Re: Standalone synchronous master
От
Bruce Momjian
Тема
Re: Standalone synchronous master
Дата
Msg-id
20140112043304.GO28089@momjian.us
Ответ на
Re: Standalone synchronous master (Josh Berkus)
Список
Дерево обсуждения
Standalone synchronous master Rajeev rastogi <rajeev.rastogi@huawei.com>
Re: Standalone synchronous master Heikki Linnakangas <hlinnakangas@vmware.com>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master Simon Riggs <simon@2ndQuadrant.com>
Re: Standalone synchronous master Bruce Momjian <bruce@momjian.us>
Re: Standalone synchronous master Hans-Jürgen Schönig <postgres@cybertec.at>
Re: Standalone synchronous master Heikki Linnakangas <hlinnakangas@vmware.com>
Re: Standalone synchronous master Bruce Momjian <bruce@momjian.us>
Re: Standalone synchronous master Kevin Grittner <kgrittn@ymail.com>
Re: Standalone synchronous master Tom Lane <tgl@sss.pgh.pa.us>
Re: Standalone synchronous master Simon Riggs <simon@2ndQuadrant.com>
Re: Standalone synchronous master Michael Paquier <michael.paquier@gmail.com>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master Kevin Grittner <kgrittn@ymail.com>
Re: Standalone synchronous master Heikki Linnakangas <hlinnakangas@vmware.com>
Re: Standalone synchronous master "Joshua D. Drake" <jd@commandprompt.com>
Re: Standalone synchronous master Tom Lane <tgl@sss.pgh.pa.us>
Re: Standalone synchronous master "Joshua D. Drake" <jd@commandprompt.com>
Re: Standalone synchronous master Tom Lane <tgl@sss.pgh.pa.us>
Re: Standalone synchronous master "Joshua D. Drake" <jd@commandprompt.com>
Re: Standalone synchronous master Hannu Krosing <hannu@2ndQuadrant.com>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master "Joshua D. Drake" <jd@commandprompt.com>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master Tom Lane <tgl@sss.pgh.pa.us>
Re: Standalone synchronous master Stephen Frost <sfrost@snowman.net>
Re: Standalone synchronous master Peter Eisentraut <peter_e@gmx.net>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master Stephen Frost <sfrost@snowman.net>
Re: Standalone synchronous master Tom Lane <tgl@sss.pgh.pa.us>
Re: Standalone synchronous master Hannu Krosing <hannu@2ndQuadrant.com>
Re: Standalone synchronous master Jeff Janes <jeff.janes@gmail.com>
Re: Standalone synchronous master "Joshua D. Drake" <jd@commandprompt.com>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master "MauMau" <maumau307@gmail.com>
Re: Standalone synchronous master Hannu Krosing <hannu@2ndQuadrant.com>
Re: Standalone synchronous master "MauMau" <maumau307@gmail.com>
Re: Standalone synchronous master Hannu Krosing <hannu@2ndQuadrant.com>
Re: Standalone synchronous master Bruce Momjian <bruce@momjian.us>
Re: Standalone synchronous master Amit Kapila <amit.kapila16@gmail.com>
Re: Standalone synchronous master Bruce Momjian <bruce@momjian.us>
Re: Standalone synchronous master "Joshua D. Drake" <jd@commandprompt.com>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master Stephen Frost <sfrost@snowman.net>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master Stephen Frost <sfrost@snowman.net>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master Stephen Frost <sfrost@snowman.net>
Re: Standalone synchronous master "Joshua D. Drake" <jd@commandprompt.com>
Re: Standalone synchronous master Hannu Krosing <hannu@2ndQuadrant.com>
Re: Standalone synchronous master "Joshua D. Drake" <jd@commandprompt.com>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master Adrian Klaver <adrian.klaver@gmail.com>
Re: Standalone synchronous master "Joshua D. Drake" <jd@commandprompt.com>
Re: Standalone synchronous master Andres Freund <andres@2ndquadrant.com>
Re: Standalone synchronous master "Joshua D. Drake" <jd@commandprompt.com>
Re: Standalone synchronous master Jeff Janes <jeff.janes@gmail.com>
Re: Standalone synchronous master Jim Nasby <jim@nasby.net>
Re: Standalone synchronous master Simon Riggs <simon@2ndQuadrant.com>
Re: Standalone synchronous master Hannu Krosing <hannu@2ndQuadrant.com>
Re: Standalone synchronous master Amit Kapila <amit.kapila16@gmail.com>
Re: Standalone synchronous master Bruce Momjian <bruce@momjian.us>
Re: Standalone synchronous master Amit Kapila <amit.kapila16@gmail.com>
Re: Standalone synchronous master Jeff Janes <jeff.janes@gmail.com>
Re: Standalone synchronous master Amit Kapila <amit.kapila16@gmail.com>
Re: Standalone synchronous master Rajeev rastogi <rajeev.rastogi@huawei.com>
On Sat, Jan 11, 2014 at 07:18:02PM -0800, Josh Berkus wrote: > In other words, if we're going to have auto-degrade, the most > intelligent place for it is in > RepMgr/HandyRep/OmniPITR/pgPoolII/whatever. It's also the *easiest* > place. Anything we do *inside* Postgres is going to have a really, > really hard time determining when to degrade. Well, one goal I was considering is that if a commit is hung waiting for slave sync confirmation, and the timeout happens, then the mode is changed to degraded and the commit returns success. I am not sure how you would do that in an external tool, meaning there is going to be period where commits fail, unless you think there is a way that when the external tool changes the mode to degrade that all hung commits complete. That would be nice. -- Bruce Momjian http://momjian.us EnterpriseDB http://enterprisedb.com + Everyone has their own god. +
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