pgbench initialize

From: Anirudh Jayakumar <jayakumar(dot)anirudh(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: pgbench initialize
Date: 2016-12-15 22:16:26
Message-ID: CANow3z1oqONrDPZR87ZDZ8j6bcdTk7Y75H18yMiwdKiDeLRPBA@mail.gmail.com
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Hi,

I have a couple of questions regarding pgbench. I'm new to PostgreSQL and
databases in general, so these might be very trivial questions.

1. Is it necessary to initialize pgbench(-i option) before every run to get
consistent results?

2. The vacuuming process after initialize consumes time, what are the ill
effects of disabling post-initialize vacuuming?

Thanks,
Anirudh

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