Re: CLUSTER, reform_and_rewrite_tuple(), and parallelism - Mailing list pgsql-hackers

From Claudio Freire
Subject Re: CLUSTER, reform_and_rewrite_tuple(), and parallelism
Date
Msg-id CAGTBQpYb-nGKqPngyk=NOJY0bVDiHRYyBrMOpH6Xi2zfo2=MYw@mail.gmail.com
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In response to Re: CLUSTER, reform_and_rewrite_tuple(), and parallelism  (Peter Geoghegan <pg@heroku.com>)
List pgsql-hackers
On Wed, Oct 26, 2016 at 9:33 PM, Peter Geoghegan <pg@heroku.com> wrote:
> Besides, parallel CREATE INDEX alone will probably
> be quite effective at speeding up CLUSTER in practice, simply because
> that's often where most wall clock time is spent during a CLUSTER
> operation.

Creating all indexes in parallel could also help considerably, for the
case when there are multiple indexes, and seems far simpler.



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