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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2011/06/21 20:55:56 UTC
[jira] [Assigned] (CASSANDRA-1717) Cassandra cannot detect
corrupt-but-readable column data
[ https://issues.apache.org/jira/browse/CASSANDRA-1717?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis reassigned CASSANDRA-1717:
-----------------------------------------
Assignee: Pavel Yaskevich
Should probably do this (either column-level or block-level) at the same time as CASSANDRA-47.
> 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: 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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