Adrien Grand created LUCENE-5578:
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Summary: Stored fields might accumulate checksums on merges
Key: LUCENE-5578
URL: https://issues.apache.org/jira/browse/LUCENE-5578
Project: Lucene - Core
Issue Type: Bug
Reporter: Adrien Grand
Assignee: Adrien Grand
Priority: Blocker
Fix For: 4.8
The bulk merge operation of our stored fields format is optimized in order to
avoid decompressing data when not needed. In order to know the offset of the
end of the current block, it either consults the stored fields index, or uses
{{fieldsStream.length()}} for the last chunk.
However, we just added checksums at the end of index files, so it might
currently copy the current checksum in addition to the last chunk, and then
write a new checksum.
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