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https://issues.apache.org/jira/browse/BEAM-1856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15952559#comment-15952559
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Davor Bonaci commented on BEAM-1856:
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Thanks [~397090770] for this contribution!
> HDFSFileSink class do not use the same configuration in master and slave
> ------------------------------------------------------------------------
>
> Key: BEAM-1856
> URL: https://issues.apache.org/jira/browse/BEAM-1856
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-extensions
> Affects Versions: 0.6.0
> Reporter: yangping wu
> Assignee: yangping wu
>
> I have a code snippet as follow:
> {code}
> Read.Bounded<KV<LongWritable, Text>> from =
> Read.from(HDFSFileSource.from(options.getInputFile(), TextInputFormat.class,
> LongWritable.class, Text.class));
> PCollection<KV<LongWritable, Text>> data = p.apply(from);
> data.apply(MapElements.via(new SimpleFunction<KV<LongWritable, Text>,
> String>() {
> @Override
> public String apply(KV<LongWritable, Text> input) {
> return input.getValue() + "\t" + input.getValue();
> }
> })).apply(Write.to(HDFSFileSink.<String>toText(options.getOutputFile())));
> {code}
> and submit job like this:
> {code}
> spark-submit --class org.apache.beam.examples.WordCountHDFS --master
> yarn-client \
> ./target/word-count-beam-bundled-0.1.jar
> \
> --runner=SparkRunner
> \
> --inputFile=hdfs://master/tmp/input/
> \
> --outputFile=/tmp/output/
> {code}
> Then {{HDFSFileSink.validate}} function will check whether the local
> filesystem (not HDFS) exists {{/tmp/output/}} directory.
> But the final result will store in {{hdfs://master/tmp/output/}} directory in
> HDFS filesystem.
> The reason is {{HDFSFileSink}} class do not use the same configuration in
> master thread and slave thread.
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