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From Erick Erickson <>
Subject Re: A request handler that manipulated the index
Date Fri, 05 Apr 2013 13:18:43 GMT
I _think_, and I'm really stretching here, that you'd be OK if you
shared a single
index writer amongst all the requests. Having more than one index writer
going against the same index is a definite no-no.

But atomic updates are a request (admittedly an update request) so it must be
possible, that code might provide some hints?


On Tue, Apr 2, 2013 at 1:06 PM, Benson Margulies <> wrote:
> I am thinking about trying to structure a problem as a Solr plugin. The
> nature of the plugin is that it would need to read and write the lucene
> index to do its work. It could not be cleanly split into URP 'over here'
> and a Search Component 'over there'.
> Are there invariants of Solr that would preclude this, like assumptions in
> the implementation of the cache?

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