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https://issues.apache.org/jira/browse/HELIX-626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15102745#comment-15102745
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ASF GitHub Bot commented on HELIX-626:
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Github user jicongrui commented on the pull request:
https://github.com/apache/helix/pull/43#issuecomment-172133798
Helix already have this concept, which is called Criteria, and this field
is part of Criteria.
Other fields contains instance name, partition name, partition state, etc.
> Enable specify the number of recipient when sending a message
> -------------------------------------------------------------
>
> Key: HELIX-626
> URL: https://issues.apache.org/jira/browse/HELIX-626
> Project: Apache Helix
> Issue Type: Task
> Reporter: Congrui Ji
>
> Helix allow messages to be sent to a partition with specific state. e.g.
> Sending message to PARTITION_8 whose state is SLAVE.
> However, sometimes user wish the message is sent to only ONE SLAVE rather
> than ALL SLAVEs, e.g. A backup message should be sent to only ONE SLAVE.
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