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Re: pgsql: Disk-based Hash Aggregation. - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: pgsql: Disk-based Hash Aggregation.
Date
Msg-id 20200318232404.GA20407@alvherre.pgsql
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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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