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Re: WAL being written during SELECT * query

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Subject: Re: WAL being written during SELECT * query
From: "David G. Johnston" <david.g.johnston@xxxxxxxxx>
Date: Thu, 6 Apr 2017 09:30:27 -0700
Cc: Scott Marlowe <scott.marlowe@xxxxxxxxx>, pgsql-general <pgsql-general@xxxxxxxxxxxxxx>
In-reply-to: <CAK77FCRBzm-TNDJpBKERHVHGNMWi_Vm7iJnAsu88pj5aaWYihg@mail.gmail.com>
References: <CAK77FCSmrzOA7He_g8Gv48Z4krfDW-H5rqe4Z4ApTKk5GFt_6g@mail.gmail.com> <CAOR=d=1jqvdDsfaUhuqyDDDy7WhSt6x=k5S04fTYfdUBkTz8ag@mail.gmail.com> <CAK77FCRBzm-TNDJpBKERHVHGNMWi_Vm7iJnAsu88pj5aaWYihg@mail.gmail.com>

On Thu, Apr 6, 2017 at 8:51 AM, Tom DalPozzo <t.dalpozzo@xxxxxxxxx> wrote:

What is the meaning of FPI_FOR_HINT?

Full Page Image for Hint [Bits]

Its noted as being dependent upon checksums being enabled.

I have a feel for the interactions involved here but not enough to explain them in detail.

David J.

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References:
- WAL being written during SELECT * query
  - From: Tom DalPozzo
- Re: WAL being written during SELECT * query
  - From: Scott Marlowe
- Re: WAL being written during SELECT * query
  - From: Tom DalPozzo

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