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01.31.2008 at 12:52PM PST, ID: 23127780
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7.2

Advice on Innodb datafile sizes

Asked by vetrixicode in MySQL Server, Databases Miscellaneous

Tags: , ,

Hello.

Id like some advice regarding MySQL 5 innodb datafile sizes.

I have a DB containing 25 Gb of data (data + indexes), about 60 million rows.

What is best, to have one single datafile, or several? If several is best, whats the best datafile size? (I guess Ill have 100 Gb of data soon).

Can I configure MySQL to create an additional datafile automatically when needed? For example, I would like to have 4 Gb datafiles, and when the last datafile gets full, MySQL creates another 4 Gb datafile automatically. Is that possible?

What is the advantages and disadvantages of having one or several datafiles? Performance, backups?

Im moving this database to a CentOS 5.1 64bit system, 8 Gb RAM, 1 Tb HD.

Thank youStart Free Trial
[+][-]01.31.2008 at 01:35PM PST, ID: 20791443

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[+][-]02.01.2008 at 09:45AM PST, ID: 20798785

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[+][-]02.05.2008 at 08:28AM PST, ID: 20824290

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[+][-]02.05.2008 at 09:12AM PST, ID: 20824762

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[+][-]02.06.2008 at 07:50AM PST, ID: 20832927

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[+][-]02.06.2008 at 08:22AM PST, ID: 20833271

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About this solution

Zones: MySQL Server, Databases Miscellaneous
Tags: MySQL AB, MySQL, 5
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Solution Provided By: Squinky
Participating Experts: 2
Solution Grade: B
 
 
 
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