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https://issues.apache.org/jira/browse/CASSANDRA-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13409625#comment-13409625
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Sam Overton commented on CASSANDRA-4121:
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updateNormalTokens has to remove any existing token mapping(s) from
tokenToEndpointMap and remove the endpoint from bootstrapping/leaving/moving
collections. resetEndpoints is just storing which endpoints we have already
done this for, to ensure it is only done once for each endpoint, the first time
we see it when iterating through tokenPairs.
The method should probably take Multimap<InetAddress, Token> instead of a
Set<Pair<Token, InetAddress>> which would simplify this logic somewhat.
> TokenMetadata supports multiple tokens per host
> -----------------------------------------------
>
> Key: CASSANDRA-4121
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4121
> Project: Cassandra
> Issue Type: Sub-task
> Components: Core
> Reporter: Sam Overton
> Assignee: Sam Overton
> Labels: vnodes
> Fix For: 1.2
>
>
> _Edit0: Append patch information._
> h3. Patches
> ||Compare||Raw diff||Description||
> |[01_support_multiple_tokens_per_host|https://github.com/acunu/cassandra/compare/top-bases/p/4121/01_support_multiple_tokens_per_host...p/4121/01_support_multiple_tokens_per_host]|[01_support_multiple_tokens_per_host.patch|https://github.com/acunu/cassandra/compare/top-bases/p/4121/01_support_multiple_tokens_per_host...p/4121/01_support_multiple_tokens_per_host.diff]|Support
> associating more than one token per node|
> ----
> _Note: These are branches managed with TopGit. If you are applying the patch
> output manually, you will either need to filter the TopGit metadata files
> (i.e. {{wget -O - <url> | filterdiff -x*.topdeps -x*.topmsg | patch -p1}}),
> or remove them afterward ({{rm .topmsg .topdeps}})._
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