Re: Eliminating PD_ALL_VISIBLE, take 2

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Robins <robins(at)pobox(dot)com>
Cc: Jeff Davis <pgsql(at)j-davis(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Eliminating PD_ALL_VISIBLE, take 2
Date: 2013-07-01 02:58:33
Message-ID: CA+TgmobkjDU4xY2nzVb9pTnSRSskPrMmY9kuX2NbCnygkAHhCQ@mail.gmail.com
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On Sat, Jun 29, 2013 at 11:24 AM, Robins <robins(at)pobox(dot)com> wrote:
> On 10 June 2013 00:17, Jeff Davis <pgsql(at)j-davis(dot)com> wrote:
>>
>> On Thu, 2013-05-30 at 10:07 -0700, Jeff Davis wrote:
>> > > Come to think of it, even without the torn page & checksum issue, do
>> > > we
>> > > really want to actively clear the all-visible flags after upgrade?
>>
>> Removed that from the patch and rebased. I think the best approach is to
>> remove the bit opportunistically when we're already dirtying the page
>> for something else.
>>
>> However, right now, there is enough skepticism of the general approach
>> in this patch (and enough related proposals) that I'll leave this to be
>> resolved if and when there is more agreement that my approach is a good
>> one.
>>
>
> Did some basic checks on this patch. List-wise feedback below.
>
> - Cleanly applies to Git-Head: Yes (Some offsets, but thats probably because
> of delay in review)
> - Documentation Updated: No. (Required?)
> - Tests Updated: No. (Required?)
> - All tests pass: Yes
> - Does it Work : ???
>
> - Any visible issues: No
> - Any compiler warnings: No
>
> - Others:
> Number of uncovered lines: Reduced by 167 lines

I thought that Jeff withdrew this patch.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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