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Posted to dev@mesos.apache.org by "Yan Xu (JIRA)" <ji...@apache.org> on 2013/12/17 01:13:08 UTC
[jira] [Updated] (MESOS-884) Incorrect asynchronous detection and
contention loops in Master
[ https://issues.apache.org/jira/browse/MESOS-884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yan Xu updated MESOS-884:
-------------------------
Description:
The detection/contention workflow in Master currently works like this:
contend -> contended -> detect -> detected
-> lostCandidacy -> contend -> contended -> detect -> detected
They are not formulated as two separate loops
contend -> contended -> lostCandidacy -> contend
detect -> detected -> detect
so that it's possible for [contended()|https://github.com/apache/mesos/blob/9cbb81ba4c17b4f6e88ef20d47c9158d0a5ea5c6/src/master/master.cpp#L685] to produce more detect -> detected -> detect loops when there are existing such loops running.
They should be modeled as two independent closed loops.
was:
The detection/contention workflow in Master currently works like this:
contend -> contended -> detect -> detected
-> lostCandidacy -> contend -> contended -> detect -> detected
They are not formulated as two separate loops so that it's possible for [contended()|https://github.com/apache/mesos/blob/9cbb81ba4c17b4f6e88ef20d47c9158d0a5ea5c6/src/master/master.cpp#L685] to produce more detect -> detected -> detect loops when there are existing such loops running.
They should be modeled as two independent closed loops.
> Incorrect asynchronous detection and contention loops in Master
> ---------------------------------------------------------------
>
> Key: MESOS-884
> URL: https://issues.apache.org/jira/browse/MESOS-884
> Project: Mesos
> Issue Type: Bug
> Reporter: Yan Xu
> Assignee: Yan Xu
> Fix For: 0.16.0
>
>
> The detection/contention workflow in Master currently works like this:
> contend -> contended -> detect -> detected
> -> lostCandidacy -> contend -> contended -> detect -> detected
> They are not formulated as two separate loops
> contend -> contended -> lostCandidacy -> contend
> detect -> detected -> detect
> so that it's possible for [contended()|https://github.com/apache/mesos/blob/9cbb81ba4c17b4f6e88ef20d47c9158d0a5ea5c6/src/master/master.cpp#L685] to produce more detect -> detected -> detect loops when there are existing such loops running.
> They should be modeled as two independent closed loops.
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