DBMS > KeyDB vs. Memgraph
System Properties Comparison KeyDB vs. Memgraph
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|Editorial information provided by DB-Engines|
|Name||KeyDB Xexclude from comparison||Memgraph Xexclude from comparison|
|Description||An ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocols||An open source graph database built for real-time streaming and compatible with Neo4j|
|Primary database model||Key-value store||Graph DBMS|
|Social network pages|
|Developer||EQ Alpha Technology Ltd.||Memgraph Ltd|
|License Commercial or Open Source||Open Source BSD-3||commercial Free license available|
|Cloud-based only Only available as a cloud service||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||C++||C and C++|
|Server operating systems||Linux||Linux|
|Data scheme||schema-free||schema-free and schema-optional|
|Typing predefined data types such as float or date||partial Supported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no||no|
|Secondary indexes||yes by using the Redis Search module|
|SQL Support of SQL||no||no|
|APIs and other access methods||Proprietary protocol RESP - REdis Serialization Protoco||Bolt protocol|
Cypher query language
|Supported programming languages||C|
|Server-side scripts Stored procedures||Lua|
|Partitioning methods Methods for storing different data on different nodes||Sharding||Sharding dynamic graph partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source replication|
|Multi-source replication using RAFT|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
Strong eventual consistency with CRDTs
|Foreign keys Referential integrity||no||yes relationships in graphs|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||Optimistic locking, atomic execution of commands blocks and scripts||ACID with snapshot isolation|
|Concurrency Support for concurrent manipulation of data||yes||yes, multi-version concurrency control (MVCC)|
|Durability Support for making data persistent||yes Configurable mechanisms for persistency via snapshots and/or operations logs||yes with periodic snapshot and write-ahead logging (WAL) of changes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes|
|User concepts Access control||simple password-based access control and ACL||Users, roles and permissions|
|More information provided by the system vendor|
|Specific characteristics||Memgraph directly connects to your streaming infrastructure so you and your team...|
|Competitive advantages||Business Source License ensures a future for the Memgraph community MAGE algorithm...|
|Typical application scenarios||Graph algorithms in bioinformatics Social network analysis Cryptocurrency network...|
|Licensing and pricing models||You can check out our pricing model and licenses on the company website .|
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