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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/08/07 18:34:46 UTC
[jira] [Assigned] (SPARK-9743) Scanning a HadoopFsRelation
shouldn't requrire refreshing
[ https://issues.apache.org/jira/browse/SPARK-9743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-9743:
-----------------------------------
Assignee: Apache Spark (was: Cheng Lian)
> Scanning a HadoopFsRelation shouldn't requrire refreshing
> ---------------------------------------------------------
>
> Key: SPARK-9743
> URL: https://issues.apache.org/jira/browse/SPARK-9743
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.5.0
> Reporter: Cheng Lian
> Assignee: Apache Spark
> Priority: Blocker
>
> PR #7969 added {{HadoopFsRelation.refresh()}} calls in {{DataSourceStrategy}} to make test case {{InsertSuite.save directly to the path of a JSON table}} pass. However, this forces every {{HadoopFsRelation}} table scan to do a refreshing, which can be super expensive for tables with large number of partitions.
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