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DBMS > LevelDB vs. Memgraph vs. Microsoft Azure Search vs. Redis

System Properties Comparison LevelDB vs. Memgraph vs. Microsoft Azure Search vs. Redis

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Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonMemgraph  Xexclude from comparisonMicrosoft Azure Search  Xexclude from comparisonRedis  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesA hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleSearch-as-a-service for web and mobile app developmentIn-memory data structure store, used as database, cache and message broker infoRedis focuses on performance so most of its design decisions prioritize high performance and very low latencies.
Primary database modelKey-value storeGraph DBMSSearch engineKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistence
Secondary database modelsDocument store infowith Redis Modules
Graph DBMS infowith Redis Modules
Search engine infowith Redis Modules
Time Series DBMS infowith Redis Modules
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.80
Rank#87  Overall
#15  Key-value stores
Score0.06
Rank#315  Overall
#31  Graph DBMS
Score6.22
Rank#55  Overall
#6  Search engines
Score144.81
Rank#8  Overall
#1  Key-value stores
Websitegithub.com/­google/­leveldbmemgraph.comazure.microsoft.com/­en-us/­services/­searchredis.io
Technical documentationgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mddocs.memgraph.comdocs.microsoft.com/­en-us/­azure/­searchredis.io/­documentation
DeveloperGoogleMemgraph LtdMicrosoftSalvatore Sanfilippo infoDevelopment sponsored by Redis Labs
Initial release2011201720152009
Current release1.22, May 2019V15.0.8, March 2020
License infoCommercial or Open SourceOpen Source infoBSDcommercial infoFree license availablecommercialOpen Source infoBSD 3-Clause, commercial license available
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C and C++C
Server operating systemsIllumos
Linux
OS X
Windows
LinuxhostedBSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
Data schemeschema-freeschema-free and schema-optionalyesschema-free
Typing infopredefined data types such as float or datenoyesyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes
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 indexesnoyesyes infowith RediSearch module
SQL infoSupport of SQLnononono
APIs and other access methodsBolt protocol
Cypher query language
RESTful HTTP APIproprietary protocol infoRESP - REdis Serialization Protocol
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
.Net
C#
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
Server-side scripts infoStored proceduresnonoLua
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infodynamic graph partitioningSharding infoImplicit feature of the cloud serviceSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-Master replication using RAFTyes infoImplicit feature of the cloud serviceMaster-slave replication infoChained replication is supported
Multi-master replication infowith Redis Enterprise Pack
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency
Strong eventual consistency with CRDTs
Foreign keys infoReferential integritynoyes inforelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infowith snapshot isolationnoOptimistic locking, atomic execution of commands blocks and scripts
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyes infowith automatic compression on writesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logs
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlnoUsers, roles and permissionsyes infousing Azure authenticationSimple password-based access control infoAccess control lists and SSL are available in the commercial version

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LevelDBMemgraphMicrosoft Azure SearchRedis
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