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From SaintBacchus <>
Subject [GitHub] spark pull request: [SPARK-8755][Streaming]Login user before readi...
Date Tue, 07 Jul 2015 08:59:24 GMT
GitHub user SaintBacchus reopened a pull request:

    [SPARK-8755][Streaming]Login user before reading the checkpoint file in hdfs.

    If the user set `spark.yarn.principal` and `spark.yarn.keytab` , he does not need `kinit`
in the client machine.
    But when the application was recorved from checkpoint file, it had to `kinit`, because:
    The checkpoint did not use this configurations before it use a DFSClient to fetch the
ckeckpoint file.
    But there is a small problem, the `UserGroupInformation.loginUserFromKeytab` will be called
twice in checkpoint application. Ignored it in this PR.
    [Jira Address](

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

    $ git pull SPARK-8755

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 #7158
commit 9ddd5b4bf5ca8c0759d411ac44e3ea02a578d1ba
Author: huangzhaowei <>
Date:   2015-07-01T12:18:50Z

    [SPARK-8755][Streaming]Login user before reading hdfs file.

commit be0df01ef86af835a64f4c69af4a5607c3c6f5a9
Author: huangzhaowei <>
Date:   2015-07-01T14:15:55Z

    Modify some code style.


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