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Heikki Linnakangas wrote:
> Bruce Momjian wrote:
>> o Automatic adjustment of bgwriter_lru_maxpages
>>
>> We show this as waiting for performance results. I am thinking we
>> should hold this for 8.4.
>
> Agreed. I spent close to a week trying different benchmarks and
> configurations and simple test cases on a test server and my laptop, and
> couldn't demonstrate bgwriter making a positive impact in any
> configuration I tried. The theory behind the patch is sound, but it
> looks like a lot more testing and analysis is needed.
Wouldn't real world testing be needed to actually gain insight to this
patch?
Joshua D. Drake
>
>> o Error correction for n_dead_tuples
>>
>> This shows as waiting on another patch. Again, I am thinking to
>> keep it for 8.4.
>
> It was waiting on the "vacuum oldestxmin" patch, which didn't make it to
> 8.3. I don't care for the patch myself, but it was submitted well before
> feature freeze and deserves a review. It looks good to me at first glance.
>
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