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: Thu, 16 Dec 2004 19:25:14 -0500 (EST)
- Message-id: <200412170025(dot)iBH0PEa04860(at)candle(dot)pha(dot)pa(dot)us>
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
>
>
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--
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