DBMS > etcd vs. Percona Server for MySQL
System Properties Comparison etcd vs. Percona Server for MySQL
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|Editorial information provided by DB-Engines|
|Name||etcd Xexclude from comparison||Percona Server for MySQL Xexclude from comparison|
|Description||A distributed reliable key-value store||Enhanced drop-in replacement for MySQL based on XtraDB or TokuDB storage engines with improved performance and additional diagnostic and management features.|
|Primary database model||Key-value store||Relational DBMS|
|Current release||3.4, August 2019||8.0.32-24, 2023|
|License Commercial or Open Source||Open Source Apache Version 2.0||Open Source GPL version 2|
|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||Go||C and C++|
|Server operating systems||FreeBSD|
|Typing predefined data types such as float or date||no||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||yes|
|SQL Support of SQL||no||yes|
|APIs and other access methods||gRPC|
JSON over HTTP
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||no||yes|
|Triggers||yes, watching key changes||yes|
|Replication methods Methods for redundantly storing data on multiple nodes||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||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes|
|User concepts Access control||no||Users with fine-grained authorization concept no user groups or roles|
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|etcd||Percona Server for MySQL|
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