ehcache vs. Memcached vs. Microsoft Access vs. RRDtool

System Properties Comparison Ehcache vs. Memcached vs. Microsoft Access vs. RRDtool

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Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonMemcached  Xexclude from comparisonMicrosoft Access  Xexclude from comparisonRRDtool  Xexclude from comparison
DescriptionA widely adopted Java cache with tiered storage optionsIn-memory key-value store, originally intended for cachingMicrosoft Access combines a backend RDBMS (JET / ACE Engine) with a GUI frontend for data manipulation and queries. infoThe Access frontend is often used for accessing other datasources (DBMS, Excel, etc.)Industry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. infoThe data is stored in a circular buffer, thus the system storage footprint remains constant over time.
Primary database modelKey-value storeKey-value storeRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.89
Rank#67  Overall
#8  Key-value stores
Score19.42
Rank#32  Overall
#4  Key-value stores
Score104.92
Rank#11  Overall
#8  Relational DBMS
Score1.87
Rank#136  Overall
#11  Time Series DBMS
Websitewww.ehcache.orgwww.memcached.orgwww.microsoft.com/­en-us/­microsoft-365/­accessoss.oetiker.ch/­rrdtool
Technical documentationwww.ehcache.org/­documentationgithub.com/­memcached/­memcached/­wikideveloper.microsoft.com/­en-us/­accessoss.oetiker.ch/­rrdtool/­doc
DeveloperTerracotta Inc, owned by Software AGDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalMicrosoftTobias Oetiker
Initial release2009200319921999
Current release3.10.0, March 20221.6.25, March 20241902 (16.0.11328.20222), March 20191.8.0, 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infoBSD licensecommercial infoBundled with Microsoft OfficeOpen Source infoGPL V2 and FLOSS
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaCC++C infoImplementations in Java (e.g. RRD4J) and C# available
Server operating systemsAll OS with a Java VMFreeBSD
Linux
OS X
Unix
Windows
Windows infoNot a real database server, but making use of DLLsHP-UX
Linux
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesNumeric data only
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 infoExporting into and restoring from XML files possible
Secondary indexesnonoyesno
SQL infoSupport of SQLnonoyes infobut not compliant to any SQL standardno
APIs and other access methodsJCacheProprietary protocolADO.NET
DAO
ODBC
OLE DB
in-process shared library
Pipes
Supported programming languagesJava.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C
C#
C++
Delphi
Java (JDBC-ODBC)
VBA
Visual Basic.NET
C infowith librrd library
C# infowith a different implementation of RRDTool
Java infowith a different implementation of RRDTool
JavaScript (Node.js) infowith a different implementation of RRDTool
Lua
Perl
PHP infowith a wrapper library
Python
Ruby
Server-side scripts infoStored proceduresnonoyes infosince Access 2010 using the ACE-engineno
Triggersyes infoCache Event Listenersnoyes infosince Access 2010 using the ACE-engineno
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta Servernonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta Servernone infoRepcached, a Memcached patch, provides this functionallitynonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)none
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infosupports JTA and can work as an XA resourcenoACID infobut no files for transaction loggingno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoby using the rrdcached daemon
Durability infoSupport for making data persistentyes infousing a tiered cache-storage approachnoyes infobut no files for transaction loggingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlnoyes infousing SASL (Simple Authentication and Security Layer) protocolno infoa simple user-level security was built in till version Access 2003no

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More resources
EhcacheMemcachedMicrosoft AccessRRDtool
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