"... is this limitation documented anywhere..."
Kind of, but not very well, at least at the Lucene level.
The Lucene File Formats page says "Lucene uses a Java int to refer to
document numbers, and the index file format uses an Int32 on-disk to store
document numbers. This is a limitation of both the index file format and the
current implementation." It also says that "The first document added to an
index is numbered zero." Since Java Integer.MAX_INT is 2^31-1, that means
the maximum number of documents in a single Lucene (or Solr) index is 2^31.
And the Lucene IndexSearcher API uses "int" for document number and number
of documents in index.
There is a little discussion of the limit issue here:
I am not aware of any explicit mention of the single-index Lucene document
limit at the Solr level.
-- Jack Krupansky
Sent: Monday, May 28, 2012 11:34 AM
To: [EMAIL PROTECTED]
Subject: Re: Negative value in numFound
It is a multicore but when i searched the shards query even then i get this
<result name="response" numFound="-390662429" start="0">
which is again a negative value.
Might be the total number of records may be > 2147483647 (2^31-1), But is
this limitation documented anywhere. What is the strategy to over come this
situation. Expectation of my application is to have 12 billion records. So
please suggest me a strategy for my situation.
Senthil Kumar M R
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