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DBMS > Cloudflare Workers KV vs. LokiJS vs. Qdrant vs. Quasardb

System Properties Comparison Cloudflare Workers KV vs. LokiJS vs. Qdrant vs. Quasardb

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Editorial information provided by DB-Engines
NameCloudflare Workers KV  Xexclude from comparisonLokiJS  Xexclude from comparisonQdrant  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.In-memory JavaScript DBMSA high-performance vector database with neural network or semantic-based matchingDistributed, high-performance timeseries database
Primary database modelKey-value storeDocument storeVector DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.29
Rank#283  Overall
#40  Key-value stores
Score0.44
Rank#256  Overall
#40  Document stores
Score1.53
Rank#145  Overall
#7  Vector DBMS
Score0.13
Rank#332  Overall
#28  Time Series DBMS
Websitewww.cloudflare.com/­developer-platform/­workers-kvgithub.com/­techfort/­LokiJSgithub.com/­qdrant/­qdrant
qdrant.tech
quasar.ai
Technical documentationdevelopers.cloudflare.com/­kv/­apitechfort.github.io/­LokiJSqdrant.tech/­documentationdoc.quasar.ai/­master
DeveloperCloudflareQdrantquasardb
Initial release2018201420212009
Current release3.14.1, January 2024
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoApache Version 2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
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.
Implementation languageJavaScriptRustC++
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)Docker
Linux
macOS
Windows
BSD
Linux
OS X
Windows
Data schemeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenonoNumbers, Strings, Geo, Booleanyes infointeger and binary
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
Secondary indexesnoyes infovia viewsyes infoKeywords, numberic ranges, geo, full-textyes infowith tags
SQL infoSupport of SQLnononoSQL-like query language
APIs and other access methodsHTTP REST
Proprietary protocol
JavaScript APIgRPC
OpenAPI 3.0
RESTful HTTP/JSON API infoOpenAPI 3.0
HTTP API
Supported programming languagesC
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
JavaScript.Net
Go
Java
JavaScript (Node.js)
Python
Rust
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresnoView functions in JavaScriptno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneCollection-level replicationSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencynoneEventual Consistency, tunable consistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.yesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes infoTransient mode
User concepts infoAccess controlnoKey-based authenticationCryptographically strong user authentication and audit trail

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More resources
Cloudflare Workers KVLokiJSQdrantQuasardb
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