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https://issues.apache.org/jira/browse/HBASE-26215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17403634#comment-17403634
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Zhuoyue Huang commented on HBASE-26215:
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Since the backup master status page will remove the MasterAddressTracker, and
there is no direct method to obtain ActiveMasterManager (I saw that
ActiveMasterManager is a private member of HMaster, and all values in
ActiveMasterManager should be returned through HMaster’s public methods). I
added some code to make the backup master status page easily retrieve the
information it needs.
> The backup master status page should use ActiveMasterManager instead of
> MasterAddressTracker
> --------------------------------------------------------------------------------------------
>
> Key: HBASE-26215
> URL: https://issues.apache.org/jira/browse/HBASE-26215
> Project: HBase
> Issue Type: Sub-task
> Components: master, UI
> Reporter: Duo Zhang
> Assignee: Zhuoyue Huang
> Priority: Major
>
> On master we already have ActiveMasterManager for tracking active master and
> backup masters, so we do not need to use MasterAddressTracker.
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