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
 • 14,981 views
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How can anyone recover deleted HDFS data?

May 16, 2018 in Big Data Hadoop by code799
 • 12,021 views
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Disabling Kerberos authentication in Hadoop

May 16, 2018 in Big Data Hadoop by code799
 • 2,677 views
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1 answer

Getting error in JAVA_HOME variable.

May 11, 2018 in Big Data Hadoop by punk100
 • 2,971 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
 • 4,529 views
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1 answer

Hadoop Command to merge edit logs with fsimage

May 11, 2018 in Big Data Hadoop by us0101
 • 2,854 views
0 votes
1 answer

Sqoop version compatible with Hadoop 0.20?

May 9, 2018 in Big Data Hadoop by hack01
 • 1,672 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 • 3,630 views
0 votes
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 • 9,623 views
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2 answers

Difference between HDFS and NFS

May 8, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 16,473 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 • 13,506 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
 • 18,117 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
 • 3,129 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 • 4,099 views
0 votes
1 answer

Can we use HDFS to store git repositories?

May 7, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 2,069 views
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1 answer

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 • 23,364 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 • 3,571 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 • 1,269 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 • 52,614 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 • 7,963 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 • 3,466 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 • 3,136 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 • 4,878 views
0 votes
1 answer

What is the function of getLocalCacheArchives method?

Apr 29, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 1,662 views
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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 • 3,202 views
0 votes
1 answer

What is the command to navigate in HDFS?

Apr 27, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 6,718 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 • 3,390 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 • 3,201 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 • 7,204 views
0 votes
1 answer

Namenode not getting started

Apr 23, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 2,839 views
0 votes
1 answer

What does count command in Hadoop tells?

Apr 23, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 2,632 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 • 2,330 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 • 2,321 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 • 12,688 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 • 1,270 views
0 votes
1 answer

Difference between Hadoop file system and Linux

Apr 20, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 5,078 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 • 1,882 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 • 26,884 views
0 votes
1 answer

Error in Hadoop Mapreduce

Apr 19, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 1,918 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 • 10,515 views
0 votes
1 answer

HDFS Location in Hadoop?

Apr 19, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,747 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 • 6,908 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 • 2,533 views
0 votes
1 answer

Hadoop for data migration

Apr 18, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 2,084 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 • 1,739 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 • 2,515 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 • 1,882 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 • 19,216 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 • 1,979 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 • 12,646 views
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