Re: pgsql: Make WAL segment size configurable at initdb time.

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: David Steele <david(at)pgmasters(dot)net>
Cc: Andres Freund <andres(at)anarazel(dot)de>, pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql: Make WAL segment size configurable at initdb time.
Date: 2018-09-20 23:59:32
Message-ID: 20180920235932.GD1338@paquier.xyz
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-committers pgsql-hackers

On Thu, Sep 20, 2018 at 11:48:08AM -0400, David Steele wrote:
> </term>
> <listitem>
> <para>
> - Reports the number of blocks (pages) in a WAL segment file.
> - The total size of a WAL segment file in bytes is equal to
> - <varname>wal_segment_size</varname> multiplied by <varname>wal_block_size</varname>;
> - by default this is 16MB. See <xref linkend="wal-configuration"/> for
> + Reports the size of write ahead log segments.
> + The default value is 16MB. See <xref linkend="wal-configuration"/> for
> more information.
> </para>
> </listitem>

The GUC wal_segment_size reports as well 16MB in v10 or older versions,
so shouldn't the mention to wal_block_size be removed even further down?
--
Michael

In response to

Responses

Browse pgsql-committers by date

  From Date Subject
Next Message David Steele 2018-09-21 01:14:51 Re: pgsql: Make WAL segment size configurable at initdb time.
Previous Message Michael Paquier 2018-09-20 21:44:15 pgsql: Remove special handling for open() in initdb for Windows

Browse pgsql-hackers by date

  From Date Subject
Next Message Mark Dilger 2018-09-21 00:06:36 Re: FETCH FIRST clause PERCENT option
Previous Message Michael Paquier 2018-09-20 23:51:55 Re: Changing the setting of wal_sender_timeout per standby