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DISTMYSQL-389 Release notes for Percona Distribution for MySQL 8.2 (P…
…S) (#140) * DISTMYSQL-389 Release notes for Percona Distribution for MySQL 8.2 (PS) modified: .github/workflows/main.yml new file: docs/release-notes-ps-8.2.md modified: docs/release-notes.md modified: mkdocs-base.yml modified: variables.yml * Update release-notes-ps-8.2.md * Update release-notes-ps-8.2.md * Update release-notes-ps-8.2.md * Update release-notes-ps-8.2.md * Update release-notes.md * Update mkdocs-base.yml * Update variables.yml * Update services-banner.md (#142) --------- Co-authored-by: Patrick Birch <[email protected]>
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# Percona Distribution for MySQL 8.2.0 using Percona Server for MySQL (2024-02-06) | ||
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Percona Distribution for MySQL is the most stable, scalable, and secure open source MySQL distribution based on Percona Server for MySQL. [Install Percona Distribution for MySQL](installing.md). | ||
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This release is based on [Percona Server for MySQL 8.2.0-1]. | ||
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## Release highlights | ||
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This release merges the MySQL 8.2 code base. Withing this merge Percona introduces several sagnificant changes: | ||
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* Removes remainders of Percona-specific encryption features (support for custom Percona 5.7 encrypted bilnog format.) | ||
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* Removes the deprecated `rocksdb_strict_collation_check` and `rocksdb_strict_collation_exceptions` RocksDB system variables. | ||
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Improvements and bug fixes introduced by Oracle for MySQL 8.2 and included in Percona Server for MySQL are the following: | ||
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* The insert operations caused `records_in_range` to read too many disk blocks. | ||
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* System schema tables with INSTANT ADD columns created before 8.0.29 are incompatible with MySQL versions higher than 8.0.29. Performing DMLs on these tables causes an unexpected server exit. | ||
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* A FTS parser plugin now handles single character tokens correctly. | ||
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## Known issues | ||
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* [PS-9078](https://perconadev.atlassian.net/browse/PS-9078): An upgrade on Ubuntu 20.04 from the following releases does not restart the MySQL service automatically. You must start the service manually. | ||
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* Percona Server for MySQL 8.0.x to Percona Server for MySQL 8.1 | ||
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* Percona Server for MySQL 8.0.x to Percona Server for MySQL 8.2 | ||
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* Percona Server for MySQL 8.1 to Percona Server for MySQL 8.2 | ||
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## Deprecation or removal | ||
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A future release may remove deprecated variables and options. The usage of these deprecated items may cause a warning. We recommend migrating from deprecated variables and options as soon as possible. | ||
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This release deprecates the following variables and options: | ||
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* The `binlog_transaction_dependency_tracking` server system variable | ||
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* The `old` and `new` server system variables | ||
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* The `--character-set-client-handshake` server variable | ||
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* `INFORMATION_SCHEMA.PROCESSLIST` | ||
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* The implementation of the `SHOW PROCESSLIST` command that uses the `INFORMATION_SCHEMA.PROCESSLIST` table | ||
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* The `performance_schema_show_processlist` variable | ||
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This release removes the following variables and options: | ||
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* The `WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS()` SQL function. Attempting to invoke this function now causes a syntax error. Use `WAIT_FOR_EXECUTED_GTID_SET()` instead. | ||
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* The `--abort-slave-event-count` and `--disconnect-slave-event-count` server startup options. Attempting to use these options now results in an error. | ||
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* The `expire_logs_days` server system variable. Attempting to use this variable now results in an error. Use the `binlog_expire_logs_seconds` variable instead. | ||
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Find the full list of bug fixes and changes in the [MySQL 8.2 Release Notes]. | ||
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## Supplied components | ||
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Review each component’s release notes for What’s new, improvements, or bug fixes. The following is a list of the components supplied with the Percona Server for MySQL-based variation of the Percona Distribution for MySQL: | ||
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| Component | Version | Description | | ||
| ------------------- | --------- | -------------------------------------------| | ||
| Orchestrator | [3.2.6-11](https://github.com/percona/orchestrator/releases/tag/v3.2.6-11) | The replication topology manager for Percona Server for MySQL| | ||
| ProxySQL | [2.5.5](https://docs.percona.com/proxysql/2.5.5.html) | A high performance, high-availability, protocol-aware proxy for MySQL| | ||
| Percona XtraBackup | [8.2.0](https://docs.percona.com/percona-xtrabackup/innovation-release/release-notes/8.2.0-1.html)| An open-source hot backup utility for MySQL-based servers| | ||
| Percona Toolkit | [3.5.7](https://docs.percona.com/percona-toolkit/release_notes.html#v3-5-7-released-2023-12-23) | The set of scripts to simplify and optimize database operation| | ||
| MySQL Shell | [8.2.0](https://dev.mysql.com/doc/relnotes/mysql-shell/8.2/en/news-8-2-0.html) | An advanced client and code editor for MySQL Server| | ||
| MySQL Router | [8.2.0](https://dev.mysql.com/doc/relnotes/mysql-router/8.2/en/news-8-2-0.html) | Lightweight middleware that provides transparent routing between your application and back-end MySQL servers| | ||
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[Percona Server for MySQL 8.2.0-1]: https://www.percona.com/doc/percona-server/innovation-release/release-notes/8.2.0-1.html | ||
[MySQL 8.2 Release Notes]: https://dev.mysql.com/doc/relnotes/mysql/8.2/en/news-8-2-0.html | ||
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# variables for HTML output | ||
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release: '8.1.0' | ||
version: '8.1' | ||
psvers: '8.1.0-1' | ||
vers: '8.1' | ||
release: '8.2.0' | ||
version: '8.2' | ||
psvers: '8.2.0-1' | ||
vers: '8.2' | ||
majorpkg: 'pdps-8x-innovation' | ||
minorpkg: 'pdps-8.1.0' | ||
release_date: '2023-12-23' | ||
title_date: '2023-12-23' | ||
minorpkg: 'pdps-8.2.0' | ||
release_date: '2024-02-06' | ||
title_date: '2024-02-06' | ||
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