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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-5514) Allow timestamp hints
Date Thu, 25 Apr 2013 15:46:15 GMT
Jonathan Ellis created CASSANDRA-5514:
-----------------------------------------

             Summary: Allow timestamp hints
                 Key: CASSANDRA-5514
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5514
             Project: Cassandra
          Issue Type: New Feature
          Components: API, Core
            Reporter: Jonathan Ellis
             Fix For: 2.0


Slice queries can't optimize based on timestamp except for rare cases (CASSANDRA-4116).  However,
many common queries involve an implicit time component, where the application author knows
that he is only interested in data more recent than X, or older than Y.

We could use the per-sstable max and min timestamps we track to avoid touching cold data if
we could pass a hint to Cassandra about the time range we care about.

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