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https://issues.apache.org/jira/browse/HIVE-13217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Szehon Ho updated HIVE-13217:
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Assignee: (was: Xuefu Zhang)
> Replication for HoS mapjoin small file needs to respect dfs.replication.max
> ---------------------------------------------------------------------------
>
> Key: HIVE-13217
> URL: https://issues.apache.org/jira/browse/HIVE-13217
> Project: Hive
> Issue Type: Bug
> Components: Spark
> Affects Versions: 1.2.1, 2.0.0
> Reporter: Szehon Ho
> Priority: Minor
>
> Currently Hive on Spark Mapjoin replicates small table file to a hard-coded
> value of 10. See SparkHashTableSinkOperator.MIN_REPLICATION.
> When dfs.replication.max is less than 10, HoS query fails. This constant
> should cap at dfs.replication.max.
> Normally dfs.replication.max seems set at 512.
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