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From "Chris Anderson" <>
Subject Re: Update notifications including update sequence
Date Mon, 19 Jan 2009 07:39:32 GMT
On Sun, Jan 18, 2009 at 10:52 PM, Paul Davis
<> wrote:
> On Mon, Jan 19, 2009 at 1:46 AM, Antony Blakey <> wrote:
>> On 19/01/2009, at 3:51 PM, Paul Davis wrote:
>>> There can be many _external processes for a single definition. So, not
>>> only are requests not serialized, they can be concurrent etc.
>> Hmmm. I must be particularly thick today, because my reading of the code has
>> a single couch_external_manager creating and maintaining an instance of
>> couch_external_server *per* UrlName, with each couch_external_server
>> instance corresponding to a single invocation of the external process
>> backing that URL.
>> Where am I going wrong?
> Wow. I am the dumb one here. I was just checking it out again as well
> to pin down the spot you'd need. Turns out that everything I said
> about _external is dead wrong. Though, if it helps, the model I had in
> my head is definitely how view server processes work XD
> And now that I just got that into my head I'm scrapping the update
> notification side of my couchdb-lucene stuff and running it all from
> _external.
> Apologies for wasting everyone's time.

Not a waste of time. Perhaps on another thread, we should consider
enhancements to the db-update-notification process.

Chris Anderson

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