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Posted to commits@cassandra.apache.org by "Sam Tunnicliffe (Jira)" <ji...@apache.org> on 2020/08/24 10:47:00 UTC
[jira] [Updated] (CASSANDRA-14801) calculatePendingRanges no longer
safe for multiple adjacent range movements
[ https://issues.apache.org/jira/browse/CASSANDRA-14801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sam Tunnicliffe updated CASSANDRA-14801:
----------------------------------------
Reviewers: Blake Eggleston, Sam Tunnicliffe, Sam Tunnicliffe (was: Blake Eggleston, Sam Tunnicliffe)
Blake Eggleston, Sam Tunnicliffe, Sam Tunnicliffe (was: Blake Eggleston)
Status: Review In Progress (was: Patch Available)
> calculatePendingRanges no longer safe for multiple adjacent range movements
> ---------------------------------------------------------------------------
>
> Key: CASSANDRA-14801
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14801
> Project: Cassandra
> Issue Type: Bug
> Components: Legacy/Coordination, Legacy/Distributed Metadata
> Reporter: Benedict Elliott Smith
> Assignee: Aleksandr Sorokoumov
> Priority: Normal
> Labels: pull-request-available
> Fix For: 4.0, 4.0-beta
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Correctness depended upon the narrowing to a {{Set<InetAddressAndport>}}, which we no longer do - we maintain a collection of all {{Replica}}. Our {{RangesAtEndpoint}} collection built by {{getPendingRanges}} can as a result contain the same endpoint multiple times; and our {{EndpointsForToken}} obtained by {{TokenMetadata.pendingEndpointsFor}} may fail to be constructed, resulting in cluster-wide failures for writes to the affected token ranges for the duration of the range movement.
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