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https://issues.apache.org/jira/browse/CASSANDRA-4165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13774636#comment-13774636
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Jonathan Ellis commented on CASSANDRA-4165:
-------------------------------------------
So we have
# Block-level CRC, in a CRC component, for uncompressed files
# File-level hash, in a Digest component, for uncompressed files
# Block-level CRC, inline in the Data component, for compressed files
# [proposed] file-level hash, in a Digest component, for compressed files
So at the least we should clean up the patch here to not also generate a CRC
component for compressed files. Not sure what else we can do to clean it up
... I'm not sure I'm a fan of the CRC component to begin with, but removing it
(in favor of a CRCOnlyCompression, for instance) is out of scope here.
> 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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