Re: pgbench -i order of vacuum

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
Cc: Amit Kapila <amit(dot)kapila(at)huawei(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pgbench -i order of vacuum
Date: 2012-07-20 16:26:44
Message-ID: 24263.1342801604@sss.pgh.pa.us
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Jeff Janes <jeff(dot)janes(at)gmail(dot)com> writes:
> On Fri, Jul 20, 2012 at 7:57 AM, Amit Kapila <amit(dot)kapila(at)huawei(dot)com> wrote:
>> The command it executes is "vacuum analyze ..", so it will do analyze also
>> on table which means
>> it will collect stats corresponding to table and index.

> Are there stats collected on indexes?

Only for expression indexes, which there aren't any of in the standard
pgbench scenario. I don't see a reason not to change the ordering
as you suggest.

regards, tom lane

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