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https://issues.apache.org/jira/browse/MESOS-1453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benjamin Mahler updated MESOS-1453:
-----------------------------------
Summary: Update reconciliation semantics send statuses for each task.
(was: Update reconciliation semantics to take only task ids and send statuses
for each task.)
> Update reconciliation semantics send statuses for each task.
> ------------------------------------------------------------
>
> Key: MESOS-1453
> URL: https://issues.apache.org/jira/browse/MESOS-1453
> Project: Mesos
> Issue Type: Improvement
> Affects Versions: 0.19.0
> Reporter: Benjamin Mahler
> Fix For: 0.20.0
>
>
> Currently, we only reply to a reconciliation request when the task state
> differs. This makes it difficult for a framework to implement reconciliation:
> if the framework does not receive an update for the task, it cannot determine
> if this was because the state is valid, or the slave was transitioning, or
> the master has not recovered yet.
> As a consequence of this, frameworks looking to reconcile tasks need to
> continually retry at small intervals to compensate for the lack of ability to
> differentiate the cases listed above.
> A solution to this problem is update the reconciliation API to instead just
> send the task ids to be reconciled, and the master will send an update for
> all of the tasks, if possible. This means we no longer compare task states to
> determine when to send an update.
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