Re: Concurrent VACUUM and ANALYZE

Jonah H. Harris wrote:
> On Mon, Jul 21, 2008 at 10:19 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>   
>> I don't find this a compelling argument, at least not without proof that
>> the various vacuum-improvement projects already on the radar screen
>> (DSM-driven vacuum, etc) aren't going to fix your problem.
>>     
>
> Is DSM going to be in 8.4?  The last I had heard, DSM+related
> improvements weren't close to being guaranteed for this release.  If
> it doesn't make it, waiting another year and a half for something
> easily fixed would be fairly unacceptable.  Should I provide a patch
> in the event that DSM doesn't make it?

Can't hurt to submit a patch.  Also, could you do something to help 
mitigate the worse case, something like don't update the stats in 
pg_class if the analyze finishes after a vacuum has finished since the 
current analyze started?

Matt