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Re: Extended Prefetching using Asynchronous IO - proposal and patch - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: Extended Prefetching using Asynchronous IO - proposal and patch
Date
Msg-id CAM3SWZQ5LwW-1kP52Faza6JSsXbw9FSMLoXqV+7nD9zVVistzQ@mail.gmail.com
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In response to Re: Extended Prefetching using Asynchronous IO - proposal and patch  (Claudio Freire <klaussfreire@gmail.com>)
Responses Re: Extended Prefetching using Asynchronous IO - proposal and patch  (John Lumby <johnlumby@hotmail.com>)
Re: Extended Prefetching using Asynchronous IO - proposal and patch  (Claudio Freire <klaussfreire@gmail.com>)
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On Wed, May 28, 2014 at 5:59 PM, Claudio Freire <klaussfreire@gmail.com> wrote:
> For nestloop, correct me if I'm wrong, but index scan nodes don't have
> visibility of the next tuple to be searched for.

Nested loop joins are considered a particularly compelling case for
prefetching, actually.

-- 
Peter Geoghegan

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