Yes Felix, I have created input and output files in HDFS. http://localhost:50070/explorer.html#/user
But how we can access it ? bin/flink run ./examples/streaming/WordCount.jar --input *hdfs:///user/wordcount_input.txt* --output *hdfs:///user/wordcount_output.txt * On Tue, Aug 8, 2017 at 2:55 PM, Felix Neutatz <neut...@googlemail.com> wrote: > Hi, > > like Timo said e.g. you need a distributed filesystem like HDFS. > > Best regards, > Felix > > On Aug 8, 2017 09:01, "P. Ramanjaneya Reddy" <ramanji...@gmail.com> wrote: > > Hi Timo, > > How to make access the files across TM? > > Thanks & Regards, > Ramanji. > > On Mon, Aug 7, 2017 at 7:45 PM, Timo Walther <twal...@apache.org> wrote: > > > Flink is a distributed software for clusters. You need something like a > > distributed file system. So that input file and output files can be > > accessed from all nodes. > > > > Each TM has a log directory where the execution logs are stored. > > > > You can set additional properties to your output format by importing the > > code in your IDE. > > > > Am 07.08.17 um 16:03 schrieb P. Ramanjaneya Reddy: > > > > Hi Timo, > >> Problem is resolved after copy input file to all tasks managers. > >> > >> and where should generate outputfile? Is it in jobmanager or task > manager? > >> > >> Where can i see the execution logs to understand how word count done > each > >> task manager? > >> > >> > >> By the way any option to overwride...? > >> > >> 08/07/2017 19:27:00 Keyed Aggregation -> Sink: Unnamed(1/1) switched to > >> FAILED > >> java.io.IOException: File or directory already exists. Existing files > and > >> directories are not overwritten in NO_OVERWRITE mode. Use OVERWRITE mode > >> to > >> overwrite existing files and directories. > >> at > >> org.apache.flink.core.fs.FileSystem.initOutPathLocalFS(FileS > >> ystem.java:763) > >> at > >> org.apache.flink.core.fs.SafetyNetWrapperFileSystem.initOutP > >> athLocalFS(SafetyNetWrapperFileSystem.java:135) > >> at > >> org.apache.flink.api.common.io.FileOutputFormat.open(FileOut > >> putFormat.java:231) > >> at > >> org.apache.flink.api.java.io.TextOutputFormat.open(TextOutpu > >> tFormat.java:78) > >> at > >> org.apache.flink.streaming.api.functions.sink.OutputFormatSi > >> nkFunction.open(OutputFormatSinkFunction.java:61) > >> at > >> org.apache.flink.api.common.functions.util.FunctionUtils.ope > >> nFunction(FunctionUtils.java:36) > >> at > >> org.apache.flink.streaming.api.operators.AbstractUdfStreamOp > >> erator.open(AbstractUdfStreamOperator.java:111) > >> at > >> org.apache.flink.streaming.runtime.tasks.StreamTask.openAllO > >> perators(StreamTask.java:376) > >> at > >> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke( > >> StreamTask.java:253) > >> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702) > >> at java.lang.Thread.run(Thread.java:745) > >> > >> > >> On Mon, Aug 7, 2017 at 6:49 PM, Timo Walther <twal...@apache.org> > wrote: > >> > >> Make sure that the file exists and is accessible from all Flink tasks > >>> managers. > >>> > >>> > >>> Am 07.08.17 um 14:35 schrieb P. Ramanjaneya Reddy: > >>> > >>> Thank you Timo. > >>>> > >>>> > >>>> root1@root1-HP-EliteBook-840-G2:~/NAI/Tools/BEAM/Flink_Clust > >>>> er/rama/flink$ > >>>> *./bin/flink > >>>> run ./examples/streaming/WordCount.jar --input > >>>> file:///home/root1/hamlet.txt --output file:///home/root1/wordcount_o > >>>> ut* > >>>> > >>>> > >>>> > >>>> Execution of worcountjar gives error... > >>>> > >>>> 08/07/2017 18:03:16 Source: Custom File Source(1/1) switched to FAILED > >>>> java.io.FileNotFoundException: The provided file path > >>>> file:/home/root1/hamlet.txt does not exist. > >>>> at > >>>> org.apache.flink.streaming.api.functions.source.ContinuousFi > >>>> leMonitoringFunction.run(ContinuousFileMonitoringFunction.java:192) > >>>> at > >>>> org.apache.flink.streaming.api.operators.StreamSource.run( > >>>> StreamSource.java:87) > >>>> at > >>>> org.apache.flink.streaming.api.operators.StreamSource.run( > >>>> StreamSource.java:55) > >>>> at > >>>> org.apache.flink.streaming.runtime.tasks.SourceStreamTask. > >>>> run(SourceStreamTask.java:95) > >>>> at > >>>> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke( > >>>> StreamTask.java:263) > >>>> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702) > >>>> at java.lang.Thread.run(Thread.java:748) > >>>> > >>>> > >>>> On Mon, Aug 7, 2017 at 5:56 PM, Timo Walther <twal...@apache.org> > >>>> wrote: > >>>> > >>>> Hi Ramanji, > >>>> > >>>>> you can find the source code of the examples here: > >>>>> https://github.com/apache/flink/blob/master/flink-examples/ > >>>>> flink-examples-streaming/src/main/java/org/apache/flink/ > >>>>> streaming/examples/wordcount/WordCount.java > >>>>> > >>>>> A general introduction how the cluster execution works can be found > >>>>> here: > >>>>> https://ci.apache.org/projects/flink/flink-docs-release-1.4/ > >>>>> concepts/programming-model.html#programs-and-dataflows > >>>>> https://ci.apache.org/projects/flink/flink-docs-release-1.4/ > >>>>> concepts/runtime.html > >>>>> > >>>>> It might also be helpful to have a look at the web interface which > can > >>>>> show you a nice graph of the job. > >>>>> > >>>>> I hope this helps. Feel free to ask further questions. > >>>>> > >>>>> Regards, > >>>>> Timo > >>>>> > >>>>> > >>>>> Am 07.08.17 um 14:00 schrieb P. Ramanjaneya Reddy: > >>>>> > >>>>> Hello Everyone, > >>>>> > >>>>> I have followed the steps specified below link to Install & Run > Apache > >>>>>> Flink on Multi-node Cluster. > >>>>>> > >>>>>> http://data-flair.training/blogs/install-run-deploy-flink- > >>>>>> multi-node-cluster/ > >>>>>> used flink-1.3.2-bin-hadoop27-scala_2.10.tgz for install > >>>>>> > >>>>>> using the command > >>>>>> " bin/flink run > >>>>>> /home/root1/NAI/Tools/BEAM/Flink_Cluster/rama/flink/examples > >>>>>> /streaming/WordCount.jar" > >>>>>> able to run wordcount, but where can i see which input consider and > >>>>>> output > >>>>>> generated? > >>>>>> > >>>>>> and how can i specify the input and output paths? > >>>>>> > >>>>>> I'm trying to understand how the wordcount will work using > Multi-node > >>>>>> Cluster.? > >>>>>> > >>>>>> any suggestions will help me further understanding? > >>>>>> > >>>>>> Thanks & Regards, > >>>>>> Ramanji. > >>>>>> > >>>>>> > >>>>>> > >>>>>> > > >
