Create a nodetool upgrade_sstables to avoid using scrubs for tasks it wasn't
intended to.
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Key: CASSANDRA-3406
URL: https://issues.apache.org/jira/browse/CASSANDRA-3406
Project: Cassandra
Issue Type: New Feature
Components: Core
Affects Versions: 1.0.0
Reporter: Sylvain Lebresne
Assignee: Sylvain Lebresne
Priority: Trivial
Fix For: 1.0.2
Scrub was intended to check a data file is not corrupted and to try to correct
some form of corruption and discard the data when it can't repair. But we are
now using it also for:
* major upgrade, to have sstable in the new data format for streaming sake
(that one could be "fixed" independently by supporting old format during
streaming)
* to force the compaction of existing sstables after changing the compression
algorithm
We should probably provide a separate tool/command for those two last tasks
since:
* we could have a better name, like upgrade_sstables or rewrite_sstables for
that operation
* we could avoid the automatic snapshot that scrub does (and is not expected by
users for those operations)
* make it slightly quicker/simpler by avoiding the corruption detection code
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