Adrien Grand created LUCENE-5836:
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Summary: BytesRef.copyBytes and copyChars don't oversize
Key: LUCENE-5836
URL: https://issues.apache.org/jira/browse/LUCENE-5836
Project: Lucene - Core
Issue Type: Bug
Reporter: Adrien Grand
Assignee: Adrien Grand
When copying data from another BytesRef/CharSequence, these methods don't
oversize. This is not an issue if this method is used only once per BytesRef
instance but I just reviewed the usage of these methods and they are very
frequently used in loops to do things like:
- keep track of the top values in comparators
- keep track of the previous terms in various loops over a terms enum
(lucene49 DV consumer, BlockTreeTermsWriter)
- etc.
Although unlikely, it might be possible to hit a worst-case and to resize the
underlying byte[] on every call to copyBytes? Should we oversize the underlying
array in these methods?
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