fine-grained control over data directories
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Key: CASSANDRA-2749
URL: https://issues.apache.org/jira/browse/CASSANDRA-2749
Project: Cassandra
Issue Type: New Feature
Components: Core
Reporter: Jonathan Ellis
Priority: Minor
Currently Cassandra supports multiple data directories but no way to control
what sstables are placed where. Particularly for systems with mixed SSDs and
rotational disks, it would be nice to pin frequently accessed columnfamilies to
the SSDs.
Postgresql does this with tablespaces
(http://www.postgresql.org/docs/9.0/static/manage-ag-tablespaces.html) but we
should probably avoid using that name because of confusing similarity to
"keyspaces."
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