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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1982) [EC2] handle potentially large and uneven instance startup times
Date Mon, 21 Dec 2009 06:52:18 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-1982:
----------------------------------

    Status: Patch Available  (was: Open)

> [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
>
>         Attachments: HBASE-1982.patch
>
>
> 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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