Re: effective_io_concurrency increasing

*As per the docs:*

*1. This is dependent on whether or not you are using a RAID disk,2. "Some
experimentation may be needed to find the best value"*

*IOW, there is no general recommendation.*

On Sun, Jun 18, 2017 at 9:24 PM, Patrick B <patrickbakerbr(at)gmail(dot)com> wrote:

>
>
> 2017-06-19 13:19 GMT+12:00 Melvin Davidson <melvin6925(at)gmail(dot)com>:
>
>>
>>
>> On Sun, Jun 18, 2017 at 9:02 PM, Patrick B <patrickbakerbr(at)gmail(dot)com>
>> wrote:
>>
>>> Hi guys.
>>>
>>> I just wanna understand the effective_io_concurrency value better.
>>>
>>> My current Master database server has 16 vCPUS and I
>>> use effective_io_concurrency = 0.
>>>
>>> What can be the benefits of increasing that number? Also, do you guys
>>> have any recommendations?
>>>
>>> I'm using PG 9.2 and the official doc does not say much about which
>>> value you should use.
>>>
>>> If I put it to 1, does it mean I can have a query spread into 1
>>> processor?
>>>
>>> Thanks
>>> P
>>>
>>
>>
>>
>> *Perhaps you should read the
>> doc.https://www.postgresql.org/docs/9.2/static/runtime-config-resource.html
>> <https://www.postgresql.org/docs/9.2/static/runtime-config-resource.html>*
>> 18.4.6. Asynchronous Behavior *effective_io_concurrency (integer)*
>>
>
>
> I've done that! But I'm looking for some personal experiences and
> suggestions!!
>

--
*Melvin Davidson*
I reserve the right to fantasize. Whether or not you
wish to share my fantasy is entirely up to you.