From:
Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To:
Robert Haas <robertmhaas(at)gmail(dot)com>
Cc:
David Fetter <david(at)fetter(dot)org>, Bruce Momjian <bruce(at)momjian(dot)us>,
fazool mein <fazoolmein(at)gmail(dot)com>,
pgsql-hackers(at)postgresql(dot)org
Subject:
Re: Synchronous replication - patch status inquiry
Date:
2010-09-01 05:33:07
Message-ID:
4C7DE593.9040306@enterprisedb.com (view raw or flat )
Thread:
2010-08-31 21:34:05 from fazool mein <fazoolmein(at)gmail(dot)com>
2010-08-31 21:44:15 from Bruce Momjian <bruce(at)momjian(dot)us>
2010-08-31 22:24:14 from David Fetter <david(at)fetter(dot)org>
2010-09-01 00:34:31 from Robert Haas <robertmhaas(at)gmail(dot)com>
2010-09-01 00:45:47 from David Fetter <david(at)fetter(dot)org>
2010-09-01 01:02:51 from Robert Haas <robertmhaas(at)gmail(dot)com>
2010-09-01 05:33:07 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2010-09-01 07:53:38 from Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
2010-09-01 10:23:56 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2010-09-01 16:03:55 from Robert Haas <robertmhaas(at)gmail(dot)com>
2010-09-01 20:43:01 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-02 10:24:05 from Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
2010-09-02 12:03:38 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-02 12:15:17 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2010-09-02 12:44:27 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-02 12:59:28 from Robert Haas <robertmhaas(at)gmail(dot)com>
2010-09-02 13:51:18 from Dimitri Fontaine <dfontaine(at)hi-media(dot)com>
2010-09-02 14:06:29 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-02 14:17:29 from Robert Haas <robertmhaas(at)gmail(dot)com>
2010-09-02 14:32:33 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2010-09-03 03:50:50 from Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
2010-09-03 06:36:27 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-03 06:55:37 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2010-09-03 07:45:30 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-03 09:33:43 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2010-09-03 10:20:09 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-03 10:31:07 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2010-09-06 13:03:44 from Dimitri Fontaine <dfontaine(at)hi-media(dot)com>
2010-09-06 13:14:57 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2010-09-06 14:14:08 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-06 23:48:17 from Robert Haas <robertmhaas(at)gmail(dot)com>
2010-09-07 06:27:52 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2010-09-07 09:47:54 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-07 10:11:38 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2010-09-07 10:24:37 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-07 14:47:27 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2010-09-07 15:23:43 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-07 15:41:52 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
2010-09-07 15:54:16 from Robert Haas <robertmhaas(at)gmail(dot)com>
2010-09-07 15:59:31 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-07 16:07:54 from Robert Haas <robertmhaas(at)gmail(dot)com>
2010-09-07 18:15:43 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-07 18:27:36 from Robert Haas <robertmhaas(at)gmail(dot)com>
2010-09-07 23:00:48 from Bruce Momjian <bruce(at)momjian(dot)us>
2010-09-03 07:08:12 from Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
2010-09-03 06:42:51 from Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
2010-09-10 02:52:20 from Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
2010-09-10 02:57:30 from Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
2010-09-14 21:38:17 from David Fetter <david(at)fetter(dot)org>
2010-09-15 09:58:54 from Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
2010-09-15 12:39:33 from Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
2010-09-15 23:12:46 from "Erik Rijkers" <er(at)xs4all(dot)nl>
2010-09-15 23:58:21 from "Erik Rijkers" <er(at)xs4all(dot)nl>
2010-09-02 17:17:39 from Joshua Tolley <eggyknap(at)gmail(dot)com>
2010-09-01 11:43:25 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2010-09-01 01:06:18 from Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
2010-09-01 02:14:33 from fazool mein <fazoolmein(at)gmail(dot)com>
2010-09-01 00:35:47 from Robert Haas <robertmhaas(at)gmail(dot)com>
Lists:
pgsql-hackers
On 01/09/10 04:02, Robert Haas wrote:
> See the thread on interruptible sleeps. The problem
> right now is that there are some polling loops that act to throttle
> the maximum rate at which a node doing sync rep can make forward
> progress, independent of the capabilities of the hardware.
To be precise, the polling doesn't affect the "bandwidth" the
replication can handle, but it introduces a delay wh
> Those need
> to be replaced with a system that doesn't inject unnecessary delays
> into the process, which is what Heikki is working on.
Right.
Once we're done with that, all the big questions are still left. How to
configure it? What does synchronous replication mean, when is a
transaction acknowledged as committed? What to do if a standby server
dies and never acknowledges a commit? All these issues have been
discussed, but there is no consensus yet.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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