Does anybody know of any issues when have a large (+1000) databases in
MySQL?
It will be running on RedHat 9. Would there be any problems running backups
with this many DBs on
one box?
Regards
Richard
----- Original Message -----
From: "Harald Fuchs" <nospam@stripped>
To: <mysql@stripped>
Sent: Thursday, September 18, 2003 12:15 PM
Subject: Re: mysqldump with innoDB
> In article <3F68FD43.9080708@stripped>,
> Daniel Kasak <dkasak@stripped> writes:
>
> > Paul DuBois wrote:
> >> If you have problems reloading the table due to the order
> >> in which the InnoDB tables appear in the dump files, add
> >>
> >> SET FOREIGN_KEY_CHECKS = 0;
> >>
> >> to the beginning of the file before reloading it.
> >>
> > Our backups are quick large - over 500 MB. Opening the file and adding
> > the above line at the top takes a lot of CPU time and memory - and
> > when I'm restoring, I don't have a lot of time...
>
> > Is there an easier way to get it there - can I 'cat' to the beginning
> > of a file, or should I make my backup scripts cat the output of
> > mysqldump to the end of a file with 'set foreign_key_check=0;' at the
> > top? Maybe we could have a switch for mysqldump that does this for us?
>
> Here's an excerpt from my backup script:
>
> for db in $DBNAMES; do
> ( echo "SET FOREIGN_KEY_CHECKS = 0;"
> echo ""
> mysqldump -u backup --opt $db
> echo "SET FOREIGN_KEY_CHECKS = 1;"
> ) | bzip2 >$date.$db.bz2
> done
>
>
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