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https://issues.apache.org/jira/browse/ORC-162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16142438#comment-16142438
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Dongjoon Hyun commented on ORC-162:
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This is a duplicate of ORC-103.
> Handle 0 byte files as empty ORC files
> --------------------------------------
>
> Key: ORC-162
> URL: https://issues.apache.org/jira/browse/ORC-162
> Project: ORC
> Issue Type: Bug
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
>
> Hive often creates empty files for empty buckets, which can introduce
> significant load on the HDFS cluster. Therefore, they made the Hive
> OrcOutputFormat and OrcInputFormat use 0 byte ORC files as a special case.
> We need to make the other readers treat them reasonably.
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