From: Tom Lane <tgl@sss.pgh.pa.us>
To: Wells Oliver <wells.oliver@gmail.com>
Cc: pgsql-admin <pgsql-admin@postgresql.org>
Subject: Re: Gauging progress of COPY?
Date: Thu, 20 Jan 2022 13:13:18 -0500
Message-ID: <892470.1642702398@sss.pgh.pa.us> (raw)
In-Reply-To: <CAOC+FBXWEh2U8m6NFAhjv--YS8=1Mm4ae6UJyJSdzeRB6d3N-A@mail.gmail.com>
References: <CAOC+FBXWEh2U8m6NFAhjv--YS8=1Mm4ae6UJyJSdzeRB6d3N-A@mail.gmail.com>
Wells Oliver <wells.oliver@gmail.com> writes:
> Is there some clever way to gauge the progress of a COPY command? i.e. you
> know it has 10m rows, but you can't SELECT COUNT(*).
If it's a COPY IN (to a table) you could monitor growth of the
physical size of the table, cf pg_relation_size(). This isn't
terribly satisfactory if you're not clear on how much space each
row will take, but it's something.
regards, tom lane
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Subject: Re: Gauging progress of COPY?
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