Details
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Bug
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Status: Resolved
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Major
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Resolution: Invalid
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2.1.0
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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.