Re: MySQL 4.1 to 5.1 large scale upgrade
Posted by: Rick James
Date: April 02, 2011 12:00PM

I'm eager to hear how things turn out.

Have you considered splitting the tables among a thousand databases?

Consider switching to InnoDB, with innodb_file_per_table=OFF. Then all the tables would be in a single (big) ibdata1 file. If you decide to convert to InnoDB, read
And note that the disk space will be 2x-3x more.

Hmmm... Even with InnoDB, you will still have a million .frm files.

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Re: MySQL 4.1 to 5.1 large scale upgrade
April 02, 2011 12:00PM

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