Michael Siu skrev:
What is the limit of Lucene:  # of docs per index?

Integer.MAX_VALUE

Multiple indices joined in a single MultiWhatNot is still limited to that number.


If RangeFilter.Bits(), for example, it initializes a bitset to the size of
maxDoc from the indexReader.  I wonder what happen if the # of docs is huge,
say MaxInt (4G in 32bit or 2^63 in 64 bit)?

ArrayIndexOutOfBoundsException ?

It should not be that difficult to upgrade int to longs, but it is a rather large job.

How many documents do you have? You might want to consider alternative ways to represent your corpus in the index so it takes less documents.


          karl

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