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From "Jin Yibo (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-7044) Distributed Scheduling has invalid AMRMToken
Date Sun, 28 Jan 2018 07:32:00 GMT
Jin Yibo created MAPREDUCE-7044:

             Summary: Distributed Scheduling has invalid AMRMToken
                 Key: MAPREDUCE-7044
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7044
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mr-am
    Affects Versions: 3.0.0-alpha2
            Reporter: Jin Yibo
             Fix For: 3.0.0-alpha2

When we use distributed scheduling at nodemanager, the amrmproxy will replace the token of
app with the local one (we suppose amrmproxy will be always on when we need distributed scheduling).
However, if we enable the distributed scheduling in yarn.xml, the am will directly connect
with rm instead of amrmproxy and then lead to invalid amrmtoken. This is because the token
is replaced by amrmproxy. Therefore, we should tell am to consult amrmproxy at local nodemanager
as its scheduler instead of rm directly when we want distributed scheduling.

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