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Re: xReader, double-effort (was: Temporary tables under hot standby)

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Andres Freund <andres(at)anarazel(dot)de>, aakash(dot)bits(at)gmail(dot)com, "<Josh Berkus" <josh(at)postgresql(dot)org>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: xReader, double-effort (was: Temporary tables under hot standby)
Date: 2012-04-26 17:18:10
Message-ID: CA+U5nMKZJ9MywqZFRK=8QLVbjLDbBLJ4xUB1uOoPR3nT5icZag@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Thu, Apr 26, 2012 at 5:57 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Thu, Apr 26, 2012 at 11:02 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
>> On Thu, Apr 26, 2012 at 3:40 PM, Kevin Grittner
>> <Kevin(dot)Grittner(at)wicourts(dot)gov> wrote:
>>> [resending because of postgresql.org bounces on first try]
>>>
>>> Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
>>>> Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov> wrote:
>>>
>>>>> The GSoC xReader project is intended to be a major step toward
>>>>> that, by providing a way to translate the WAL stream to a series
>>>>> of notifications of logical events to clients which register with
>>>>> xReader.
>>
>> <sigh> Yes, it appears very similar. I didn't know about this.
>
> I don't recall seeing any previous postings about the 2Q project,
> either.  We should try to keep these discussions on-list.

While that's true, it wasn't much of a stretch to think that I might
be planning to do more work on replication since I've done that for
years and years now. Also, I do keep requesting GSOC doesn't put such
major tasks out there, but not much heed taken.

Beautiful illustration of a multi-master conflict case though.

Not sure just yet what the resolution is, and it will probably take a
few weeks to resolve that happily.

Glad we're all facing in the same direction, which is the most important thing.

-- 
 Simon Riggs                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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