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https://issues.apache.org/jira/browse/ORC-162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16146084#comment-16146084
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ASF GitHub Bot commented on ORC-162:
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Github user omalley commented on the issue:
https://github.com/apache/orc/pull/163
The problem is that Hive is doing this across the board. See HIVE-13040.
Making the reader not throw is ok, if slightly incompatible. This patch
doesn't change the writer to write such files.
> 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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