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https://issues.apache.org/jira/browse/CASSANDRA-9265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14652738#comment-14652738
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Daniel Chia commented on CASSANDRA-9265:
----------------------------------------

Rebasing to 3.0 right now. I believe 3.0 stopped cloning the channel in RAR, 
which causes the test failure.
Let me attach an updated patch in a few minutes.

> Add checksum to saved cache files
> ---------------------------------
>
>                 Key: CASSANDRA-9265
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9265
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Ariel Weisberg
>             Fix For: 3.x
>
>         Attachments: 
> 0001-Add-checksum-to-saved-cache-files-CASSANDRA-9265.patch
>
>
> Saved caches are not covered by a checksum. We should at least emit a 
> checksum. My suggestion is a large checksum of the whole file (convenient 
> offline validation), and then smaller per record checksums after each record 
> is written (possibly a subset of the incrementally maintained larger 
> checksum).
> I wouldn't go for anything fancy to try to recover from corruption since it 
> is just a saved cache. If corruption is detected while reading I would just 
> have it bail out. I would rather have less code to review and test in this 
> instance.



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