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  1. Hadoop YARN
  2. YARN-4307

Display blacklisted nodes for AM container in the RM web UI

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      In pseudo cluster had 2 NM's and had launched app with incorrect configuration ./hadoop org.apache.hadoop.mapreduce.SleepJob -Dmapreduce.job.node-label-expression=labelX -Dyarn.app.mapreduce.am.env=JAVA_HOME=/no/jvm/here -m 5 -mt 1200.
      First attempt failed and 2nd attempt was launched, but the application was hung. In the scheduler logs found that localhost was blacklisted but in the UI (app& apps listing page) count was shown as zero and as well no hosts listed in the app page.

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        1. webpage.png
          278 kB
          Naganarasimha G R
        2. yarn-capacity-scheduler-debug.log
          729 kB
          Naganarasimha G R
        3. RMappAttempt.png
          233 kB
          Naganarasimha G R
        4. AppInfoPage.png
          216 kB
          Naganarasimha G R
        5. YARN-4307.v1.001.patch
          11 kB
          Naganarasimha G R
        6. YARN-4307.v1.002.patch
          17 kB
          Naganarasimha G R
        7. YARN-4307.v1.003.patch
          18 kB
          Naganarasimha G R
        8. YARN-4307.v1.004.patch
          19 kB
          Naganarasimha G R
        9. YARN-4307.v1.005.patch
          19 kB
          Naganarasimha G R
        10. YARN-4307-branch-2.8.txt
          20 kB
          Vinod Kumar Vavilapalli

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            Naganarasimha Naganarasimha G R
            Naganarasimha Naganarasimha G R
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