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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