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Posted to issues@kudu.apache.org by "Mike Percy (JIRA)" <ji...@apache.org> on 2016/02/26 12:41:18 UTC

[jira] [Updated] (KUDU-466) Generify the initial config change to work like any other leader election

     [ https://issues.apache.org/jira/browse/KUDU-466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Percy updated KUDU-466:
----------------------------
    Parent: KUDU-410

> Generify the initial config change to work like any other leader election
> -------------------------------------------------------------------------
>
>                 Key: KUDU-466
>                 URL: https://issues.apache.org/jira/browse/KUDU-466
>             Project: Kudu
>          Issue Type: Sub-task
>          Components: consensus
>    Affects Versions: M4.5
>            Reporter: Jean-Daniel Cryans
>            Assignee: David Alves
>   Original Estimate: 32h
>          Time Spent: 36h
>  Remaining Estimate: 8h
>
> Right now, a leader tablet isn't fully created until it has established quorum with the followers. This poses a timing issue when there are more tablets than available workers, since you can get into a situation where all the workers are occupied by leaders that are waiting.
> The solution is to establish the quorum only after the leader is fully created, meaning that the tablet won't be usable until that is done.
> I'll let David fill in the details on how to fix this.



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