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DBMS > LMDB vs. OpenTSDB vs. Qdrant

System Properties Comparison LMDB vs. OpenTSDB vs. Qdrant

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonOpenTSDB  Xexclude from comparisonQdrant  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryScalable Time Series DBMS based on HBaseA high-performance vector database with neural network or semantic-based matching
Primary database modelKey-value storeTime Series DBMSVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#125  Overall
#21  Key-value stores
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score1.16
Rank#175  Overall
#6  Vector DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbopentsdb.netgithub.com/­qdrant/­qdrant
qdrant.tech
Technical documentationwww.lmdb.tech/­docopentsdb.net/­docs/­build/­html/­index.htmlqdrant.tech/­documentation
DeveloperSymascurrently maintained by Yahoo and other contributorsQdrant
Initial release201120112021
Current release0.9.32, January 2024
License infoCommercial or Open SourceOpen SourceOpen Source infoLGPLOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaRust
Server operating systemsLinux
Unix
Windows
Linux
Windows
Docker
Linux
macOS
Windows
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenumeric data for metrics, strings for tagsNumbers, Strings, Geo, Boolean
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.nonono
Secondary indexesnonoyes infoKeywords, numberic ranges, geo, full-text
SQL infoSupport of SQLnonono
APIs and other access methodsHTTP API
Telnet API
gRPC
OpenAPI 3.0
RESTful HTTP/JSON API infoOpenAPI 3.0
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
Erlang
Go
Java
Python
R
Ruby
.Net
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on HBaseSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on HBaseCollection-level replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseEventual Consistency, tunable consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlnonoKey-based authentication

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More resources
LMDBOpenTSDBQdrant
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