From imartinez@vectorsf.com Mon Jun  27 11:41:06 2011
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Subject: Urgent! Log full with inexistent PID processes
From: =?ISO-8859-1?Q?I=F1igo?= Martinez Lasala <imartinez@vectorsf.com>
To: pgsql-admin@postgresql.org
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Hi everybody.

We have a postgres 8.4.5-2 database under Debian Lenny 64bit.
This database has been working without any problem, but this afternoon
server has got out of space due to a log dump.

Log file gets full with this entry until it reaches several gigabytes:

2011-06-27 13:25:07 CEST LOG:  PID 21822 in cancel request did not match
any process
2011-06-27 13:25:07 CEST LOG:  PID 21821 in cancel request did not match
any process
2011-06-27 13:25:07 CEST LOG:  PID 21820 in cancel request did not match
any process
2011-06-27 13:25:07 CEST LOG:  PID 21816 in cancel request did not match
any process
2011-06-27 13:25:07 CEST LOG:  PID 21802 in cancel request did not match
any process


Of course, we have restarted postmaster and rebooted machine but problem
remains.

Any clue about this?

pg_hba only allows connection from localhost and, of course, there are
no processes with these PIDs in the server... 

Thanks in advance.  

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Hi everybody.<BR>
<BR>
We have a postgres 8.4.5-2 database under Debian Lenny 64bit.<BR>
This database has been working without any problem, but this afternoon server has got out of space due to a log dump.<BR>
<BR>
Log file gets full with this entry until it reaches several gigabytes:<BR>
<BR>
2011-06-27 13:25:07 CEST LOG:&nbsp; PID 21822 in cancel request did not match any process<BR>
2011-06-27 13:25:07 CEST LOG:&nbsp; PID 21821 in cancel request did not match any process<BR>
2011-06-27 13:25:07 CEST LOG:&nbsp; PID 21820 in cancel request did not match any process<BR>
2011-06-27 13:25:07 CEST LOG:&nbsp; PID 21816 in cancel request did not match any process<BR>
2011-06-27 13:25:07 CEST LOG:&nbsp; PID 21802 in cancel request did not match any process<BR>
<BR>
<BR>
Of course, we have restarted postmaster and rebooted machine but problem remains.<BR>
<BR>
Any clue about this?<BR>
<BR>
pg_hba only allows connection from localhost and, of course, there are no processes with these PIDs in the server... <BR>
<BR>
Thanks in advance.&nbsp; 
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From adarsh.sharma@orkash.com Mon Jun  27 12:25:57 2011
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Date: Mon, 27 Jun 2011 17:55:44 +0530
From: Adarsh Sharma <adarsh.sharma@orkash.com>
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Subject: Re: Urgent! Log full with inexistent PID processes
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Iñigo Martinez Lasala wrote:
> Hi everybody.
>
> We have a postgres 8.4.5-2 database under Debian Lenny 64bit.
> This database has been working without any problem, but this afternoon 
> server has got out of space due to a log dump.
>
> Log file gets full with this entry until it reaches several gigabytes:
>
> 2011-06-27 13:25:07 CEST LOG:  PID 21822 in cancel request did not 
> match any process
> 2011-06-27 13:25:07 CEST LOG:  PID 21821 in cancel request did not 
> match any process
> 2011-06-27 13:25:07 CEST LOG:  PID 21820 in cancel request did not 
> match any process
> 2011-06-27 13:25:07 CEST LOG:  PID 21816 in cancel request did not 
> match any process
> 2011-06-27 13:25:07 CEST LOG:  PID 21802 in cancel request did not 
> match any process
>
>
First check the space occupied by pg_log directory.
Just delete the previous logs that are 1 month older.
rm -rf pg_log******


> Of course, we have restarted postmaster and rebooted machine but 
> problem remains.
>
> Any clue about this?
>
> pg_hba only allows connection from localhost and, of course, there are 
> no processes with these PIDs in the server...
>
> Thanks in advance.  


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<br>
<br>
Iñigo Martinez Lasala wrote:
<blockquote cite="mid:1309174277.5158.30.camel@deimos" type="cite">
  <meta http-equiv="Content-Type" content="text/html; ">
  <meta name="GENERATOR" content="GtkHTML/3.32.2">
Hi everybody.<br>
  <br>
We have a postgres 8.4.5-2 database under Debian Lenny 64bit.<br>
This database has been working without any problem, but this afternoon
server has got out of space due to a log dump.<br>
  <br>
Log file gets full with this entry until it reaches several gigabytes:<br>
  <br>
2011-06-27 13:25:07 CEST LOG:  PID 21822 in cancel request did not
match any process<br>
2011-06-27 13:25:07 CEST LOG:  PID 21821 in cancel request did not
match any process<br>
2011-06-27 13:25:07 CEST LOG:  PID 21820 in cancel request did not
match any process<br>
2011-06-27 13:25:07 CEST LOG:  PID 21816 in cancel request did not
match any process<br>
2011-06-27 13:25:07 CEST LOG:  PID 21802 in cancel request did not
match any process<br>
  <br>
  <br>
</blockquote>
First check the space occupied by pg_log directory.<br>
Just delete the previous logs that are 1 month older.<br>
rm -rf pg_log******<br>
<br>
<br>
<blockquote cite="mid:1309174277.5158.30.camel@deimos" type="cite">Of
course, we have restarted postmaster and rebooted machine but problem
remains.<br>
  <br>
Any clue about this?<br>
  <br>
pg_hba only allows connection from localhost and, of course, there are
no processes with these PIDs in the server... <br>
  <br>
Thanks in advance.  </blockquote>
<br>
</body>
</html>

--------------030009020105010509000200--



From fweimer@bfk.de Mon Jun  27 13:40:59 2011
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From: Florian Weimer <fweimer@bfk.de>
To: =?iso-8859-1?Q?I=F1igo?= Martinez Lasala <imartinez@vectorsf.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: Urgent! Log full with inexistent PID processes
References: <1309174277.5158.30.camel@deimos>
Date: Mon, 27 Jun 2011 13:40:49 +0000
In-Reply-To: <1309174277.5158.30.camel@deimos> (=?iso-8859-1?Q?=22I=F1igo?=
	Martinez Lasala"'s message of "Mon, 27 Jun 2011 13:31:17 +0200")
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* I=F1igo Martinez Lasala:

> Any clue about this?

There is a misbehaving client which tries to issue broken cancel
requests.  You need to find it.

> pg_hba only allows connection from localhost and, of course, there are
> no processes with these PIDs in the server...=20

Do you use TCP or UNIX domain sockets for the database connections?

--=20
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstra=DFe 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99



From imartinez@vectorsf.com Tue Jun  28 09:20:30 2011
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Subject: Re: Urgent! Log full with inexistent PID processes
From: =?ISO-8859-1?Q?I=F1igo?= Martinez Lasala <imartinez@vectorsf.com>
To: Florian Weimer <fweimer@bfk.de>
Cc: pgsql-admin@postgresql.org
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Hi Florian.

There is are no connections to DB. Only app using database is a web app
that has been stopped also.

-----Original Message-----
From: Florian Weimer <fweimer@bfk.de>
To: Iñigo Martinez Lasala <imartinez@vectorsf.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: [ADMIN] Urgent! Log full with inexistent PID processes
Date: Mon, 27 Jun 2011 13:40:49 +0000


* Iñigo Martinez Lasala:

> Any clue about this?

There is a misbehaving client which tries to issue broken cancel
requests.  You need to find it.

> pg_hba only allows connection from localhost and, of course, there are
> no processes with these PIDs in the server... 

Do you use TCP or UNIX domain sockets for the database connections?


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Hi Florian.<BR>
<BR>
There is are no connections to DB. Only app using database is a web app that has been stopped also.<BR>
<BR>
-----Original Message-----<BR>
<B>From</B>: Florian Weimer &lt;<A HREF="mailto:Florian%20Weimer%20%3cfweimer@bfk.de%3e">fweimer@bfk.de</A>&gt;<BR>
<B>To</B>: I&#241;igo Martinez Lasala &lt;<A HREF="mailto:%3d%3fISO-8859-1%3fQ%3fI%3dF1igo%3f%3d%20Martinez%20Lasala%20%3cimartinez@vectorsf.com%3e">imartinez@vectorsf.com</A>&gt;<BR>
<B>Cc</B>: <A HREF="mailto:pgsql-admin@postgresql.org">pgsql-admin@postgresql.org</A><BR>
<B>Subject</B>: Re: [ADMIN] Urgent! Log full with inexistent PID processes<BR>
<B>Date</B>: Mon, 27 Jun 2011 13:40:49 +0000<BR>
<BR>
<PRE>
* I&#241;igo Martinez Lasala:

&gt; Any clue about this?

There is a misbehaving client which tries to issue broken cancel
requests.  You need to find it.

&gt; pg_hba only allows connection from localhost and, of course, there are
&gt; no processes with these PIDs in the server... 

Do you use TCP or UNIX domain sockets for the database connections?

</PRE>
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From fweimer@bfk.de Tue Jun  28 09:25:34 2011
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From: Florian Weimer <fweimer@bfk.de>
To: =?iso-8859-1?Q?I=F1igo?= Martinez Lasala <imartinez@vectorsf.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: Urgent! Log full with inexistent PID processes
References: <1309174277.5158.30.camel@deimos> <82tybbs87y.fsf@mid.bfk.de>
	<1309252818.5158.84.camel@deimos>
Date: Tue, 28 Jun 2011 09:25:26 +0000
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* I=F1igo Martinez Lasala:

> There is are no connections to DB. Only app using database is a web app
> that has been stopped also.

Uh-oh.  Can you "strace -f" the postmaster?  Surely something is
connecting to it.

--=20
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstra=DFe 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99



From imartinez@vectorsf.com Tue Jun  28 09:38:59 2011
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Subject: Re: Urgent! Log full with inexistent PID processes
From: =?ISO-8859-1?Q?I=F1igo?= Martinez Lasala <imartinez@vectorsf.com>
To: Florian Weimer <fweimer@bfk.de>
Cc: pgsql-admin@postgresql.org
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You are my man, bud. :)

A remote server was launching a process against this database. We had
limited access via pg_hba.conf (or at least we thought access was
limited). Since a database admin was modifiying config in paralell with
me, we have a mess with config and so access restriction was not
applying.

Thank you very mucho.

-----Original Message-----
From: Florian Weimer <fweimer@bfk.de>
To: Iñigo Martinez Lasala <imartinez@vectorsf.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: [ADMIN] Urgent! Log full with inexistent PID processes
Date: Tue, 28 Jun 2011 09:25:26 +0000


* Iñigo Martinez Lasala:

> There is are no connections to DB. Only app using database is a web app
> that has been stopped also.

Uh-oh.  Can you "strace -f" the postmaster?  Surely something is
connecting to it.




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You are my man, bud. :)<BR>
<BR>
A remote server was launching a process against this database. We had limited access via pg_hba.conf (or at least we thought access was limited). Since a database admin was modifiying config in paralell with me, we have a mess with config and so access restriction was not applying.<BR>
<BR>
Thank you very mucho.<BR>
<BR>
-----Original Message-----<BR>
<B>From</B>: Florian Weimer &lt;<A HREF="mailto:Florian%20Weimer%20%3cfweimer@bfk.de%3e">fweimer@bfk.de</A>&gt;<BR>
<B>To</B>: I&#241;igo Martinez Lasala &lt;<A HREF="mailto:%3d%3fISO-8859-1%3fQ%3fI%3dF1igo%3f%3d%20Martinez%20Lasala%20%3cimartinez@vectorsf.com%3e">imartinez@vectorsf.com</A>&gt;<BR>
<B>Cc</B>: <A HREF="mailto:pgsql-admin@postgresql.org">pgsql-admin@postgresql.org</A><BR>
<B>Subject</B>: Re: [ADMIN] Urgent! Log full with inexistent PID processes<BR>
<B>Date</B>: Tue, 28 Jun 2011 09:25:26 +0000<BR>
<BR>
<PRE>
* I&#241;igo Martinez Lasala:

&gt; There is are no connections to DB. Only app using database is a web app
&gt; that has been stopped also.

Uh-oh.  Can you &quot;strace -f&quot; the postmaster?  Surely something is
connecting to it.

</PRE>
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