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https://issues.apache.org/jira/browse/AVRO-1142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doug Cutting resolved AVRO-1142.
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Resolution: Fixed
Fix Version/s: 1.7.2
Assignee: Doug Cutting
I committed this.
> 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
> Assignee: Doug Cutting
> Fix For: 1.7.2
>
> Attachments: AVRO-1142.patch
>
>
> 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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