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Posted to commits@cassandra.apache.org by "Thom Valley (JIRA)" <ji...@apache.org> on 2016/03/09 17:08:40 UTC

[jira] [Created] (CASSANDRA-11324) Make SSTABLESCRUB and related jobs multi-threaded / parallelize somehow

Thom Valley created CASSANDRA-11324:
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             Summary: Make SSTABLESCRUB and related jobs multi-threaded  / parallelize somehow
                 Key: CASSANDRA-11324
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11324
             Project: Cassandra
          Issue Type: Improvement
          Components: Tools
            Reporter: Thom Valley
            Priority: Minor


SSTABLE scrub right now appears to be single threaded in offline mode (unsure about online).  When scrubbing a node, especially a well provisioned one, the node sits mostly idle for potentially hours while scrubbing.

Making better use of available resources through parallelization / multi-threading of the scrub process seems like a good idea.



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