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Release Notes - MySQL 5.1

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Release Notes - MySQL 5.1

Highlighted Features and Fixes in MySQL 5.1.61

MySQL 5.1.61 is only available to users on the CentOS 5 VPS plans. It is not available to users on Fedora Core or CentOS 4 VPS plans. A list of the most current versions available for the VPS plans is available here.

Features

MySQL 5.1.61 is a bug fix and security release, no new features have been added.

Fixes

  • InnoDB Storage Engine: This fix improves the performance of operations on VARCHAR columns in InnoDB tables, where N is declared as a large value but the actual string values in the table are short. (Bug #12835650)

  • InnoDB Storage Engine: The DATALENGTH column in the INFORMATIONSCHEMA.TABLES table now correctly reports the on-disk sizes of tablespaces for InnoDB compressed tables. (Bug #12770537)

The official Release Notes for MySQL 5.1.61 are available here - http://dev.mysql.com/doc/refman/5.1/en/news-5-1-61.html


Highlighted Features and Fixes in MySQL 5.1.38

MySQL 5.1.38 is only available to users on the CentOS 5 VPS plans. It is not available to users on Fedora Core or CentOS 4 VPS plans. A list of the most current versions available for the VPS plans is available here.

Features

  • InnoDB Plugin is now included
  • mysqldump can now dump the INFORMATION_SCHEMA database

Fixes

  • mysqlimport compiled to enable threads
  • Fixed an innodb reporting error for concurrent transactions

The official Release Notes for MySQL 5.1.38 are available here - http://dev.mysql.com/doc/refman/5.1/en/news-5-1-38.html


How to upgrade

Before any upgrade, you should make a backup of your existing MySQL databases. See Backing up your MySQL Databases in the MySQL User Guide for more information.

To upgrade the application, go to the Control Panel > System tab (if necessary, click on Select Another System (Subscription) and choose the correct subscription) > Applications > MySQL-5. Click on the name of the application, and then on Upgrade To Latest.



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