postgreSQL.conf has become zero byte file
Hi All,
In our production setup we found new issue as postgreSQL.conf has become zero byte file.
After some time we copied that file from some back up, after some time it has again become zero byte.
Any clue what is the reason of this behavior.
Regards
Tarkeshwar
On 11/16/2015 06:59 PM, M Tarkeshwar Rao wrote:
Hi All,
In our production setup we found new issue as postgreSQL.conf has become
zero byte file.After some time we copied that file from some back up, after some time
it has again become zero byte.Any clue what is the reason of this behavior.
I tend to doubt that Postgres is zeroing out its own conf file. My guess
is some other program/script is doing that. If you can narrow down the
time frame this happening, I would then look for any cron/scheduled jobs
that are running at the same time.
Regards
Tarkeshwar
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Adrian Klaver
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I agree with Adrian. If this is on a Linux system, I'd suggest setting up
"icrond" to monitor that file and at least record who is accessing it. In
addition, I would suggest that said Linux system run with SELinux in
"enforcing" mode. That can stop even "root" from updating something, if it
doesn't have the proper SELinux credentials.
On Mon, Nov 16, 2015 at 11:06 PM, Adrian Klaver <adrian.klaver@aklaver.com>
wrote:
On 11/16/2015 06:59 PM, M Tarkeshwar Rao wrote:
Hi All,
In our production setup we found new issue as postgreSQL.conf has become
zero byte file.After some time we copied that file from some back up, after some time
it has again become zero byte.Any clue what is the reason of this behavior.
I tend to doubt that Postgres is zeroing out its own conf file. My guess
is some other program/script is doing that. If you can narrow down the time
frame this happening, I would then look for any cron/scheduled jobs that
are running at the same time.Regards
Tarkeshwar
--
Adrian Klaver
adrian.klaver@aklaver.com--
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Schrodinger's backup: The condition of any backup is unknown until a
restore is attempted.
Yoda of Borg, we are. Futile, resistance is, yes. Assimilated, you will be.
He's about as useful as a wax frying pan.
10 to the 12th power microphones = 1 Megaphone
Maranatha! <><
John McKown
More importantly, what version of PostgreSQL and what O/S are you working
with.
If this is Ubuntu, you could simply be looking at the wrong postgresql.conf
file.
On Tue, Nov 17, 2015 at 7:33 AM, John McKown <john.archie.mckown@gmail.com>
wrote:
I agree with Adrian. If this is on a Linux system, I'd suggest setting up
"icrond" to monitor that file and at least record who is accessing it. In
addition, I would suggest that said Linux system run with SELinux in
"enforcing" mode. That can stop even "root" from updating something, if it
doesn't have the proper SELinux credentials.On Mon, Nov 16, 2015 at 11:06 PM, Adrian Klaver <adrian.klaver@aklaver.com
wrote:
On 11/16/2015 06:59 PM, M Tarkeshwar Rao wrote:
Hi All,
In our production setup we found new issue as postgreSQL.conf has become
zero byte file.After some time we copied that file from some back up, after some time
it has again become zero byte.Any clue what is the reason of this behavior.
I tend to doubt that Postgres is zeroing out its own conf file. My guess
is some other program/script is doing that. If you can narrow down the time
frame this happening, I would then look for any cron/scheduled jobs that
are running at the same time.Regards
Tarkeshwar
--
Adrian Klaver
adrian.klaver@aklaver.com--
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general--
Schrodinger's backup: The condition of any backup is unknown until a
restore is attempted.Yoda of Borg, we are. Futile, resistance is, yes. Assimilated, you will be.
He's about as useful as a wax frying pan.
10 to the 12th power microphones = 1 Megaphone
Maranatha! <><
John McKown
--
*Melvin Davidson*
I reserve the right to fantasize. Whether or not you
wish to share my fantasy is entirely up to you.