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On 12/12/2011 07:55 PM, Andres Freund wrote:
> On Monday, December 12, 2011 07:48:01 PM Tom Lane wrote:
>> Andres Freund <andres(at)anarazel(dot)de> writes:
>>> On Monday, December 12, 2011 09:29:23 AM Heikki Linnakangas wrote:
>>>> Revert the behavior of inet/cidr functions to not unpack the arguments.
>>>
>>> Whats the plan to handle this wrt a stable release?
>>
>> I was wondering whether we shouldn't revert the original patch
>> altogether in the back branches.  As far as I'd heard, there were
>> no reports of the previous coding causing real trouble, and this
>> episode demonstrates that there is a possibility to make things
>> worse rather than better.  I think maybe we'd better treat this
>> change as something to make in HEAD only.
>
> +1

+1

This is a bug that really qualifies for an early 9.1.3.

A simple create index on an inet column almost crashed our production
server and everything got very unresponsive for a while.

The process running the create index grew to over 24GB in a matter of a
few minuttes. We managed to kill the process at the last moment before
going empty for cached memory and swap.

regards,
- -- 
 Rafael Martinez Guerrero
 Center for Information Technology
 University of Oslo, Norway

 PGP Public Key: http://folk.uio.no/rafael/
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In response to

• Re: pgsql: Revert the behavior of inet/cidr functions to not unpack the arg at 2011-12-12 18:55:36 from Andres Freund

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• Re: pgsql: Revert the behavior of inet/cidr functions to not unpack the arg at 2011-12-13 08:58:48 from Heikki Linnakangas

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