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From Michael McCandless <luc...@mikemccandless.com>
Subject Re: BlockJoin concerns
Date Fri, 14 Oct 2011 18:33:29 GMT
On Fri, Oct 14, 2011 at 9:10 AM, mark harwood <markharw00d@yahoo.co.uk> wrote:
>>>I opened LUCENE-3519 for the unexpected null when pulling the
>>>TopGroups, and added your test case (thanks!).
>
>
> Great, thanks.

Thank you!  The test case is great :)

>>>the collector internally gathers all child docIDs for a given collected parent
docID
>
> OK - I guess that scales OK because the numbers of docIDs per parent is naturally limited
by the number of docs you can hold in RAM as part of the original IW.addDocuments call - i.e.
not in the millions.

Right I think it should be fine.  For each hit we store an int docID
and a float score (if you asked it to score), so 4 or 8 bytes.

Mike

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