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https://issues.apache.org/jira/browse/CASSANDRA-519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stu Hood updated CASSANDRA-519:
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Attachment: 519-biginteger-midpoint.diff
The implementations of midpoint in RPP and OPP were fairly optimized, but we
would have needed to reimplement more of the operations in BigInteger in order
to support wrapping ranges.
Instead, this patch reuses the BigInteger based midpoint implementation, and
moves it into FBUtilities.midpoint. The partitioners convert their tokens into
bit arrays represented as BigIntegers.
> bug in CollatedOrderPreservingPartitioner.midpoint
> --------------------------------------------------
>
> Key: CASSANDRA-519
> URL: https://issues.apache.org/jira/browse/CASSANDRA-519
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Stu Hood
> Priority: Minor
> Fix For: 0.9
>
> Attachments: 519-biginteger-midpoint.diff
>
>
> assert FBUtilities.isEqualBits(MINIMUM.token, rbytes);
> fails frequently when running the test added for CASSANDRA-517. just revert
> patch 03 and it will fail several times out of 10 test runs (when range3 is a
> wrapping range, presumably)
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