21 lines
915 B
YAML
21 lines
915 B
YAML
---
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features:
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- Enable innodb_file_per_table for MySQL/MariaDB databases
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upgrade:
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- |
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Newly created MySQL database tables will be stored in their own datafiles,
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instead of in a single monolithic ibdata file.
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- |
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Existing MySQL database tables that are persisted within the monolithic
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ibdata file will remain so unless the database is migrated as well.
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- |
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Migration of all current database tables out of the monolithic ibdata
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file is possible by dumping and restoring the whole database to a new data
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directory, however when using Galera the entire cluster must be shut
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down and upgraded at once.
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- |
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Migration of individual tables to datafiles is possible using the
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MySQL command "ALTER TABLE <databasename>.<tablename> ENGINE=InnoDB;",
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however this will not shrink the ibdata file and also is not safe to run
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on a running Galera cluster for large tables.
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