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In new MySQL versions Barracuda file format was introduced. So I havew a few questions:

  • Is it working only with file_per_table option?
  • How to switch existing system to it (preferably the whole tablespace) other than by reimporting everything from mysqldump backup on empty server?
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i'd say - if this data has any value to you; take a full mysqldump before proceeding no matter what. – pQd Apr 10 '11 at 20:37
up vote 1 down vote accepted

You are better off doing the mysqldump and reimporting

Take a Look at This File Format Issue
Here is another issue
Here is a more recent article from DatabaseJournal

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FYI, those top two bulleted issues have since been fixed. – Garen Jul 30 '12 at 2:53
If you have an update please post a new answer to this question – RolandoMySQLDBA Jul 30 '12 at 2:54

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