Icon

02_​HDFS_​and_​File_​Handling_​Example

HDFS file handling
Old method Upload csv file to HDFS file system Download csv file from HDFS file system HDFS File Handling This workflow demonstrates the HDFS file handling capabilites using the file handling nodes in conjunction with an HDFSconnection.For more information see the workflow metadata. Find it here: View -> Description Maybe just make a static file for this, readable from /datafolder in WF? New File Handling random datathe file namefrom HDFStest file contentdelete the remote filewrite fileto HDFSFiles onlyrandom dataWrite to fileNode 216List files on "Remoteserver"Read the downloaded fileCompare uploaded and downloaded files forconsistencyto "RemoteServer"Download from"RemoteServer"to local directory Data Generator Java EditVariable (simple) String to URI List RemoteFiles (legacy) Download (legacy) Create TempDir (legacy) CSV Reader(deprecated) Table DifferenceChecker Delete Files(legacy) CSV Writer(deprecated) Create TempDir (legacy) Upload (legacy) Create Local Big DataEnvironment (deprecated) Variable to TableRow (deprecated) Table Row to Variable(deprecated) Row Filter Table Row to Variable(deprecated) Create Local BigData Environment Data Generator CSV Writer Create TempPath/FIle List Files/Folders CSV Reader Table DifferenceFinder Transfer Files Transfer Files Old method Upload csv file to HDFS file system Download csv file from HDFS file system HDFS File Handling This workflow demonstrates the HDFS file handling capabilites using the file handling nodes in conjunction with an HDFSconnection.For more information see the workflow metadata. Find it here: View -> Description Maybe just make a static file for this, readable from /datafolder in WF? New File Handling random datathe file namefrom HDFStest file contentdelete the remote filewrite fileto HDFSFiles onlyrandom dataWrite to fileNode 216List files on "Remoteserver"Read the downloaded fileCompare uploaded and downloaded files forconsistencyto "RemoteServer"Download from"RemoteServer"to local directory Data Generator Java EditVariable (simple) String to URI List RemoteFiles (legacy) Download (legacy) Create TempDir (legacy) CSV Reader(deprecated) Table DifferenceChecker Delete Files(legacy) CSV Writer(deprecated) Create TempDir (legacy) Upload (legacy) Create Local Big DataEnvironment (deprecated) Variable to TableRow (deprecated) Table Row to Variable(deprecated) Row Filter Table Row to Variable(deprecated) Create Local BigData Environment Data Generator CSV Writer Create TempPath/FIle List Files/Folders CSV Reader Table DifferenceFinder Transfer Files Transfer Files

Nodes

Extensions

Links

Download

To use this workflow in KNIME, download it from the below URL and open it in KNIME:

Download Workflow
Created by: koetter
Created at: 2015-02-11
On NodePit since: 2020-04-22
Last update: 2024-04-23
Created with KNIME version: v4.4.0
Tags: HDFSHadoopBig Data

Deploy, schedule, execute, and monitor your KNIME workflows locally, in the cloud or on-premises – with our brand new NodePit Runner.

Try NodePit Runner!