From: Tom Lane <tgl@sss.pgh.pa.us>
To: rajan <vgmonnet@gmail.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: Re: vacuum full is not reclaiming the space and showing non-removable rows
Date: Sun, 20 Nov 2016 11:32:14 -0500
Message-ID: <18017.1479659534@sss.pgh.pa.us> (raw)
In-Reply-To: <1479624293126-5931145.post@n3.nabble.com>
References: <1479470449084-5930937.post@n3.nabble.com>
<19337.1479484872@sss.pgh.pa.us>
<1479624293126-5931145.post@n3.nabble.com>
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rajan <vgmonnet@gmail.com> writes:
> Restarting the DB and running vacuum again did recover some space. But still
> there are dead rows.
> vacuum full verbose chnges_23_21;
> INFO: vacuuming "public.chnges_23_21"
> INFO: "chnges_23_21": found 8436850 removable, 239750 nonremovable row
> versions in 89460 pages
> DETAIL: 0 dead row versions cannot be removed yet.
No, you're misreading it. It deleted 8436850 rows, and 239750 live rows
remain. We can tell they're all live because there are 0 dead-but-not-
removable rows. So you're good now.
regards, tom lane
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To: pgsql-admin@postgresql.org
Cc: tgl@sss.pgh.pa.us, vgmonnet@gmail.com
Subject: Re: Re: vacuum full is not reclaiming the space and showing non-removable rows
In-Reply-To: <18017.1479659534@sss.pgh.pa.us>
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