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https://issues.apache.org/jira/browse/CASSANDRA-8750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14343050#comment-14343050
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Benedict commented on CASSANDRA-8750:
-------------------------------------
I've added comments and pushed to the git repo. Let me know if they're not
sufficiently explanatory.
> Ensure SSTableReader.last corresponds exactly with 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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