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https://issues.apache.org/jira/browse/BEAM-7613?focusedWorklogId=264780&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-264780
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ASF GitHub Bot logged work on BEAM-7613:
----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Jun/19 16:59
Start Date: 21/Jun/19 16:59
Worklog Time Spent: 10m
Work Description: lukecwik commented on pull request #8923: [BEAM-7613]
HadoopFileSystem can work with more than one cluster.
URL: https://github.com/apache/beam/pull/8923#discussion_r296317160
##########
File path:
sdks/java/io/hadoop-file-system/src/main/java/org/apache/beam/sdk/io/hdfs/HadoopFileSystem.java
##########
@@ -313,7 +328,7 @@ protected HadoopResourceId matchNewResource(String
singleResourceSpec, boolean i
@Override
protected String getScheme() {
- return fileSystem.getScheme();
+ return "hdfs";
Review comment:
I think it is ok if there are multiple configurations and we choose which
one based upon authority within a single HadoopFileSystem instance. Any
settings that a user puts down that are conflicting are up to them to resolve.
We or Hadoop can provide helpful errors if they do this but it is really up to
them to have valid hadoop configurations.
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Issue Time Tracking
-------------------
Worklog Id: (was: 264780)
Time Spent: 1h 20m (was: 1h 10m)
> HadoopFileSystem can be only used with fs.defaultFS
> ---------------------------------------------------
>
> Key: BEAM-7613
> URL: https://issues.apache.org/jira/browse/BEAM-7613
> Project: Beam
> Issue Type: Bug
> Components: io-java-hadoop-file-system
> Affects Versions: 2.13.0
> Reporter: David Moravek
> Assignee: David Moravek
> Priority: Major
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> _HadoopFileSystem_ creates underlying _FileSystem_ (one from
> org.apache.hadoop) instance during it's construction. Single _FileSystem_
> instance is tied to a particular cluster (scheme + authority pair). In case
> we want to talk to another cluster, this fail due to _FileSystem#checkPath_.
>
> This can be fixed by using _FileSystem#get(java.net.URI,
> org.apache.hadoop.conf.Configuration)_ instead of
> _FileSystem#newInstance(org.apache.hadoop.conf.Configuration)_{{}}
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