[pgpool-hackers: 3628] Re: DOC:wd_priority description is too promising

Kenichiro Tanaka kenichirotanakapg at gmail.com
Tue May 19 22:37:01 JST 2020


Hello
Thank you for your response.

>Because we maintain English and Japanese documentation,
>is it possible for you to create a patch for Japanese documentaion?
Off course.
I'll send it later.

Regards Kenichiro Tanaka.


2020年5月19日(火) 16:52 Bo Peng <pengbo at sraoss.co.jp>:
>
> Hello,
>
> On Tue, 19 May 2020 09:33:35 +0900
> Kenichiro Tanaka <kenichirotanakapg at gmail.com> wrote:
>
> > Hello pgpool hackers.
> >
> > I fell we should change and add some description about  "wd_priority"
> > explanation of pgpool-II document .
>
> Thank you for your patch. Looks good.
>
> Because we maintain English and Japanese documentation,
> is it possible for you to create a patch for Japanese documentaion?
>
> > https://www.pgpool.net/docs/latest/en/html/runtime-watchdog-config.html
> >
> > -----------------------------------------------------------------------
> > wd_priority (integer)
> > This parameter can be used to elevate the local watchdog node priority
> > in the elections to select master watchdog node. The node with the higher
> > wd_priority value will get selected as master watchdog node when cluster
> > will be electing its new master node at the time of cluster startup or in
> > the event of old master watchdog node failure
> > -----------------------------------------------------------------------
> > Documentation says "cluster will be electing its new master node at the
> > time of cluster *startup* or in the event of old master watchdog node failure".
> > This description allows the user to expect higher wd_priority node always
> > to become new master node.But actually it is not elected if it starts late
> > (This is natural behavior for cluster).
> >
> > So I think we should add or change some description about it.
> >
> > For example,
> >
> > diff --git a/doc/src/sgml/watchdog.sgml b/doc/src/sgml/watchdog.sgml
> > index 09549af..30db22d 100644
> > --- a/doc/src/sgml/watchdog.sgml
> > +++ b/doc/src/sgml/watchdog.sgml
> > @@ -486,7 +486,11 @@
> >        to select master watchdog node.
> >        The node with the higher <varname>wd_priority</varname> value
> > will get selected
> >        as master watchdog node when cluster will be electing its new master node
> > -      at the time of cluster startup or in the event of old master
> > watchdog node failure
> > +      in the event of old master watchdog node failure.
> > +      <varname>wd_priority</varname> is also valid at the time of
> > cluster startup.
> > +      When some watchdog nodes start up at same time,a node with the
> > higher <varname>wd_priority</varname>
> > +      value is selected as a master node.
> > +      So we should start watchdog nodes order by
> > <varname>wd_priority</varname> priority.
> >     </para>
> >    <para>
> >       <varname>wd_priority</varname> is not available in versions prior to
> >
> > Regards Kenichiro Tanaka
> > _______________________________________________
> > pgpool-hackers mailing list
> > pgpool-hackers at pgpool.net
> > http://www.pgpool.net/mailman/listinfo/pgpool-hackers
>
>
> --
> Bo Peng <pengbo at sraoss.co.jp>
> SRA OSS, Inc. Japan


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