Re: Protecting against unexpected zero-pages: proposal - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Protecting against unexpected zero-pages: proposal
Date
Msg-id 20421.1289345458@sss.pgh.pa.us
Whole thread Raw
In response to Re: Protecting against unexpected zero-pages: proposal  (Josh Berkus <josh@agliodbs.com>)
Responses Re: Rethinking hint bits WAS: Protecting against unexpected zero-pages: proposal
List pgsql-hackers
Josh Berkus <josh@agliodbs.com> writes:
>> Though incidentally all of the other items you mentioned are generic
>> problems caused by with MVCC, not hint bits.

> Yes, but the hint bits prevent us from implementing workarounds.

If we got rid of hint bits, we'd need workarounds for the ensuing
massive performance loss.  There is no reason whatsoever to imagine
that we'd come out ahead in the end.
        regards, tom lane


pgsql-hackers by date:

Previous
From: Terry Laurenzo
Date:
Subject: Re: patch: Add JSON datatype to PostgreSQL (GSoC, WIP)
Next
From: Tom Lane
Date:
Subject: Re: Protecting against unexpected zero-pages: proposal