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
 • 13,593 views
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How can anyone recover deleted HDFS data?

May 16, 2018 in Big Data Hadoop by code799
 • 10,962 views
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Disabling Kerberos authentication in Hadoop

May 16, 2018 in Big Data Hadoop by code799
 • 1,866 views
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Getting error in JAVA_HOME variable.

May 11, 2018 in Big Data Hadoop by punk100
 • 2,274 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
 • 3,704 views
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1 answer

Hadoop Command to merge edit logs with fsimage

May 11, 2018 in Big Data Hadoop by us0101
 • 2,072 views
0 votes
1 answer

Sqoop version compatible with Hadoop 0.20?

May 9, 2018 in Big Data Hadoop by hack01
 • 1,026 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 • 2,767 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 • 8,288 views
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2 answers

Difference between HDFS and NFS

May 8, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 15,085 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 • 12,078 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
 • 16,748 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
 • 2,385 views
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1 answer

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 • 3,093 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 • 1,435 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 • 21,420 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 • 2,526 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 • 636 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 • 48,450 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 • 7,218 views
0 votes
1 answer

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

May 3, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,580 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 • 2,474 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 • 4,031 views
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1 answer

What is the function of getLocalCacheArchives method?

Apr 29, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 933 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 • 2,249 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 • 5,731 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 • 2,371 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 • 2,384 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 • 5,920 views
0 votes
1 answer

Namenode not getting started

Apr 23, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 2,184 views
0 votes
1 answer

What does count command in Hadoop tells?

Apr 23, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,822 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 • 1,690 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 • 1,657 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 • 11,691 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 • 629 views
0 votes
1 answer

Difference between Hadoop file system and Linux

Apr 20, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 4,029 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 • 1,167 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 • 25,412 views
0 votes
1 answer

Error in Hadoop Mapreduce

Apr 19, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 1,194 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 • 8,577 views
0 votes
1 answer

HDFS Location in Hadoop?

Apr 19, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,093 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 • 5,932 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 • 1,677 views
0 votes
1 answer

Hadoop for data migration

Apr 18, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,241 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 • 1,015 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 • 1,494 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 • 1,081 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 • 16,066 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 • 1,056 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 • 11,699 views
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