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Re: [PERFORM] scalability issues on win32

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
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: 2004-12-03 02:11:30
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers-win32

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
>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.

How is it that this has not bitten us elsewhere? Are we only reading 
tiny things from pipes in other cases so that a single read works? It 
seems very strange that a shorter version string should cause the failure.



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