add checksums to Snappy codec
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Key: AVRO-798
URL: https://issues.apache.org/jira/browse/AVRO-798
Project: Avro
Issue Type: Improvement
Components: java, spec
Reporter: Doug Cutting
Assignee: Doug Cutting
Fix For: 1.5.1
A checksum might be included with each compressed block to better detect
errors. While some filesystems (e.g. HDFS) may checksum data, not all do.
Data files may also accumulate errors when copied between filesystems. For
back-compatibility, we cannot easily add checksums to existing data files, but
a new codec provides us with the opportunity to do this.
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