Re: WAL prefetch - Mailing list pgsql-hackers

From Thomas Munro
Subject Re: WAL prefetch
Date
Msg-id CAEepm=0fZ02c0ZaU9h-y1rn+QzZWHh=mVHfk0D1vLr0S+Ns6Yw@mail.gmail.com
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In response to WAL prefetch  (Konstantin Knizhnik <k.knizhnik@postgrespro.ru>)
Responses Re: WAL prefetch
List pgsql-hackers
On Thu, Jun 14, 2018 at 1:09 AM, Konstantin Knizhnik
<k.knizhnik@postgrespro.ru> wrote:
> pg_wal_prefetch function will infinitely traverse WAL and prefetch block
> references in WAL records
> using posix_fadvise(WILLNEED) system call.

Hi Konstantin,

Why stop at the page cache...  what about shared buffers?

-- 
Thomas Munro
http://www.enterprisedb.com


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