Michael McCandless created LUCENE-5025:
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Summary: Allow more than 2.1B "tail nodes" when building FST
Key: LUCENE-5025
URL: https://issues.apache.org/jira/browse/LUCENE-5025
Project: Lucene - Core
Issue Type: Improvement
Components: core/FSTs
Reporter: Michael McCandless
Fix For: 5.0, 4.4
We recently relaxed some of the limits for big FSTs, but there is
one more limit I think we should fix. E.g. Aaron hit it in building
the world's biggest FST:
http://aaron.blog.archive.org/2013/05/29/worlds-biggest-fst/
The issue is NodeHash, which currently uses a GrowableWriter (packed
ints impl that can grow both number of bits and number of values):
it's indexed by int not long.
This is a hash table that's used to share suffixes, so we need random
get/put on a long index of long values, i.e. this is logically a long[].
I think one simple way to do this is to make a "paged"
GrowableWriter...
Along with this we'd need to fix the hash codes to be long not
int.
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