Multibyte or not?

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От Chantal Ackermann
Тема Multibyte or not?
Дата
Msg-id 02022713335705.22209@guffert
обсуждение исходный текст
Ответы Re: Multibyte or not?  ("Dave Cramer" <Dave@micro-automation.net>)
Список pgsql-jdbc
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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