Martin Nagy created AVRO-1142:
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Summary: Specification is misleading in regards to CRC32 checksum
of Snappy blocks
Key: AVRO-1142
URL: https://issues.apache.org/jira/browse/AVRO-1142
Project: Avro
Issue Type: Bug
Components: spec
Reporter: Martin Nagy
The specification says:
??Each compressed block is followed by its 4-byte, big-endian CRC32 checksum.??
This, in my opinion, suggests that the CRC32 checksum is calculated from the
compressed block, when in fact it is computed from the block before compression
(as it is implemented in java). I've implemented a snappy codec for C++ and had
trouble with this :(
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