[jira] [Updated] (CASSANDRA-4165) Generate Digest file for compressed SSTables

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-4165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-4165:
--------------------------------------

    Attachment: 4165-rebased.txt

We've had CASSANDRA-5791 come up as well, so I think it's reasonable to say that this is useful for more than just Spotify.

Attached is Marcus's patch rebased to 2.0, but we may need to dig a little deeper; I'm not quite sure what the right treatment of the CRC component is, but it appears to duplicate the inline checksum that we compute for the compressed writer which seems odd.  Git places the blame on CASSANDRA-3648.

Any light to shed [~vijay2win@yahoo.com] [~jasobrown]?
                
> 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
>            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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