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Re: hashagg slowdown due to spill changes - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: hashagg slowdown due to spill changes
Date
Msg-id 20200608201517.GA1156@alvherre.pgsql
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In response to hashagg slowdown due to spill changes  (Andres Freund <andres@anarazel.de>)
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On 2020-Jun-05, Andres Freund wrote:

> While preparing my pgcon talk I noticed that our hash-agg performance
> degraded noticeably. Looks to me like it's due to the spilling-hashagg
> changes.

Jeff, what are your thoughts on this?

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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