Re: a fast bloat measurement tool (was Re: Measuring relation free space)

From: Abhijit Menon-Sen <ams(at)2ndQuadrant(dot)com>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: a fast bloat measurement tool (was Re: Measuring relation free space)
Date: 2014-09-25 10:10:11
Message-ID: 20140925101011.GA15862@toroid.org
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At 2014-09-25 11:41:29 +0200, andres(at)2ndquadrant(dot)com wrote:
>
> I've not yet followed your premise that you actually need one that
> doesn't set hint bits...

Oh.

All right, then I'll post a version that addresses Amit's other points,
adds a new file/function to pgstattuple, acquires content locks, and
uses HeapTupleSatisfiesVacuum, hint-bit setting and all. Maybe I'll
call it not_too_slow_bloat().

Thank you for the feedback.

-- Abhijit

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