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From "Stu Hood (JIRA)" <j...@apache.org>
Subject [jira] Created: (CASSANDRA-808) Need a way to skip corrupted data in SSTables
Date Thu, 18 Feb 2010 21:45:27 GMT
Need a way to skip corrupted data in SSTables
---------------------------------------------

                 Key: CASSANDRA-808
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-808
             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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