From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Jeff Davis <jdavis@postgresql.org>
Cc: pgsql-hackers@lists.postgresql.org
Subject: Re: pgsql: Disk-based Hash Aggregation.
Date: Wed, 18 Mar 2020 20:24:04 -0300
Message-ID: <20200318232404.GA20407@alvherre.pgsql> (raw)
In-Reply-To: <E1jEhaL-0002Ur-2L@gemulon.postgresql.org>
On 2020-Mar-18, Jeff Davis wrote:
> Disk-based Hash Aggregation.
>
> While performing hash aggregation, track memory usage when adding new
> groups to a hash table. If the memory usage exceeds work_mem, enter
> "spill mode".
Kudos!!
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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Subject: Re: pgsql: Disk-based Hash Aggregation.
In-Reply-To: <20200318232404.GA20407@alvherre.pgsql>
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