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From "Jonathan Ellis (JIRA)" <>
Subject [jira] [Resolved] (CASSANDRA-808) Need a way to skip corrupted data in SSTables
Date Tue, 12 Apr 2011 18:00:06 GMT


Jonathan Ellis resolved CASSANDRA-808.

       Resolution: Won't Fix
    Fix Version/s:     (was: 1.0)

nodetool scrub seems to address this adequately now.

> Need a way to skip corrupted data in SSTables
> ---------------------------------------------
>                 Key: CASSANDRA-808
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Stu Hood
>            Priority: Minor
> 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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