Fri, 7 Nov 2014 14:13:20 +0000 от Shaun Thomas <stho...@optionshouse.com>:
>> Yeah, pgTune is pretty badly out of date.  It's been on my TODO list, as
>> I'm sure it has been on Greg's.
>
>Yeah. And unfortunately the recommendations it gives have been spreading. Take 
>a look at the online version:
>
>http://pgtune.leopard.in.ua/
>
>I entered a pretty typical 92GB system, and it recommended 23GB of shared 
>buffers. I tried to tell the author the performance guidelines have since 
>changed, but it didn't help.
>
>
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Hello, author of http://pgtune.leopard.in.ua/ is here.

I think everyone can do pull request to it. Old one take 25% for shared_buffers 
and 75% for effective_cache_size. I think I can even add selector with version 
of postgresql (9.0 - 9.4) and in this case change formulas for 9.4 (for 
example).

But I don't know what type of calculation should be in this case. Does we have 
in some place this information? Or someone can provide it? Because this 
generator should be valid for most users.

Thanks.
---
Alexey Vasiliev
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