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Re: avoid bloat from CREATE INDEX CONCURRENTLY

From:	Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To:	Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
Cc:	Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject:	Re: avoid bloat from CREATE INDEX CONCURRENTLY
Date:	2017-02-28 13:05:16
Message-ID:	1884.1488287116@sss.pgh.pa.us
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Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> This patch reduces the amount of bloat you get from running CREATE INDEX
> CONCURRENTLY by destroying the snapshot taken in the first phase, before
> entering the second phase. This allows the global xmin to advance,

Um ... isn't there a transaction boundary there anyway?

regards, tom lane

In response to

avoid bloat from CREATE INDEX CONCURRENTLY at 2017-02-28 05:23:02 from Alvaro Herrera

Responses

Re: avoid bloat from CREATE INDEX CONCURRENTLY at 2017-02-28 13:23:05 from Simon Riggs

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