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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2488) Expose attemptNumber in RuntimeContext
Date Wed, 02 Dec 2015 22:12:11 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15036747#comment-15036747

ASF GitHub Bot commented on FLINK-2488:

Github user sachingoel0101 commented on the pull request:

    Yes. I was planning to start working on that after this. Since it's
    preferable to fix different jiras in different commits, it'd be good if I
    can base my work after this is committed. What do you think?
    On Dec 2, 2015 6:39 PM, "Stephan Ewen" <notifications@github.com> wrote:
    > This generally looks good and pretty straight forward.
    > As such it is actually good to merge.
    > I remember that a while back, we were discussing to create a TaskInfo
    > object that would contain "subtaskIndex", "parallelism", "name",
    > "name-with-subtask", "attempt", "vertex id", "attempt id", etc...
    > Having such an object would allow to pass all these elements simply from
    > the TaskDeploymentDescriptor to the Task to the RuntimeContext. And
    > whenever we add another field, we need not propagate it manually through
    > all the functions calls, but simply add it to the TaskInfo.
    > What do you think?
    > —
    > Reply to this email directly or view it on GitHub
    > <https://github.com/apache/flink/pull/1386#issuecomment-161286037>.

> Expose attemptNumber in RuntimeContext
> --------------------------------------
>                 Key: FLINK-2488
>                 URL: https://issues.apache.org/jira/browse/FLINK-2488
>             Project: Flink
>          Issue Type: Improvement
>          Components: JobManager, TaskManager
>    Affects Versions: 0.10.0
>            Reporter: Robert Metzger
>            Assignee: Sachin Goel
>            Priority: Minor
> It would be nice to expose the attemptNumber of a task in the {{RuntimeContext}}. 
> This would allow user code to behave differently in restart scenarios.

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