| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Дилян Палаузов <dilyan(dot)palauzov(at)aegee(dot)org> |
| Cc: | pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: backend_flush_after bytes/pages |
| Date: | 2017-02-07 19:28:48 |
| Message-ID: | 20170207192848.deqytrme2nanhhjc@alap3.anarazel.de |
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| Thread: | |
| Lists: | 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-AFTER suggests 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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