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On Thu, 22 Jul 2004, Christian Hammers wrote:
> I've just got the hint to build my packages with this option.
> Looks good (enabling ~64 instead of ~32 tables in a join) but
> I wonder why it isn't the default. Are there major performance
I guess there is some kind of performance penalty - however I can't tell
for sure if it's big. I have forwarded your question to our developers -
let's see what they have to say about that.
Another option that might be worth enabling is "-DBIG_TABLES" - that
enables you to use much more rows in a table. However, it too increases
some internal structures and thus requires more memory. We only enable it
for our "Max" binaries.
Lenz Grimmer <lenz@stripped>
Senior Production Engineer
MySQL GmbH, http://www.mysql.de/
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