Re: BUG #14054: "create index using gist ..." on large table never completes.

From: Emre Hasegeli <emre(at)hasegeli(dot)com>
To: tsingle(at)muddypaddock(dot)com
Cc: PostgreSQL Bugs <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: BUG #14054: "create index using gist ..." on large table never completes.
Date: 2016-04-05 07:18:22
Message-ID: CAE2gYzzWjQdMgOKAMtMhgjODMPCWNcK-0LbJvTtSUjSxfB1oBw@mail.gmail.com
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> Had previously tried same experiment with 9.2.3 on a Linux box where the 100
> million row table's index built within 5 hours.

It finished in an hour on my laptop for serially generated 100 million
rows. I guess the regression is caused by too many overlapping
values. GiST doesn't tend to perform well in this case. I would give
SP-GiST a try.

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