HFileDataBlockEncoderImpl uses wrong header size when reading HFiles with no
checksums
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Key: HBASE-5720
URL: https://issues.apache.org/jira/browse/HBASE-5720
Project: HBase
Issue Type: Bug
Components: io, regionserver
Affects Versions: 0.94.0
Reporter: Matt Corgan
Priority: Blocker
Fix For: 0.94.0
When reading a .92 HFile without checksums, encoding it, and storing in the
block cache, the HFileDataBlockEncoderImpl always allocates a dummy header
appropriate for checksums even though there are none. This corrupts the byte[].
Attaching a patch that allocates a DUMMY_HEADER_NO_CHECKSUM in that case which
I think is the desired behavior.
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