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https://issues.apache.org/jira/browse/CASSANDRA-3648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205238#comment-13205238
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Jonathan Ellis commented on CASSANDRA-3648:
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I guess we'd need to add the inverse of the checksumming done in
SequentialWriter, to RandomAccessReader or a SequentialReader class, to do this
efficiently. Sounds messy...
> Repair should validate checksums before streaming
> -------------------------------------------------
>
> Key: CASSANDRA-3648
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3648
> Project: Cassandra
> Issue Type: New Feature
> Reporter: Jonathan Ellis
> Priority: Minor
> Fix For: 1.2
>
>
> We have block checksums and sha1 full-file hashes, but currently we do not
> validate these before streaming in a repair.
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