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https://issues.apache.org/jira/browse/MESOS-8942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16484565#comment-16484565
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Alexander Rukletsov commented on MESOS-8942:
--------------------------------------------
Proposed fix:
{noformat:title=In Master::updateTask()}
// If this is a (health) check status update, always forward it to subscribers.
if (status.reason() == TaskStatus::REASON_TASK_CHECK_STATUS_UPDATED ||
status.reason() == TaskStatus::REASON_TASK_HEALTH_CHECK_STATUS_UPDATED) {
sendSubscribersUpdate = true;
}
{noformat}
> Master streaming API does not send (health) check updates for tasks.
> --------------------------------------------------------------------
>
> Key: MESOS-8942
> URL: https://issues.apache.org/jira/browse/MESOS-8942
> Project: Mesos
> Issue Type: Task
> Components: HTTP API
> Affects Versions: 1.4.1, 1.5.0, 1.6.0
> Reporter: Alexander Rukletsov
> Assignee: Alexander Rukletsov
> Priority: Major
> Labels: api, mesosphere, streaming-api
>
> Currently, Master API subscribers get task status updates when task state
> changes (the actual logic is [slightly more
> complex|https://github.com/apache/mesos/blob/d7d7cfbc3e5609fc9a4e8de8203a6ecb11afeac7/src/master/master.cpp#L10794-L10841]).
> We use task status updates to deliver health and check information to
> schedulers, in which case task state does not change. Hence these updates are
> filtered out and the subscribers do not get any task health updates.
> Here is a test that confirms the described behaviour:
> https://gist.github.com/rukletsov/c079d95479fb134d137ea3ae8b7ae874
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