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https://issues.apache.org/jira/browse/HBASE-17202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell closed HBASE-17202.
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Assignee: (was: Ashu Pachauri)
> Master takes a long time to initialize
> --------------------------------------
>
> Key: HBASE-17202
> URL: https://issues.apache.org/jira/browse/HBASE-17202
> Project: HBase
> Issue Type: Improvement
> Components: Balancer, master
> Reporter: Ashu Pachauri
> Priority: Major
>
> On master failover or a full cluster restart, we create the
> RegionLocationFinder cache by calculating block locations for every region;
> this cache is used by the balancer for calculating region locality. This
> greatly increases the time it takes for the assignment manager to start and
> affects region availability in scenarios of full cluster restart.
> We should initialize assignment manager with the bare minimum information and
> asynchronously load the block location cache.
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