DBMS > Redis vs. TiDB vs. VoltDB
System Properties Comparison Redis vs. TiDB vs. VoltDB
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|Editorial information provided by DB-Engines|
|Name||Redis Xexclude from comparison||TiDB Xexclude from comparison||VoltDB Xexclude from comparison|
|Description||Popular in-memory data platform used as a cache, message broker, and database that can be deployed on-premises, across clouds, and hybrid environments Redis focuses on performance so most of its design decisions prioritize high performance and very low latencies.||TiDB is an open source distributed Hybrid Transactional/Analytical Processing (HTAP) database that supports MySQL and Spark SQL syntaxes.||Distributed In-Memory NewSQL RDBMS Used for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory|
|Primary database model||Key-value store Multiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistence||Relational DBMS||Relational DBMS|
|Secondary database models||Document store with RedisJSON|
Graph DBMS with RedisGraph
Search engine with RediSearch
Time Series DBMS with RedisTimeSeries
|Social network pages|
|Developer||Redis project core team, inspired by Salvatore Sanfilippo Development sponsored by Redis Inc.||PingCAP, Inc.||VoltDB Inc.|
|Current release||7.0.9, February 2023||6.6.0, February 2023||11.3, April 2022|
|License Commercial or Open Source||Open Source source-available extensions (modules), commercial licenses for Redis Enterprise||Open Source Apache 2.0||Open Source AGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|TiDB Cloud: Fully-managed TiDB Service. Bring everything great about TiDB to the cloud.|
|Implementation language||C||Go, Rust||Java, C++|
|Server operating systems||BSD|
Windows ported and maintained by Microsoft Open Technologies, Inc.
OS X for development
|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||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 with RediSearch module||yes||yes|
|SQL Support of SQL||no||yes||yes only a subset of SQL 99|
|APIs and other access methods||proprietary protocol RESP - REdis Serialization Protocol||JDBC|
RESTful HTTP/JSON API
|Supported programming languages||C|
Erlang not officially supported
|Server-side scripts Stored procedures||Lua; Redis Functions coming in Redis 7 (slides and Github)||no||Java|
|Triggers||publish/subscribe channels provide some trigger functionality; RedisGears||no||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding Automatic hash-based sharding with support for hash-tags for manual sharding||horizontal partitioning (by key range)||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source replication with Redis Enterprise Pack|
Source-replica replication Chained replication is supported
|Using Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.||Multi-source replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||through RedisGears||yes with TiSpark Connector||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
Causal consistency can be enabled in Active-Active databases
Strong consistency with Redis Raft
Strong eventual consistency with Active-Active
|Foreign keys Referential integrity||no||no currently only supported in syntax||no FOREIGN KEY constraints are not supported|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||Atomic execution of command blocks and scripts and optimistic locking||ACID||ACID Transactions are executed single-threaded within stored procedures|
|Concurrency Support for concurrent manipulation of data||yes Data access is serialized by the server||yes||yes Data access is serialized by the server|
|Durability Support for making data persistent||yes Configurable mechanisms for persistency via snapshots and/or operations logs||yes||yes Snapshots and command logging|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||no|
|User concepts Access control||Access Control Lists (ACLs): redis.io/topics/acl|
LDAP and Role-Based Access Control (RBAC) for Redis Enterprise
Mutual TLS authentication: redis.io/topics/encryption
|Users with fine-grained authorization concept. No user groups or roles.||Users and roles with access to stored procedures|
|More information provided by the system vendor|
|Specific characteristics||The Redis real-time data platform builds upon the unmatched simplicity and speed...|
|TiDB is an open-source NewSQL database built by PingCAP. TiDB supports Hybrid Transactional...|
|Competitive advantages||Redis Enterprise is a robust in-memory database platform built by the people who...|
|In the current database landscape, infrastructure engineers often have to use one...|
|Typical application scenarios||Redis Enterprise is used by large enterprise, startup, and government organizations...|
|TiDB is designed to support both OLTP and OLAP scenarios. You can use TiDB , the...|
|Key customers||Verizon, Vodafone, Atlassian, Trip Advisor, Jet.com, Nokia, Samsung, HTC, Docker,...|
|Shopee (E-commerce) BookMyShow.com (E-commerce) Yiguo.com (E-commerce) JD Cloud &...|
|Market metrics||Most launched Docker container per day according to Docker Hub (7.2M launches per...|
|25K+ GitHub Stars for TiDB, and 8K+ GitHub Stars for TiKV 1.6K+ members in TiDB Community...|
|Licensing and pricing models||Redis Enterprise Cloud lets users scale up and down instantly, and pay only for the...|
|Open Source Apache 2.0 with either commercial licensing or fully-hosted DB-as-a-service...|
We invite representatives of system vendors to contact us for updating and extending the system information,
|Related products and services|
|3rd parties||CData: Connect to Big Data & NoSQL through standard Drivers.|
Read the Redis NoSQL benchmark report.
Redisson PRO: The ultra-fast Redis Java Client.
Aiven for Redis: Store and access your data quickly and efficiently.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|DB-Engines blog posts|
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