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Ted Zlatanov commented on CASSANDRA-976:
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I'm very comfortable letting you and Gary pick the one you like :) I was just
curious how you planned to resolve this common scenario.
FWIW I wouldn't have an Attic directory. I would:
1) forbid Thrift clients from creating or renaming a keyspace to anything
starting with "@";
2) on drop, rename internally to "@%s-%d" with a millisecond timestamp, failing
the drop operation if it fails 10 times;
3) on cleanup, remove @*
That way your filesystem hierarchy stays nice and flat and you don't introduce
new things in it. Also renames in the same directory are atomic and pretty
fail-safe on all platforms, while renaming to another directory can potentially
fail in many annoying ways. But as I said, I'm happy with whatever works, I
just don't want the clutter of dropped keyspaces from my tests.
> clean up dropped keyspaces' directories
> ---------------------------------------
>
> Key: CASSANDRA-976
> URL: https://issues.apache.org/jira/browse/CASSANDRA-976
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Ted Zlatanov
> Priority: Minor
>
> When a keyspace is dropped, the data directory should be rmdir()ed.
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