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https://issues.apache.org/jira/browse/CASSANDRA-9265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14643023#comment-14643023
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Daniel Chia commented on CASSANDRA-9265:
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[~aweisberg] I can understand that, putting it in 2.2 would probably mean we
get it earlier than 3.x which would be better.
If it happens a lot more while we're still on 2.1, I can always re-open a
ticket again then.
> 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
>
>
> 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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