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From Randall Leeds <>
Subject Re: Write race conditions, working without _rev
Date Thu, 18 Nov 2010 01:14:33 GMT
On Wed, Nov 17, 2010 at 16:15, Chad George <> wrote:
> I've been wondering about this for a while, when two update requests for the
> same document come to couchdb nearly simultaneously what exactly happens?
> Is it possible for both requests to get the same revision of the document to
> update or is there some mechanism to force the updates to occur in series?

There is a mechanism. The message passing within the Erlang runtime
guarantee an ordering of messages to the update process.
It is impossible for both updates to occur.

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