Recent questions tagged hdfs

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1 answer

How to save and retrieve the Spark RDD from HDFS?

May 29, 2018 in Apache Spark by code799
 • 13,544 views
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How can anyone recover deleted HDFS data?

May 16, 2018 in Big Data Hadoop by code799
 • 10,917 views
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Disabling Kerberos authentication in Hadoop

May 16, 2018 in Big Data Hadoop by code799
 • 1,841 views
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Getting error in JAVA_HOME variable.

May 11, 2018 in Big Data Hadoop by punk100
 • 2,225 views
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How to change the replication factor of specific directory in Hadoop?

May 11, 2018 in Big Data Hadoop by vardy_hero
 • 3,675 views
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1 answer

Hadoop Command to merge edit logs with fsimage

May 11, 2018 in Big Data Hadoop by us0101
 • 2,010 views
0 votes
1 answer

Sqoop version compatible with Hadoop 0.20?

May 9, 2018 in Big Data Hadoop by hack01
 • 1,011 views
0 votes
1 answer

Java MapReduce error saying No FileSystem for scheme:hdfs

May 9, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,710 views
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1 answer

“no such file or directory" in case of hadoop fs -ls

May 9, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 8,227 views
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2 answers

Difference between HDFS and NFS

May 8, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 14,997 views
+1 vote
1 answer

How can we list files in HDFS directory as per timestamp?

May 8, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 11,996 views
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1 answer

Where does HDFS stores data on the local file system?

May 8, 2018 in Big Data Hadoop by code799
 • 16,632 views
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1 answer

Is it compulsory to have the hadoop user as sudo user?

May 8, 2018 in Big Data Hadoop by hack099
 • 2,360 views
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How to delete a directory from Hadoop cluster which is having comma(,) in its name?

May 7, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 3,067 views
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1 answer

Can we use HDFS to store git repositories?

May 7, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,418 views
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What is the default location of Hadoop log files & how can I change that location?

May 4, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 21,284 views
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1 answer

How to find the used cache in HDFS

May 4, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 2,469 views
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1 answer

What happend while formatting hadoop namenode?

May 4, 2018 in Big Data Hadoop by Atul
 • 10,240 points • 623 views
+1 vote
12 answers

How to check size of HDFS directory?

May 3, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 48,222 views
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1 answer

After installing Hadoop on Windows7, NameNode failed to start

May 3, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 7,149 views
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1 answer

Hadoop giving java.io.IOException, in mkdir Java code.

May 3, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,546 views
0 votes
1 answer

Hadoop job getting executed in local mode only?

May 3, 2018 in Big Data Hadoop by Atul
 • 10,240 points • 2,424 views
0 votes
1 answer

Error while copying the file from local to HDFS

May 3, 2018 in Big Data Hadoop by Damon Salvatore
 • 5,980 points • 3,995 views
0 votes
1 answer

What is the function of getLocalCacheArchives method?

Apr 29, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 879 views
0 votes
1 answer

What is the command to find the free space in HDFS?

Apr 29, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 2,187 views
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1 answer

What is the command to navigate in HDFS?

Apr 27, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 5,662 views
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1 answer

How can I write text in HDFS using CMD?

Apr 27, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 2,283 views
0 votes
1 answer

Changing hostname in fs.default.name property puts Hadoop in safemode

Apr 27, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 2,330 views
+1 vote
2 answers

What does hadoop fs -du command gives as output?

Apr 27, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 5,865 views
0 votes
1 answer

Namenode not getting started

Apr 23, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 2,167 views
0 votes
1 answer

What does count command in Hadoop tells?

Apr 23, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,779 views
0 votes
1 answer

What is the $HIVE_HOME in Hortonworks sandbox

Apr 23, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,670 views
0 votes
1 answer

How to import data to HBase from SQL server?

Apr 20, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,636 views
+1 vote
1 answer

Why minimum 3 Journal Nodes are required in Hadoop HA architecture?

Apr 20, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 11,658 views
0 votes
1 answer

Declaring separator in the MapReduce(Hadoop 0.20)

Apr 20, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 602 views
0 votes
1 answer

Difference between Hadoop file system and Linux

Apr 20, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 3,991 views
0 votes
1 answer

HortonWorks Hadoop encryption tools and data security

Apr 20, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,131 views
0 votes
2 answers

hadoop copy a local file system folder to HDFS

Apr 19, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 25,325 views
0 votes
1 answer

Error in Hadoop Mapreduce

Apr 19, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 1,147 views
0 votes
1 answer

Getting error in Hadoop: Output file already exist

Apr 19, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 8,520 views
0 votes
1 answer

HDFS Location in Hadoop?

Apr 19, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,074 views
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1 answer

How to print the content of a file in console present in HDFS?

Apr 19, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 5,833 views
0 votes
1 answer

How to upload file to HDFS in Ubuntu

Apr 19, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,629 views
0 votes
1 answer

Hadoop for data migration

Apr 18, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,170 views
0 votes
1 answer

Getting error while building Hadoop core jar using ant.

Apr 18, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 995 views
0 votes
1 answer

How can I use my host machine’s web browser to check my HDFS services running in the VM?

Apr 18, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,432 views
0 votes
1 answer

What are the different ways to load data from Hadoop to Azure Data Lake?

Apr 18, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,055 views
0 votes
2 answers

Hadoop is not able to find jps command

Apr 18, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 15,884 views
0 votes
1 answer

Why am I not able to see the Hadoop daemons that are running?

Apr 18, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,032 views
0 votes
2 answers

How can I list NameNode & DataNodes from any machine in the Hadoop cluster?

Apr 18, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 11,640 views
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