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Re: [PERFORM] scalability issues on win32

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Claudio Natoli <claudio(dot)natoli(at)memetrics(dot)com>
Cc: "'Merlin Moncure'" <merlin(dot)moncure(at)rcsonline(dot)com>,Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>,Win 32 hackers PGSQL <pgsql-hackers-win32(at)postgresql(dot)org>
Subject: Re: [PERFORM] scalability issues on win32
Date: 2004-12-17 00:25:14
Message-ID: 200412170025.iBH0PEa04860@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers-win32
Claudio, I need this completed so we can get it into CVS.  Without it a
8.0.0 version string will fail to compare.

---------------------------------------------------------------------------

Claudio Natoli wrote:
> 
> Hi Merlin,
> 
> > On a probably unrelated note:
> > Can some other win32 hacker try the following?
> > Download the latest cvs sources from the server and edit configure,
> > replacing all instances of '8.0beta5' with '8.0' etc. as is 
> > will be when released.  Following that do a full make/make clean.  After 
> > that try and start he server with pg_ctl.exe and tell me if it succeeds or
> not.
> 
> I can confirm this failure.
> 
> (in my case at least) pg_ctl is not seeing the full version string of the
> postmaster in find_other_exec. This is due to the single call to ReadFile in
> pipe_read_line, which is not returning the entire version string (losing all
> characters beyond the last decimal point in the version string). A
> subsequent call to ReadFile picks up the remainder of the string. I don't
> see that we can rely on a single call returning the entire version string.
> 
> If someone can run with this, I've attached initial looping changes for
> pipe_read_line. However I'm not sure of the correct terminating condition
> (gets into a call to ReadFile that never returns; the WaitForSingleObject
> appears insufficient as a precondition for ReadFile) and just don't have
> time to complete it right now.
> 
> Cheers,
> Claudio
> 
> 

[ Attachment, skipping... ]

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-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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