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  1. Ambari
  2. AMBARI-12751

MapRed history server is shown as stopped after downgrade

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Invalid
    • 2.1.0
    • 2.1.2
    • ambari-server
    • None

    Description

      RU precheck requires "mapreduce.jobhistory.recovery.store.class" property to be set in the mapred-site.xml with value "org.apache.hadoop.mapreduce.v2.hs.HistoryServerLeveldbStateStoreService"

      With this value set, the HDP 2.2 level MapRed history server can not start. It shows an err about class org.apache.hadoop.mapreduce.v2.hs.HistoryServerLeveldbStateStoreService does not exist.

      When downgrading, the mapred properties added to pass the RU precheck needs to be removed.

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            dili Di Li
            dili Di Li
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