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Posted to commits@beam.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/08/28 12:41:00 UTC
[jira] [Work logged] (BEAM-4861) Hadoop Filesystem silently fails
[ https://issues.apache.org/jira/browse/BEAM-4861?focusedWorklogId=138783&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-138783 ]
ASF GitHub Bot logged work on BEAM-4861:
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Author: ASF GitHub Bot
Created on: 28/Aug/18 12:40
Start Date: 28/Aug/18 12:40
Worklog Time Spent: 10m
Work Description: timrobertson100 opened a new pull request #6285: [BEAM-4861] Autocreate directories when doing an HDFS rename
URL: https://github.com/apache/beam/pull/6285
Improves HDFS filesystem operations by
1. Auto-creating missing parent directories for the HDFS rename()
2. Throw error if a copy operation indicates it was not successful (precautionary)
This paves the way for BEAM-5036 which will improve the performance on HDFS by making use of rename instead of copy&delete for moving the temporary files into place.
PTAL @JozoVilcek & @reuvenlax
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Issue Time Tracking
-------------------
Worklog Id: (was: 138783)
Time Spent: 10m
Remaining Estimate: 0h
> Hadoop Filesystem silently fails
> --------------------------------
>
> Key: BEAM-4861
> URL: https://issues.apache.org/jira/browse/BEAM-4861
> Project: Beam
> Issue Type: Bug
> Components: io-java-hadoop
> Reporter: Jozef Vilcek
> Assignee: Chamikara Jayalath
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Hi,
> beam Filesystem operations copy, rename and delete are void in SDK. Hadoop native filesystem operations are not and returns void. Current implementation in Beam ignores the result and pass as long as exception is not thrown.
> I got burned by this when using 'rename' to do a 'move' operation on HDFS. If target directory does not exists, operations returns false and do not touch the file.
> [https://github.com/apache/beam/blob/master/sdks/java/io/hadoop-file-system/src/main/java/org/apache/beam/sdk/io/hdfs/HadoopFileSystem.java#L148]
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