Re: [HACKERS] Incomplete startup packet errors

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От Andrew Dunstan
Тема Re: [HACKERS] Incomplete startup packet errors
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Msg-id 7cc6d2c1-bd87-9890-259d-36739c247b6c@2ndQuadrant.com
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Ответ на Re: [HACKERS] Incomplete startup packet errors  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [HACKERS] Incomplete startup packet errors
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On 3/3/19 3:52 PM, Tom Lane wrote:
> I wrote:
>> Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
>>> Patch proposed by Christoph Berg is here:
>>> https://www.postgresql.org/message-id/20190228151336.GB7550%40msg.df7cb.de
>> Meh.  That doesn't silence only the zero-bytes case, and I'm also
>> rather afraid of the fact that it's changing COMMERROR to something
>> else.  I wonder whether (if client_min_messages <= DEBUG1) it could
>> result in trying to send the error message to the already-lost
>> connection.  It might be that that can't happen, but I think a fair
>> amount of rather subtle (and breakable) analysis may be needed.
> Concretely, what about doing the following instead?  This doesn't provide
> any mechanism for the DBA to adjust the logging behavior; but reducing
> log_min_messages to DEBUG1 would not be a very pleasant way to monitor for
> zero-data connections either, so I'm not that fussed about just dropping
> the message period for that case.  I kind of like that we no longer need
> the weird special case for SSLdone.
>
>             



Looks good to me.


cheers


andrew

-- 
Andrew Dunstan                https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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