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From "Benjamin Mahler (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MESOS-681) Document the 0.19.0 reconciliation API.
Date Wed, 21 May 2014 19:05:38 GMT

     [ https://issues.apache.org/jira/browse/MESOS-681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benjamin Mahler updated MESOS-681:
----------------------------------

    Description: 
Now that we have a reconciliation mechanism, we should document why it exists and how to use
it in 0.19.0 and going forward.

As we add the lower level API, reconciliation may be done slightly differently. Having documentation
that reflects the changes would be great.

It might also be helpful to upload my slides from the May 19th meetup.

  was:
Once we have a Registrar in the master persistently storing slave information, there will
remain a smaller number of scenarios where updates can be lost in the system. This ticket
is to carefully think through and document these cases so that we can identify possible improvements.

For example, if a slave machine fails and is not brought back up, and the master fails over
during this time. Then the master will send a slaveLost signal to the scheduler (but will
not be able to send TASK_LOST for each individual task that was on the slave).

This way, framework developers will get a better sense of how reliable status updates are,
and under what circumstances they may not be delivered.

        Summary: Document the 0.19.0 reconciliation API.  (was: Document known cases where
updates can be lost.)

> Document the 0.19.0 reconciliation API.
> ---------------------------------------
>
>                 Key: MESOS-681
>                 URL: https://issues.apache.org/jira/browse/MESOS-681
>             Project: Mesos
>          Issue Type: Task
>          Components: documentation
>            Reporter: Benjamin Mahler
>             Fix For: 0.19.0
>
>
> Now that we have a reconciliation mechanism, we should document why it exists and how
to use it in 0.19.0 and going forward.
> As we add the lower level API, reconciliation may be done slightly differently. Having
documentation that reflects the changes would be great.
> It might also be helpful to upload my slides from the May 19th meetup.



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