Re: [BUGS] backend_flush_after bytes/pages - Mailing list pgsql-bugs

From Andres Freund
Subject Re: [BUGS] backend_flush_after bytes/pages
Date
Msg-id 20170207192848.deqytrme2nanhhjc@alap3.anarazel.de
Whole thread Raw
In response to Re: [BUGS] backend_flush_after bytes/pages  (Дилян Палаузов<dilyan.palauzov@aegee.org>)
List pgsql-bugs
Hi,

(please don't top-quote on this list)

On 2017-02-07 20:21:58 +0100, Дилян Палаузов wrote:
> does
>   backend_flush_after = 7
> mean 7 bytes or seven pages?
https://www.postgresql.org/docs/9.6/static/runtime-config-resource.html#GUC-BACKEND-FLUSH-AFTERsuggests it means 7
bytes,which is not the reality.  The documentation is misleading.
 

7 pages. But if you write '700kB' it'll be taken as bytes (with 8kB
granularity).  shared_buffers also is computed based on page-size and
documented in bytes.

Regards,

Andres


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