using hdfs dfs -test to see if directory exists - Stack Overflow
In the hadoop docs: test Usage: hadoop fs -test -[defsz] URI Options: -d: f the path is a directory, return 0. -e: if the path exists, return 0. -f: if the path is a file, return 0. -s: if the path is not empty, return 0. …
what's the difference between "hadoop fs" shell commands and "hdfs …
Are they supposed to be equal? but, why the "hadoop fs" commands show the hdfs files while the "hdfs dfs" commands show the local files? here is the hadoop version information: Hadoop 2.0.0-mr1...
How to list all files in a directory and its subdirectories in hadoop hdfs
Jul 5, 2012 · You'll need to use the FileSystem object and perform some logic on the resultant FileStatus objects to manually recurse into the subdirectories. You can also apply a PathFilter to only return the …
maven - java.lang.NoClassDefFoundError: org/apache/hadoop/fs/impl ...
May 16, 2024 · Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.impl.prefetch.PrefetchingStatistics at …
Configuring hadoop-azure abfs driver to authenticate with storage ...
Nov 2, 2023 · I am trying to figure out how to configure the ABFS — Azure Data Lake Storage Gen2 driver to authenticate with Azure storage accounts as the user (regular user) logged in via the Azure …
The way to check a HDFS directory's size? - Stack Overflow
Jun 28, 2011 · 92 hadoop fs -du -s -h /path/to/dir displays a directory's size in readable form.
hadoop - Is there a hdfs command to list files in HDFS directory as per ...
May 4, 2016 · Is there a hdfs command to list files in HDFS directory as per timestamp, ascending or descending? By default, hdfs dfs -ls command gives unsorted list of files. When I searched for …
PySpark read from Azure Blob Storage in Colab - Class …
May 15, 2023 · I have been trying to read json data from Azure Blob Storage using pyspark in Jupyter notebooks/google colab and continually run into the same error - java.lang ...
file - How to delete a directory from Hadoop cluster which is having ...
I uploaded a directory to hadoop cluster that is having comma and space characters ", " in its name like "MyDir, Name" when I am trying to delete this Directory by using rmr hadoop shell command as …
hadoop - HDFS free space available command - Stack Overflow
Jul 20, 2012 · 65 Is there a hdfs command to see available free space in hdfs. We can see that through browser at master:hdfsport in browser , but for some reason I can't access this and I need some …