Question about autovacuum function autovac_balance_cost()

From: CNG L <congnanluo(at)gmail(dot)com>
To: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Question about autovacuum function autovac_balance_cost()
Date: 2019-01-08 21:29:49
Message-ID: CAJ3ejTw9WYFk6qkFX-5Hv8FxbcD2Mjtk3yn1g1ZET9H4FAVxVA@mail.gmail.com
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I am new to the autovacuum. After reading its code, I am still confusing
what is the autovac_balance_cost() and how the cost logic works to make the
autovacuum workers consume the I/O equially. Can anyone share some light on
it?

Thanks

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