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Performance problem during mysqldump backup
Posted by: Romain LAMAISON
Date: March 04, 2008 05:16AM

Hi,

when I'm backuping some big databases with mysqldump, I have performance problems on the server.

I tried to nice the mysqldump process but the fact is mysqldump calls a mysql process which is not niced.

Does anyone has an idea about this issue ? How to backup my databases without impacting the global performances ?

I looked on mysqlhotcopy which is a fast way (and not slowing performances a lot) to do backups but this generates binary files and I need to have text files. So if anyone knows how to convert binary files to text files, I can do something with it.

Thanks for your help.

Romain.

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