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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5169) Make consumption of input channels fair
Date Thu, 08 Dec 2016 14:01:05 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15732288#comment-15732288

ASF GitHub Bot commented on FLINK-5169:

GitHub user BorisOsipov opened a pull request:


    [FLINK-5169] Fix String.format() wildcards

    Thanks for contributing to Apache Flink. Before you open your pull request, please take
the following check list into consideration.
    If your changes take all of the items into account, feel free to open your pull request.
For more information and/or questions please refer to the [How To Contribute guide](http://flink.apache.org/how-to-contribute.html).
    In addition to going through the list, please provide a meaningful description of your
    - [ ] General
      - The pull request references the related JIRA issue ("[FLINK-XXX] Jira title text")
      - The pull request addresses only one issue
      - Each commit in the PR has a meaningful commit message (including the JIRA id)
    - [ ] Documentation
      - Documentation has been added for new functionality
      - Old documentation affected by the pull request has been updated
      - JavaDoc for public methods has been added
    - [ ] Tests & Build
      - Functionality added by the pull request is covered by tests
      - `mvn clean verify` has been executed successfully locally or a Travis build has passed
    - small string format fix

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/BorisOsipov/flink StringFormatIssues

Alternatively you can review and apply these changes as the patch at:


To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2967
commit 2980a99161c9a4a1d35662299b7eb61f12c6b4e8
Author: Boris Osipov <boris_osipov@epam.com>
Date:   2016-12-08T13:58:21Z

    [FLINK-5169] Make consumption of input channels fair
    - small string format fix


> Make consumption of input channels fair
> ---------------------------------------
>                 Key: FLINK-5169
>                 URL: https://issues.apache.org/jira/browse/FLINK-5169
>             Project: Flink
>          Issue Type: Improvement
>          Components: Network
>            Reporter: Ufuk Celebi
>            Assignee: Ufuk Celebi
>            Priority: Critical
>             Fix For: 1.2.0, 1.1.4
> The input channels on the receiver side of the network stack queue incoming data and
notify the input gate about available data. These notifications currently determine the order
in which input channels are consumed, which can lead to unfair consumption patterns where
faster channels are favored over slower ones.

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