file - How to Delete a directory from Hadoop cluster which is …
I have uploaded a Directory to hadoop cluster that is having "," in its name like "MyDir, Name" when I am trying to delete this Directory by using rmr hadoop shell command as following hadoop dfs ...
hadoop - HDFS free space available command - Stack Overflow
Jul 20, 2012 · 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 command. I can see my disk usage through command ./bin/hadoop fs -du -h but cannot see free space available. Thanks for answer in advance.
Difference between hadoop fs -put and hadoop fs -copyFromLocal
Oct 18, 2011 · Let's make an example: If your HDFS contains the path: /tmp/dir/abc.txt And if your local disk also contains this path then the hdfs API won't know which one you mean, unless you specify a scheme like file:// or hdfs://.
hdfs - How Hadoop -getmerge works? - Stack Overflow
Apr 15, 2016 · This command is on similar lines as hdfs fs -get command which gets the file from HDFS to local file system. Only difference is hdfs fs -getmerge merges multiple files from HDFS to local file system. If you want to merge multiple files in HDFS, you can achieve it using copyMerge() method from FileUtil class (see FileUtil.copyMerge()).
The way to check a HDFS directory's size? - Stack Overflow
Jun 28, 2011 · Command Should be hadoop fs -du -s -h \dirPath-du [-s] [-h] ... : Show the amount of space, in bytes, used by the files that match the specified file pattern. -s: Rather than showing the size of each individual file that matches the pattern, shows the total (summary) size.
hadoop - How to delete files from the HDFS? - Stack Overflow
Dec 8, 2015 · hadoop fs -rm /hw1/* ...command, and after it cleaning the recycle bin, by the. hadoop fs -expunge ...command. But the DFS Remaining space not changed after recyle bin cleaned. Even I can see that the data was truly deleted from the /hw1/ and the recyle bin. I have the fs.trash.interval parameter = 1.
Difference between `hadoop dfs` and `hadoop fs` - Stack Overflow
Feb 23, 2017 · @TimGoodman: If I understand it correctly, this question is about configuring a data node within a hadoop server. This isn't about programming for that server. Management, versus programming.
Checksum Exception when reading from or copying to hdfs in …
Mar 25, 2016 · I have also tried the hadoop fs -copyFromLocal command from the terminal, and the result is the exact same behaviour as when it is done through the java code. I have looked all over the web, including other questions here on stackoverflow however I haven't managed to solve the issue.
How to unzip file in hadoop? - Stack Overflow
Apr 28, 2017 · I was trying to unzip a zip file, stored in Hadoop file system, & store it back in hadoop file system. I tried following commands, but none of them worked. hadoop fs -cat /tmp/test.zip|gzip -d|
hadoop - Write a file in hdfs with Java - Stack Overflow
Jun 1, 2016 · Configuration and many other come from org.apache.hadoop.* from the 'org.apache.hadoop:hadoop-common:jar:X.X.X' library that you pick – pleonasmik Commented May 11, 2017 at 14:31