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DBMS > LMDB vs. ScyllaDB vs. SingleStore vs. StarRocks

System Properties Comparison LMDB vs. ScyllaDB vs. SingleStore vs. StarRocks

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonScyllaDB  Xexclude from comparisonSingleStore infoformer name was MemSQL  Xexclude from comparisonStarRocks  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryCassandra and DynamoDB compatible wide column storeMySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storage with patented universal storage to handle transactional and analytical workloads in one single table typeAn open source, high-performance columnar analytical database that enables real-time, multi-dimensional, and highly concurrent data analytics infoForked from Apache Doris
Primary database modelKey-value storeWide column storeRelational DBMSRelational DBMS
Secondary database modelsKey-value storeDocument store
Spatial DBMS
Time Series DBMS
Vector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.94
Rank#120  Overall
#20  Key-value stores
Score4.15
Rank#69  Overall
#5  Wide column stores
Score4.02
Rank#74  Overall
#39  Relational DBMS
Score0.95
Rank#193  Overall
#89  Relational DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbwww.scylladb.comwww.singlestore.comwww.starrocks.io
Technical documentationwww.lmdb.tech/­docdocs.scylladb.comdocs.singlestore.comdocs.starrocks.io/­en-us/­latest/­introduction/­StarRocks_intro
DeveloperSymasScyllaDBSingleStore Inc.The Linux Foundation infosince Feb 2023
Initial release2011201520132020
Current release0.9.32, January 2024ScyllaDB Open Source 6.0.2, July 20248.5, January 20243.3, June 2024
License infoCommercial or Open SourceOpen SourceOpen Source infoOpen Source (AGPL), commercial license availablecommercial infofree developer edition availableOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageCC++C++, GoC++, Java
Server operating systemsLinux
Unix
Windows
LinuxLinux info64 bit version requiredLinux
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyes
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 infocluster global secondary indicesyesyes
SQL infoSupport of SQLnoSQL-like DML and DDL statements (CQL)yes infobut no triggers and foreign keysyes
APIs and other access methodsProprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
Cluster Management API infoas HTTP Rest and CLI
HTTP API
JDBC
MongoDB API
ODBC
JDBC
MySQL protocol
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
For CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
Bash
C
C#
Java
JavaScript (Node.js)
Python
Java
Server-side scripts infoStored proceduresnoyes, Luayesuser defined functions
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding infohash partitioninghorizontal partitioning (by range and hash)
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infoRepresentation of geographical distribution of servers is possibleSource-replica replication infostores two copies of each physical data partition on two separate nodes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infocan define user-defined aggregate functions for map-reduce-style calculationsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoAtomicity and isolation are supported for single operationsACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes infoAll updates are persistent, including those to disk-based columnstores and memory-based row stores. Transaction commits are supported via write-ahead log.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoin-memory tablesyesno
User concepts infoAccess controlnoAccess rights for users can be defined per objectFine grained access control via users, groups and rolesRole based access control and fine grained access rights
More information provided by the system vendor
LMDBScyllaDBSingleStore infoformer name was MemSQLStarRocks
Specific characteristicsScyllaDB is engineered to deliver predictable performance at scale. It’s adopted...
» more
Competitive advantagesHighly-performant (efficiently utilizes full resources of a node and network; millions...
» more
Typical application scenariosScyllaDB is ideal for applications that require high throughput and low latency at...
» more
Key customersDiscord, Epic Games, Expedia, Zillow, Comcast, Disney+ Hotstar, Samsung, ShareChat,...
» more
Market metricsScyllaDB typically offers ~75% total cost of ownership savings, with ~5X higher throughput...
» more
Licensing and pricing modelsScyllaDB Open Source - free open source software (AGPL) ScyllaDB Enterprise - subscription-based...
» more

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More resources
LMDBScyllaDBSingleStore infoformer name was MemSQLStarRocks
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