Need a way to skip corrupted data in SSTables
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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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