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https://issues.apache.org/jira/browse/SPARK-26577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun closed SPARK-26577.
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> Add input optimizer when reading Hive table by SparkSQL
> -------------------------------------------------------
>
> Key: SPARK-26577
> URL: https://issues.apache.org/jira/browse/SPARK-26577
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.1
> Reporter: Deegue
> Priority: Minor
>
> When using SparkSQL, for example the ThriftServer, if we set
> `spark.sql.hive.inputFormat.optimizer.enabled=true`
> we can optimize the InputFormat to CombineTextInputFormat automatically if
> it's TextInputFormat before. And we can also change the max/min size of input
> splits by setting, for example
> `mapreduce.input.fileinputformat.split.maxsize=268435456`
> `mapreduce.input.fileinputformat.split.minsize=134217728`
>
> Otherwise, we have to modify Hive Configs and structure of tables.
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