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58 lines
1.9 KiB
Plaintext
58 lines
1.9 KiB
Plaintext
Notes about MySQL 5.1 package:
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==============================
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With MySQL 5.1 package we introduced some changes you may like to know. Most of
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them will affect you only if you are upgrading from previous version and you
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did some changes to your configuration.
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1) Plugins:
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===========
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One of the new features in MySQL 5.1 is support for plugins. So some of the
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storage engines are now shipped like that. You can use following plugins:
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- archive
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- blackhole
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- federated
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- example
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InnoDB is still compiled as internal part of MySQL. If you are upgrading from
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version 5.0 or if this is your first installation of MySQL 5.1, all plugins
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will be enabled by default and you can disable them manually later (see
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http://dev.mysql.com/doc/refman/5.1/en/uninstall-plugin.html).
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With this change you need to remove skip-federated option from your my.cnf file
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if you have changed it manually. This option was there by default in previous
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versions of MySQL.
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2) File locations:
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==================
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There were some changes in files locations. Most of them were made in the
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default configuration file so if you are experiencing problems and you have
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made some manual adjustments to your /etc/my.cnf, try to merge this file with
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/etc/my.cnf.rpmnew.
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File locations changes:
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- MySQL socket file and pid file were moved from /var/lib/mysql to more
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reasonable location ( /var/run/mysql ) by default.
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- MySQL log files are in /var/log/mysql.
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3) BerkeleyDB:
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==============
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MySQL no longer contains BerkeleyDB as storage engine. There is no fix for that
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and if you used it before, you have to migrate your data to different storage
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engine BEFORE updating. This can be done for example using following command:
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ALTER TABLE foo ENGINE = INNODB;
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4) MySQL Upgrade Log
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====================
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If you missed messages displayed during automatic MySQL database upgrade, you
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can find them from now on in
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/var/log/mysql/mysqld-upgrade.log
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