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https://issues.apache.org/jira/browse/HBASE-1982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12792695#action_12792695
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Andrew Purtell commented on HBASE-1982:
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The simplest and most direct approach is to support a new command line
parameter for the master which sets the minimum number of region servers that
must check in before user tables are deployed.
> [EC2] handle potentially large and uneven instance startup times
> ----------------------------------------------------------------
>
> Key: HBASE-1982
> URL: https://issues.apache.org/jira/browse/HBASE-1982
> Project: Hadoop HBase
> Issue Type: Sub-task
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Priority: Minor
> Fix For: 0.20.3, 0.21.0
>
>
> The variability in instance start latency may impact a HBase cluster. All the
> slaves are started with one invocation of ec2-run-instances but not all may
> come up at once. Handle potentially large and uneven instance startup times
> through a master configuration option that prevents assignment of user tables
> until the configured number of region servers are up.
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