Littlestar created LUCENE-5917:
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Summary: complex Query cause luene outMemory
Key: LUCENE-5917
URL: https://issues.apache.org/jira/browse/LUCENE-5917
Project: Lucene - Core
Issue Type: Bug
Components: core/search
Affects Versions: 4.9
Environment: 128G RAM + 1.5T SSD + 1.2T DATA(10*10000*10000 records).
Reporter: Littlestar
Priority: Minor
RangeQuery, prefixQuery and WildcardQuery use FixedBitSet when TERM_COUNT >=
350 or DOC_COUNT_PERCENT >=0.1.
It use a lots of memory when maxDoc very large.
MultiTermQueryWrapperFilter<Q extends MultiTermQuery> extends Filter
a little threads run with query "a* OR b* OR c*.....OR z*“ will cause luene
outMemory, but there is no ways to prevent it.
another thing, some complex query also use a lot of memory too..
I think query implements Accountable(#ramSizeInBytes), users can throw a
exception better than OutOfMemory.
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