On 2/28/23 19:25, Justin Pryzby wrote:
> On Tue, Feb 28, 2023 at 07:06:43PM +0100, Jehan-Guillaume de Rorthais wrote:
>> Hello all,
>>
>> A customer is facing out of memory query which looks similar to this situation:
>>
>> https://www.postgresql.org/message-id/flat/12064.1555298699%40sss.pgh.pa.us#eb519865575bbc549007878a5fb7219b
>>
>> This PostgreSQL version is 11.18. Some settings:
>
> hash joins could exceed work_mem until v13:
>
> |Allow hash aggregation to use disk storage for large aggregation result
> |sets (Jeff Davis)
> |
That's hash aggregate, not hash join.
regards
--
Tomas Vondra
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