Re: Proposed Windows-specific change: Enable crash dumps (like core files)

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Proposed Windows-specific change: Enable crash dumps (like core files)
Date: 2010-10-04 12:06:26
Message-ID: 4CA9C342.70501@dunslane.net
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On 10/04/2010 07:50 AM, Craig Ringer wrote:
>
> - If the crash dump handler is enabled by setting the GUC,
> all backends register the handler during startup or (if it
> proves practical) when the GUC is changed.
>
> - When the handler is triggered by the OS trapping an unhandled
> exception, it loads dbghelp.dll, writes the appropriate dump
> format to the hardcoded path, and terminates the process.
>
>

What is the performance impact of doing that? Specifically, how does it
affect backend startup time?

cheers

andrew

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