Is it bad to have a very full hard drive on a high traffic database server?

Posted by MikeN on Server Fault See other posts from Server Fault or by MikeN
Published on 2012-08-31T18:43:28Z Indexed on 2012/08/31 21:39 UTC
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ubuntu

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mysql

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hard-drive

Running an Ubuntu server with MySQL for a high traffic production database server. Nothing else is running on the machine except the MySQL instance.

We store daily database backups on the DB server, is there any performance hit or reason why we should keep the hard disk relatively empty? If the disk is filled up to 86%+ with the database and all of the backups, does it hurt performance at all?

So would the DB server running with 86-90%+ full capacity perform less well in any way than the server running with only a 10% full disk?

The total disk size on the server is over 1 TB so even 10% of the disk should be enough for basic O/S swapping and such.

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