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Re: Memory-Bounded Hash Aggregation - Mailing list pgsql-hackers

From Jeff Davis
Subject Re: Memory-Bounded Hash Aggregation
Date
Msg-id 8bf8d5f77db49cc1f032b6c7c0cfe0d6da89d64a.camel@j-davis.com
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In response to Re: Memory-Bounded Hash Aggregation  (Jeff Davis <pgsql@j-davis.com>)
Responses Re: Memory-Bounded Hash Aggregation  (Adam Lee <ali@pivotal.io>)
Re: Memory-Bounded Hash Aggregation  (Peter Geoghegan <pg@bowt.ie>)
Re: Memory-Bounded Hash Aggregation  (Jeff Davis <pgsql@j-davis.com>)
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On Mon, 2020-02-03 at 10:29 -0800, Jeff Davis wrote:
> I ended up converting the freelist to a min heap.
> 
> Attached is a patch which makes three changes to better support
> HashAgg:

And now I'm attaching another version of the main Hash Aggregation
patch to be applied on top of the logtape.c patch.

Not a lot of changes from the last version; mostly some cleanup and
rebasing. But it's faster now with the logtape.c changes.

Regards,
    Jeff Davis
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