Re[2]: [PERFORM] pgtune + configurations with 9.3

Fri, 14 Nov 2014 17:06:54 +0000 от Shaun Thomas <sthomas@optionshouse.com>:
> Alexey,
>
> The issue is not that 8GB is the maximum. You *can* set it higher. What I'm saying, and I'm not alone in this, is
thatsetting it higher can actually decrease performance for various reasons. Setting it to 25% of memory on a system
with512GB of RAM for instance, would be tantamount to disaster. A checkpoint with a setting that high could overwhelm
prettymuch any disk controller and end up  completely ruining DB performance. And that's just *one* of the drawbacks. 
>
>
>
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Ok. Just need to know what think another developers about this - should pgtune care about this case? Because I am not
sure,what users with 512GB will use pgtune. 

--
Alexey Vasiliev