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Posted to commits@cassandra.apache.org by "Maxim Podkolzine (JIRA)" <ji...@apache.org> on 2015/03/23 15:02:11 UTC

[jira] [Created] (CASSANDRA-9018) Dropped keyspace is not collected

Maxim Podkolzine created CASSANDRA-9018:
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             Summary: Dropped keyspace is not collected
                 Key: CASSANDRA-9018
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9018
             Project: Cassandra
          Issue Type: Bug
            Reporter: Maxim Podkolzine
         Attachments: cassandra-log.zip

As far as I understand when a keyspace is dropped, the data is marked as tombstone. We expect that after the grace period (all tables are created with gc_grace_seconds=7200), this data is automatically removed during the compaction process, which means that keyspace no longer takes any space on disk.

This is not happening (not after 2 or 24 hours). The log keeps saying "No files to compact for user defined compaction", keyspace files remain on disk. It's not clear whether Cassandra is still waiting for certain event, or decided not to collect the data.

Is there any setting that I missed? Any clues to figure out from the log, what's the current state.



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