| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Jeff Davis <jdavis(at)postgresql(dot)org> |
| Cc: | pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: pgsql: Disk-based Hash Aggregation. |
| Date: | 2020-03-18 23:24:04 |
| Message-ID: | 20200318232404.GA20407@alvherre.pgsql |
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| Lists: | pgsql-committers pgsql-hackers |
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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