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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-22121) Spark should fix hive table location for hdfs HA
Date Tue, 26 Sep 2017 01:01:47 GMT

     [ https://issues.apache.org/jira/browse/SPARK-22121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-22121:
------------------------------------

    Assignee: Apache Spark  (was: Imran Rashid)

> Spark should fix hive table location for hdfs HA
> ------------------------------------------------
>
>                 Key: SPARK-22121
>                 URL: https://issues.apache.org/jira/browse/SPARK-22121
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Imran Rashid
>            Assignee: Apache Spark
>
> When converting an existing hdfs setup to have multiple namenodes, users *should* run
the hive metatool to change the location of the metastore, to refer to the nameservice, instead
of a specific namenode.  (See the {{updateLocation}} section of the [metatool docs|https://cwiki.apache.org/confluence/display/Hive/Hive+MetaTool].)
> However, users tend to forget to do this.  If hdfs HA is turned on after a hive database
is already created, the db location may still reference just one namenode, instead of the
nameservice.  To be a little more user friendly, Spark should detect the misconfiguration
and try to auto-adjust for it.  (This is the behavior from hive as well.)



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