Re: Summary and Plan for Hot Standby - Mailing list pgsql-hackers

From David E. Wheeler
Subject Re: Summary and Plan for Hot Standby
Date
Msg-id 1798C087-9906-40A1-A744-01A59716865F@kineticode.com
Whole thread Raw
In response to Re: Summary and Plan for Hot Standby  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Summary and Plan for Hot Standby
List pgsql-hackers
On Nov 15, 2009, at 2:17 PM, Tom Lane wrote:

>> So I'm in favor of committing part of the HS code even if there are
>> known failure conditions, as long as those conditions are well-defined.
> 
> If we're thinking of committing something that is known broken, I would
> want to have a clearly defined and trust-inspiring escape strategy.
> "We can always revert the patch later" inspires absolutely zero
> confidence here, because in a patch this large there are always going to
> be overlaps with other later patches.  If it gets to be February and HS
> is still unshippable, reverting is going to be a tricky and risky
> affair.
> 
> I agree with Heikki that it would be better not to commit as long as
> any clear showstoppers remain unresolved.

If ever there were an argument for topic branches, *this is it*.

Best,

David


pgsql-hackers by date:

Previous
From: Andrew Gierth
Date:
Subject: Re: Aggregate ORDER BY patch
Next
From: Tom Lane
Date:
Subject: Re: Summary and Plan for Hot Standby