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Posted to commits@cassandra.apache.org by "Benedict (JIRA)" <ji...@apache.org> on 2015/02/05 22:17:35 UTC

[jira] [Created] (CASSANDRA-8750) Ensure SSTableReader.last corresponds exactly the file end

Benedict created CASSANDRA-8750:
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             Summary: Ensure SSTableReader.last corresponds exactly the file end
                 Key: CASSANDRA-8750
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8750
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Benedict
            Assignee: Benedict
            Priority: Minor
             Fix For: 2.1.4


Following on from CASSANDRA-8744, CASSANDRA-8749 and CASSANDRA-8747, this patch attempts to make the whole opening early of compaction results more robust and with more clearly understood behaviour. The improvements of CASSANDRA-8747 permit is to easily align the last key with a summary boundary, and an index and data file end position. This patch modifies SegmentedFile to permit the provision of an explicit length, which is then provided to any readers, which enforce it, ensuring no code may accidentally see an end inconsistent with the one advertised. 



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