Обсуждение: WARNING : pgstat wait timeout - Postgres 9.1
Hello,
I am facing a problem with pgstat as my subject says. I known, some topics are open about that, but I would like to go deeper.If we change the parameter stats_temp_directory is it necessary to reboot the server ?
On Thu, May 23, 2013 at 9:31 PM, Mathieu Guerin <mathieu.guerin64@gmail.com> wrote:
-- What are the consequences ? Because this file will be remove if the server reboot.
Those temporary statistics are stored in global directory when server shuts down, so the risk here would be to lose a portion of this data in the case of a crash, either at PG or at OS level.
If we change the parameter stats_temp_directory is it necessary to reboot the server ?
No, sending SIGHUP to the server is enough.
When I lauch a SHOW ALL; command, the parameter stats_temp_director is not here.
You should get it...
stats_temp_directory | pg_stat_tmp | Writes temporary statistics files to the specified directory.
stats_temp_directory | pg_stat_tmp | Writes temporary statistics files to the specified directory.
Michael
Hello,
Thanks a lot for your answers.
> You should get it...
> stats_temp_directory | pg_stat_tmp | Writes temporary statistics files to the specified directory.
Thanks a lot for your answers.
> You should get it...
> stats_temp_directory | pg_stat_tmp | Writes temporary statistics files to the specified directory.
I don't know why i don't get it. I am in 9.1 version...
If you have any ideas...
Thanks a lot.
Regards,
Math
Math
2013/5/24 Michael Paquier <michael.paquier@gmail.com>
--On Thu, May 23, 2013 at 9:31 PM, Mathieu Guerin <mathieu.guerin64@gmail.com> wrote:What are the consequences ? Because this file will be remove if the server reboot.Those temporary statistics are stored in global directory when server shuts down, so the risk here would be to lose a portion of this data in the case of a crash, either at PG or at OS level.If we change the parameter stats_temp_directory is it necessary to reboot the server ?No, sending SIGHUP to the server is enough.When I lauch a SHOW ALL; command, the parameter stats_temp_director is not here.You should get it...
stats_temp_directory | pg_stat_tmp | Writes temporary statistics files to the specified directory.
Michael
About the stats_temp_directory, I didn't run as root...
Now I'm sure the configurations are correct.
Thanks.
Math
2013/5/24 Mathieu Guerin <mathieu.guerin64@gmail.com>
Moreover, when I mount pg_stat_tmp in a tmpfs, the warning messages decrease the warning messages decrease from 1 each minutes to 1 each five secondes. I don't have any others logs warning but the file pg_stat.stat in the mounting point is not created... I tryed before on a test environment and it works...Hello,
Thanks a lot for your answers.
> You should get it...
> stats_temp_directory | pg_stat_tmp | Writes temporary statistics files to the specified directory.
I don't know why i don't get it. I am in 9.1 version...If you have any ideas...Thanks a lot.Regards,
Math2013/5/24 Michael Paquier <michael.paquier@gmail.com>--On Thu, May 23, 2013 at 9:31 PM, Mathieu Guerin <mathieu.guerin64@gmail.com> wrote:What are the consequences ? Because this file will be remove if the server reboot.Those temporary statistics are stored in global directory when server shuts down, so the risk here would be to lose a portion of this data in the case of a crash, either at PG or at OS level.If we change the parameter stats_temp_directory is it necessary to reboot the server ?No, sending SIGHUP to the server is enough.When I lauch a SHOW ALL; command, the parameter stats_temp_director is not here.You should get it...
stats_temp_directory | pg_stat_tmp | Writes temporary statistics files to the specified directory.
Michael