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Re: Capturing vacuum output

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Rickard <David(dot)Rickard(at)GTScompanies(dot)com>
Cc: pgsql-novice(at)postgresql(dot)org,Judith Strawser <judiths(at)GTScompanies(dot)com>,Don Walters <dwalters(at)GTScompanies(dot)com>
Subject: Re: Capturing vacuum output
Date: 2003-10-29 22:35:05
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-novice
David Rickard <David(dot)Rickard(at)GTScompanies(dot)com> writes:
> all that gets captured is the backend database commands--VACUUM <dbname> 
> etc; thinking that the verbose output was going to something besides 
> stdout, we tried

>          vacuumdb -a -f -z -v 2> ${pg_log}/vaclog.log

> and got the error message: "cannot vacuum all databases and a specific one 
> at the same time";
> To what I/O stream does the verbose output get written, and how can we 
> capture it?

It goes to stderr.  The above command looks okay to me; perhaps you need
to get rid of the spaces between 2> and the target file.  It sounds like
vacuumdb thinks it is seeing an additional command-line argument besides
the switches.

			regards, tom lane

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