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DBMS > LMDB vs. LokiJS vs. Newts vs. RRDtool vs. Typesense

System Properties Comparison LMDB vs. LokiJS vs. Newts vs. RRDtool vs. Typesense

Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonLokiJS  Xexclude from comparisonNewts  Xexclude from comparisonRRDtool  Xexclude from comparisonTypesense  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryIn-memory JavaScript DBMSTime Series DBMS based on CassandraIndustry 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.A typo-tolerant, in-memory search engine optimized for instant search-as-you-type experiences and developer productivity
Primary database modelKey-value storeDocument storeTime Series DBMSTime Series DBMSSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#125  Overall
#21  Key-value stores
Score0.43
Rank#264  Overall
#42  Document stores
Score0.00
Rank#383  Overall
#41  Time Series DBMS
Score1.87
Rank#136  Overall
#11  Time Series DBMS
Score0.79
Rank#210  Overall
#14  Search engines
Websitewww.symas.com/­symas-embedded-database-lmdbgithub.com/­techfort/­LokiJSopennms.github.io/­newtsoss.oetiker.ch/­rrdtooltypesense.org
Technical documentationwww.lmdb.tech/­doctechfort.github.io/­LokiJSgithub.com/­OpenNMS/­newts/­wikioss.oetiker.ch/­rrdtool/­doctypesense.org/­docs
DeveloperSymasOpenNMS GroupTobias Oetiker
Initial release20112014201419992015
Current release0.9.32, January 20241.8.0, 2022
License infoCommercial or Open SourceOpen SourceOpen SourceOpen Source infoApache 2.0Open Source infoGPL V2 and FLOSSOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaScriptJavaC infoImplementations in Java (e.g. RRD4J) and C# availableC++
Server operating systemsLinux
Unix
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Windows
HP-UX
Linux
Linux
Data schemeschema-freeschema-freeschema-freeyesschema-free infopre-defined schema optional
Typing infopredefined data types such as float or datenoyesNumeric data onlyyes
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.nononono infoExporting into and restoring from XML files possible
Secondary indexesnoyes infovia viewsnonoyes
SQL infoSupport of SQLnonononono
APIs and other access methodsJavaScript APIHTTP REST
Java API
in-process shared library
Pipes
RESTful HTTP API
Supported programming languages.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
JavaScriptJavaC 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
.Net infocommunity maintained
Clojure infocommunity maintained
Dart infocommunity maintained
Go infocommunity maintained
Java infocommunity maintained
JavaScript
Perl infocommunity maintained
PHP
Python
Ruby
Rust infocommunity maintained
Swift infocommunity maintained
Server-side scripts infoStored proceduresnoView functions in JavaScriptnonono
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding infobased on Cassandranone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneselectable replication factor infobased on CassandranoneMulti-source replication using RAFT
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
none
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single collection possiblenonono
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoby using the rrdcached daemonyes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnoyesyes
User concepts infoAccess controlnononono

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More resources
LMDBLokiJSNewtsRRDtoolTypesense
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