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https://issues.apache.org/jira/browse/CASSANDRA-1717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13081605#comment-13081605
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Jonathan Ellis commented on CASSANDRA-1717:
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Saving 4 bytes out of 64K doesn't seem like enough benefit to make life harder
for ourselves if we want to use a long checksum later.
> Cassandra cannot detect corrupt-but-readable column data
> --------------------------------------------------------
>
> Key: CASSANDRA-1717
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1717
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Pavel Yaskevich
> Fix For: 1.0
>
> Attachments: CASSANDRA-1717-v2.patch, CASSANDRA-1717.patch,
> checksums.txt
>
>
> Most corruptions of on-disk data due to bitrot render the column (or row)
> unreadable, so the data can be replaced by read repair or anti-entropy. But
> if the corruption keeps column data readable we do not detect it, and if it
> corrupts to a higher timestamp value can even resist being overwritten by
> newer values.
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