Re: Sync Rep v17
Tatsuo Ishii <ishii@postgresql.org>
From: Tatsuo Ishii <ishii@postgresql.org>
To: simon@2ndQuadrant.com
Cc: heikki.linnakangas@enterprisedb.com, pgsql-hackers@postgresql.org, daniel@heroku.com
Date: 2011-02-21T12:35:58Z
Lists: pgsql-hackers
> Well, good news all round. > > v17 implements what I believe to be the final set of features for sync > rep. This one I'm actually fairly happy with. It can be enjoyed best at > DEBUG3. > > The patch is very lite touch on a few areas of code, plus a chunk of > specific code, all on master-side. Pretty straight really. I'm sure > problems will be found, its not long since I completed this; thanks to > Daniel Farina for your help with patch assembly. + <primary><varname>synchronous_standby_names</> configuration parameter</primary> + </indexterm> + <listitem> + <para> + Specifies a list of standby names that can become the sole + synchronous standby. Other standby servers connect that are also on + the list become potential standbys. If the current synchronous standby + goes away it will be replaced with one of the potential standbys. + Specifying more than one standby name can allow very high availability. + </para> Can anybody please enlighten me? I do not quite follow "Other standby servers connect that are also on the list become potential standbys" part. Can I read this as "Other standby servers that are also on the list become potential synchrnous standbys"? -- Tatsuo Ishii SRA OSS, Inc. Japan English: http://www.sraoss.co.jp/index_en.php Japanese: http://www.sraoss.co.jp