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Re: [GENERAL] Query Using Massive Temp Space - Mailing list pgsql-general

From Laurenz Albe
Subject Re: [GENERAL] Query Using Massive Temp Space
Date
Msg-id 1511161692.2567.5.camel@cybertec.at
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In response to [GENERAL] Query Using Massive Temp Space  (Cory Tucker <cory.tucker@gmail.com>)
Responses Re: [GENERAL] Query Using Massive Temp Space
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Cory Tucker wrote:
> I have a query that is using a tremendous amount of temp disk space given the overall size of the dataset.
> I'd love for someone to try to explain what PG is doing and why its using so much space for the query.

It could be a sort or a hash operation.

Do determine what is going on, EXPLAIN (ANALYZE, BUFFERS) output
would be useful.

Yours,
Laurenz Albe


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