Re: encoding names - Mailing list pgsql-hackers

From Tatsuo Ishii
Subject Re: encoding names
Date
Msg-id 20010818154645Y.t-ishii@sra.co.jp
Whole thread Raw
In response to Re: encoding names  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
> But is it really important?  All Unixen that I know of handle process
> text segments on a page-by-page basis; pages that aren't actually being
> touched won't get swapped in.  Thus, the unused maps will just sit on
> disk, whether they are part of the main executable or a separate file.
> I doubt there's any real performance gain to be had by making the maps
> dynamically loadable.

I did some testing on my Linux box (kernel 2.2) and confirmed that no
performance drgration was found with unicode-conversion-enabled
postgres. This proves that your theory is correct at least on Linux.

Ok, I will make the unicode conversion functionality as a default if
--enable-multibyte is on.
--
Tatsuo Ishii


pgsql-hackers by date:

Previous
From: "Marc G. Fournier"
Date:
Subject: Re: CVS access lost
Next
From: Peter Eisentraut
Date:
Subject: Re: Progress report on locale safe LIKE indexing