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From Alexander Shorin <>
Subject Re: CouchDB - Open Document Format mega storage
Date Wed, 09 Nov 2011 12:30:56 GMT
On Wed, Nov 9, 2011 at 3:01 PM, Robert Newson <> wrote:
> The suggestion to use an update notification handler to trigger
> copying into a VCS is dangerous, as it is not guaranteed to get all
> your changes (consider compaction running while you're doing this, you
> could easily miss a revision).

So update handlers aren't be triggered on each document updating? Or
compaction prevents any update notifications?
Could you explain in details why it could be dangerous?

Idea with storing previous revisions within same document looks good
until changes are few and document is smaller. However, maybe storing
only json-patches could dramatically reduce total document size.


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