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Vijay commented on CASSANDRA-4165:
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Hi Jonathan, 3648 actually adds block level CRC for uncompressed files and
writes to a separate file (CRC.db), and uses it during the streaming parts of
the file to validate before streaming (not during normal reads). Hence we need
2 Checksums during the flush 1 for blocks and the md5 for the whole file.
> Generate Digest file for compressed SSTables
> --------------------------------------------
>
> Key: CASSANDRA-4165
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4165
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Marcus Eriksson
> Assignee: Marcus Eriksson
> Priority: Minor
> Attachments: 0001-Generate-digest-for-compressed-files-as-well.patch,
> 4165-rebased.txt
>
>
> We use the generated *Digest.sha1-files to verify backups, would be nice if
> they were generated for compressed sstables as well.
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