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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:33:31 UTC
[jira] [Resolved] (SPARK-16737) ListingFileCatalog comments about
RPC calls in object store isn't correct
[ https://issues.apache.org/jira/browse/SPARK-16737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-16737.
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Resolution: Incomplete
> ListingFileCatalog comments about RPC calls in object store isn't correct
> -------------------------------------------------------------------------
>
> Key: SPARK-16737
> URL: https://issues.apache.org/jira/browse/SPARK-16737
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Steve Loughran
> Priority: Trivial
> Labels: bulk-closed
>
> The comment text which came in with SPARK-16121 says
> {code}
> - Although S3/S3A/S3N file system can be quite slow for remote file metadata
> // operations, calling `getFileBlockLocations` does no harm here since these file system
> // implementations don't actually issue RPC for this method.
> {code}
> That doesn't hold for openstack swift , which can exhibit rack locality if the swift nodes are spread across the same racks as the application. It is safest to remove that comment:
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