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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/06/24 23:33:04 UTC
[jira] [Commented] (SPARK-8604) Parquet data source doesn't write
summary file while doing appending
[ https://issues.apache.org/jira/browse/SPARK-8604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14600190#comment-14600190 ]
Apache Spark commented on SPARK-8604:
-------------------------------------
User 'liancheng' has created a pull request for this issue:
https://github.com/apache/spark/pull/6998
> Parquet data source doesn't write summary file while doing appending
> --------------------------------------------------------------------
>
> Key: SPARK-8604
> URL: https://issues.apache.org/jira/browse/SPARK-8604
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.4.0
> Reporter: Cheng Lian
> Assignee: Cheng Lian
>
> Currently, Parquet and ORC data sources don't set their output format class, as we override the output committer in Spark SQL. However, SPARK-8678 ignores user defined output committer class while doing appending to avoid potential issues brought by direct output committers (e.g. {{DirectParquetOutputCommitter}}). This makes both of these data sources fallback to the default output committer retrieved from {{TextOutputFormat}}, which is {{FileOutputCommitter}}. For ORC, it's totally fine since ORC itself just uses {{FileOutputCommitter}}. But for Parquet, {{ParquetOutputCommitter}} also writes the summary files while committing the job.
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