Tupshin Harper created CASSANDRA-7362:
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Summary: Be able to selectively "mount" a snapshot of a table as a
read-only version of that table
Key: CASSANDRA-7362
URL: https://issues.apache.org/jira/browse/CASSANDRA-7362
Project: Cassandra
Issue Type: New Feature
Components: Core, Tools
Reporter: Tupshin Harper
Priority: Minor
Fix For: 3.0
When doing batch jobs (thinking hive and shark as prominent examples) or
repeated analysis of the same data, it can be challenging to get a consistent
result if the data is changing under your feet. Rather than the low level
CASSSANDRA-2527, I propose that we add the capability to take a named snapshot
(exact uuid in 2.1 and later), and be able to activate and deactivate it as a
regular sstable (e.g. myks.mytable snapshot could be activated as
myks.mytable-longuuid). That table would be queryable just like any other, but
would not be writable. Any attempt to insert or update would throw an
exception. Because it would
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