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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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