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Posted to commits@cassandra.apache.org by "Wei Deng (JIRA)" <ji...@apache.org> on 2016/08/05 08:31:20 UTC

[jira] [Created] (CASSANDRA-12388) For LeveledCompactionStrategy, provide a JMX interface to trigger printing out LeveledManifest

Wei Deng created CASSANDRA-12388:
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             Summary: For LeveledCompactionStrategy, provide a JMX interface to trigger printing out LeveledManifest
                 Key: CASSANDRA-12388
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12388
             Project: Cassandra
          Issue Type: Improvement
          Components: Compaction
            Reporter: Wei Deng
            Priority: Minor


It appears that we have a private toString() method in LeveledManifest, but it's only used from within the class, even though it has capability of printing all SSTables on all levels. We used to be able to get this information from the manifest file in data directory, but after CASSANDRA-4872 this is no longer available. It will be useful for troubleshooting if we can have a JMX MBean method to trigger printing out the full generations list of a particular manifest instance.



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