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DBMS > Drizzle vs. LMDB vs. ReductStore

System Properties Comparison Drizzle vs. LMDB vs. ReductStore

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Editorial information provided by DB-Engines
NameDrizzle  Xexclude from comparisonLMDB  Xexclude from comparisonReductStore  Xexclude from comparison
Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.
DescriptionMySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.A high performant, light-weight, embedded key-value database libraryDesigned to manage unstructured time-series data efficiently, providing unique features such as storing time-stamped blobs with labels, customizable data retention policies, and a straightforward FIFO quota system.
Primary database modelRelational DBMSKey-value storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.09
Rank#121  Overall
#20  Key-value stores
Score0.05
Rank#384  Overall
#44  Time Series DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbgithub.com/­reductstore
www.reduct.store
Technical documentationwww.lmdb.tech/­docwww.reduct.store/­docs
DeveloperDrizzle project, originally started by Brian AkerSymasReductStore LLC
Initial release200820112023
Current release7.2.4, September 20120.9.32, January 20241.9, March 2024
License infoCommercial or Open SourceOpen Source infoGNU GPLOpen SourceOpen Source infoBusiness Source License 1.1
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++CC++, Rust
Server operating systemsFreeBSD
Linux
OS X
Linux
Unix
Windows
Docker
Linux
macOS
Windows
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyes
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.no
Secondary indexesyesno
SQL infoSupport of SQLyes infowith proprietary extensionsno
APIs and other access methodsJDBCHTTP API
Supported programming languagesC
C++
Java
PHP
.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
C++
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresnono
Triggersno infohooks for callbacks inside the server can be used.no
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlPluggable authentication mechanisms infoe.g. LDAP, HTTPno

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More resources
DrizzleLMDBReductStore
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