Re: Change to 'timing on' globally

Balkrishna Sharma wrote:
>
> > I just tested it here on Ubuntu and it worked:I followed your steps and it worked in the way you indicated, on CentOS as well. But it still does not:a. work with psql -c "query" syntax. (Works in echo mode or in interactive mode.)b. it does not still seem to work if you fire the queries from a client box (in any mode - interactive or otherwise)ON SERVER I get:Timing is on. now------------------------------ 2010-07-06 11:06:13.16734-04(1 row)Time: 0.574 ms
>
> ON CLIENT I just get: now------------------------------- 2010-07-06 11:06:28.455395-04(1 row)
>
> ~~~~~~~~~~~~~~~~~~~~Basically I am firing a lot of psql through unix script on several client machines and a lot of the psql are hanging for some other reasons. I also need to capture the timing of each query. So I need timing to be on.
> Doing the following captures the timing but I don't know which psql statement is hanging when I do ps aux|grep psqlecho '\timing \\select * from ........' | psqlOn ps aux|grep psql I just see:> ps aux|grep psql2255 0.0 0.0 155636 1668 pts/1 S Jul05 0:00 psql3883 0.0 0.0 155636 1676 pts/1 S Jul05 0:00 psql4672 0.0 0.0 155636 1672 pts/1 S Jul05 0:00 psql4713 0.0 0.0 155636 1672 pts/1 S Jul05 0:00 psql4737 0.0 0.0 155636 1672 pts/1 S Jul05 0:00 psql4798 0.0 0.0 155636 1668 pts/1 S Jul05 0:00 psql5050 0.0 0.0 155636 1676 pts/1 S Jul05 0:00 psql5086 0.0 0.0 155636 1668 pts/1 S Jul05 0:00 psql5405 0.0 0.0 155636 1668 pts/1 S Jul05 0:00 psql7255 0.0 0.0 155644 1796 pts/1 S Jul05 0:00 psql
>
> psql -c 'select * from "DAPP".student_common_data where student_id = 1000 and field_id =1988;' does make the ps aux more informative but it does not capture the query timing. From what I understand you cannot mix ('timing + query') in "-c" mode.
> So trying to set 'timing on' outside the individual queries (and preferably outside the client machines) somewhere on the server so that psql -c on client would capture the timing automatically.

I think you need to look at postgresql.conf variables like
log_min_duration_statement, and you are right that psqlrc is only going
to be read for clients on the server machine, and only via psql.

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>
>
>
> > From: bruce(at)momjian(dot)us
> > Subject: Re: [ADMIN] Change to 'timing on' globally
> > To: b_ki(at)hotmail(dot)com
> > Date: Tue, 6 Jul 2010 10:48:48 -0400
> > CC: alvherre(at)commandprompt(dot)com; pgsql-admin(at)postgresql(dot)org
> >
> > Balkrishna Sharma wrote:
> > >
> > > Thanks. If I want to do at system-wide level, where do I store the
> > > psqlrc file (assuming I want to change the timing behavior system-wide)?
> >
> > > (CentOS 5, Postgres 8.4)
> > > $ ./pg_config --sysconfdir/opt/PostgreSQL/8.4/etc/postgresql
> >
> > > But I don't have /opt/PostgreSQL/8.4/etc/postgresql directory. Just
> > > creating the directory and putting a psqlrc file over there does not
> > > seem to work.
> >
> > I just tested it here on Ubuntu and it worked:
> >
> > $ sudo mkdir etc
> > $ sudo mkdir etc/postgresql
> > $ cd etc/postgresql/
> > $ sudo vi psqlrc
> > # add \echo test
> > $ pwd
> > /opt/PostgreSQL/8.4/etc/postgresql
> > $ ../../bin/psql -U postgres postgres
> > --> test
> > psql (8.4.2)
> > Type "help" for help.
> >
> > postgres=#
> >
> > > On a side-note, I observered that timing value in ~/.psqlrc was
> > > ignored by psql -c "..." command but not by echo "...."|psqlThought
> > > it was strange.
> >
> > Yeah, that is odd.
> >
> > --
> > Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
> > EnterpriseDB http://enterprisedb.com
> >
> > + None of us is going to be here forever. +
>
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--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ None of us is going to be here forever. +