Re: [BUGS] BUG #1466: #maintenace_work_mem = 16384

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От Magnus Hagander
Тема Re: [BUGS] BUG #1466: #maintenace_work_mem = 16384
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Msg-id 6BCB9D8A16AC4241919521715F4D8BCE476913@algol.sollentuna.se
обсуждение исходный текст
Ответы was: BUG #1466: syslogger issues  (Andreas Pflug <pgadmin@pse-consulting.de>)
Re: [BUGS] BUG #1466: #maintenace_work_mem = 16384  (Bruce Momjian <pgman@candle.pha.pa.us>)
Re: [BUGS] BUG #1466: #maintenace_work_mem = 16384  (Tom Lane <tgl@sss.pgh.pa.us>)
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>>> The proposed test on Redirect_stderr looks pretty fishy too; for one
>>> thing it will almost certainly not be the right thing
>inside the stderr
>>> logger subprocess itself.
>
>> Could you explain further what the issue is there?
>
>Inside the logger subprocess, Redirect_stderr is guaranteed true (since
>it'll be inherited from the postmaster) and therefore the proposed
>change ensures that anything the logger might want to complain about
>goes to the original stderr, ie, into the bit bucket rather than
>someplace useful.  Perhaps something like
>
>    if ((!Redirect_stderr || am_syslogger) && pgwin32_is_service())
>
>would be reasonable.

<snip lots of others>

Here is an updated patch, that should take care of this. Tested that it
solves the problem reported.


>> There is special code in the send_message_to_server_log
>function to make
>> sure it's written directly to the file.
>
>If the logger is complaining, it's quite possibly because it's
>unable to
>write to its file.  Now that you mention it, doesn't this code go into
>infinite recursion if write_syslogger_file_binary() tries to ereport?
>

I haven't looked at this part, it appears a separate (but closely
related) issue.

Perhaps Andreas can comment on this?

//Magnus

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