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From "Eric Evans (JIRA)" <>
Subject [jira] Updated: (CASSANDRA-808) Need a way to skip corrupted data in SSTables
Date Fri, 26 Feb 2010 04:50:28 GMT


Eric Evans updated CASSANDRA-808:

    Attachment:     (was: v1-0003-consistent-column-and-supercolumn-convenience-funcs.txt)

> Need a way to skip corrupted data in SSTables
> ---------------------------------------------
>                 Key: CASSANDRA-808
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Stu Hood
>             Fix For: 0.7
> The new SSTable format will allow for checksumming of the data file, but as it stands,
we don't have a better way to handle the situation than throwing an Exception indicating that
the data is unreadable.
> We might want to add an option (triggerable via a command line flag?) to Cassandra that
will allow for skipping of corrupted keys/blocks in SSTables, to pretend they don't exist
rather than throwing the Exception.
> An administrator could temporarily enable the option and trigger a compaction to perform
a local repair of data, or they could leave it enabled constantly for hands-off recovery.

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