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Posted to notifications@accumulo.apache.org by "Christopher Tubbs (JIRA)" <ji...@apache.org> on 2017/02/16 21:39:42 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=15870737#comment-15870737 ]
Christopher Tubbs commented on ACCUMULO-4043:
---------------------------------------------
A start-up delay parameter, similar to the gc startup delay, could help the user decide what the appropriate value should be for their situation.
> 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: 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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