Re: Threaded Sorting - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Threaded Sorting
Date
Msg-id 200210050353.g953rbd00249@candle.pha.pa.us
Whole thread Raw
In response to Re: Threaded Sorting  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Tom Lane wrote:
> >> ...  But ISTM that if this makes sense for
> >> our internal temp files, it makes sense for user-created temp tables
> >> as well.
> 
> > Yes, I was thinking that, but of course, those are real tables, rather
> > than just files.  Not sure how clean it will be to mix those in the same
> > directory.  We haven't in the past.  Is it a good idea?
> 
> Sure we have --- up till recently, pg_temp files just lived in the
> database directory.  I think it was you that added the pg_temp
> subdirectory, and the reason you did it was to let people symlink the
> temp files to someplace else.  But that's just a zeroth-order
> approximation to providing a tablespace facility for these things.

OK, TODO updated:
* Allow sorting, temp files, temp tables to use multiple workdirectories  

FYI, I originally created that directory so a postmaster startup could
clear that dir.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: [GENERAL] Small patch for PL/Perl Misbehavior with Runtime Error Reporting
Next
From: Tom Lane
Date:
Subject: Re: Potential Large Performance Gain in WAL synching