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Importing dump of huge table takes forever since 5.6.15
Posted by: Thomas Mayerhofer
Date: January 10, 2014 07:43AM

Since upgrading to 5.6.15 from 5.1 importing dumps takes longer than i can wait. I recognized this during set up of the slave (I know ther would be other ways of setting up a slave, but this led to a basic problem).

When it comes to big tables (5 - 20 GB) the import slows down more and more (disk write speed of then ~100kb/sec).

In the dump all tables are surrounded of disable/enable keys. But nevertheless after a while - far before finishing importing of data - the .myi-file start growing.

Therfore I suspect, that the "disable keys" is ignored by some point.

Any ideas or similar experiences? It´s crucial to us, as for example the process of restore will not work and therefore the backup is useless.

Thanks a lot!

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Importing dump of huge table takes forever since 5.6.15
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January 10, 2014 07:43AM


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