Re: Multibyte or not?

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От Barry Lind
Тема Re: Multibyte or not?
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Msg-id 3C609604.10807@xythos.com
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Ответ на Multibyte or not?  (Chantal Ackermann <chantal.ackermann@web.de>)
Ответы Re: Multibyte or not?
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Chantal,

If you are using the 7.2 jdbc driver, you would only need to have
multibyte support compiled into the server if you wanted to store
multibyte characters.

--Barry

Chantal Ackermann wrote:
> Hello all,
>
> at the mysql-admin list I found a posting that says a non-multibyte built of
> the database would be faster than a multibyte one. My question is - do I
> always need a multibyte built if I plan to access the db with jdbc or do i
> only need it if the data is non-ascii? i know that java uses unicode but does
> that really matter unless I want to enter non-ascii letters?
>
> actually this came to my mind when I was in search for some tuning hints. I
> don't think this is the right place to ask this (would 'psql-admin' be that?)
> - but maybe one of you had similar problems?
> I am doing a lot of checking and inserting at runtime. while the java thread
> holds ~38Mb (~500Mb) it uses only 1.7% CPU (~900Hz). postgresql uses less
> than 4Mb at more than 90% CPU. I already doubled the effective cache size to
> be '2000' but that did not change anything.
>
> I wonder if the postgres would be faster if it would use more RAM. or is this
> the bottle neck's end (unless I get a better CPU)?
>
> thank you
> Chantal
>
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