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Posted to notifications@accumulo.apache.org by "Ivan Bella (JIRA)" <ji...@apache.org> on 2017/02/15 21:25:41 UTC

[jira] [Assigned] (ACCUMULO-4043) start-up needs to scale with the number of servers

     [ https://issues.apache.org/jira/browse/ACCUMULO-4043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan Bella reassigned ACCUMULO-4043:
------------------------------------

    Assignee: Ivan Bella

> start-up needs to scale with the number of servers
> --------------------------------------------------
>
>                 Key: ACCUMULO-4043
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4043
>             Project: Accumulo
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 1.6.4
>         Environment: very large production cluster
>            Reporter: Eric Newton
>            Assignee: Ivan Bella
>             Fix For: 1.8.2, 2.0.0
>
>
> When starting a very large production cluster, the master gets running fast enough that it loads the metadata table before all the tservers are registered and running. The result is a very long balancing period after all servers started. The wait period for the tablet server stabilization needs to scale somewhat with the number of tablet servers.



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