Trending questions in Big Data Hadoop

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How to create hive table without location?

Hi@akhtar, We can create a hive table for ...READ MORE

Oct 15 in Big Data Hadoop by MD
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Enable HA for ranger KMS.

Hi, If you have installed Ranger through Ambari ...READ MORE

Oct 15 in Big Data Hadoop by MD
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42 views
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HA ranger KMS ,

Hi@Shilpa, If you have installed Ranger through Ambari ...READ MORE

Oct 15 in Big Data Hadoop by MD
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41 views
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IOException: All datanodes are bad.

Hi@akhtar, As we know HDFS works in a ...READ MORE

Oct 15 in Big Data Hadoop by MD
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20 views
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How to start Hadoop daemons?

Hi@MD, Before starting with the HDFS command, you have ...READ MORE

Oct 15 in Big Data Hadoop by akhtar
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edited Oct 15 by akhtar 22 views
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How to store datasets from Pig to HDFS?

Hi Guys, You can store the loaded data ...READ MORE

Oct 14 in Big Data Hadoop by MD
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37 views
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How to create an empty file in Hadoop?

Hi@akhtar, You can create an empty file in ...READ MORE

Oct 13 in Big Data Hadoop by MD
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72 views
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How to start Grunt shell in Local mode in Pig?

Hi@akhtar, You can invoke the Grunt shell in ...READ MORE

Oct 14 in Big Data Hadoop by MD
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41 views
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How to invoke the Grunt shell in MapReduce mode in Pig?

Hi@akhtar, You can invoke the Grunt shell in ...READ MORE

Oct 14 in Big Data Hadoop by MD
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20 views
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Execute the Pig script in Local mode.

Hi@akhtar, You can write an entire Pig Latin ...READ MORE

Oct 14 in Big Data Hadoop by MD
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31 views
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How to load dataset in Pig?

Hi@akhtar, You can run the load command in ...READ MORE

Oct 14 in Big Data Hadoop by MD
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30 views
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How to check the name of the hadoop server?

Hi@akhtar, If you're running a pseudo-distributed setup, you ...READ MORE

Oct 13 in Big Data Hadoop by MD
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42 views
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How to remove the directory from HDFS?

Hi@akhtar, You can remove the directory using the ...READ MORE

Oct 13 in Big Data Hadoop by MD
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27 views
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How to view contents of file in hadoop hdfs?

Hi@akhtar, You can use the Hadoop filesystem command ...READ MORE

Oct 5 in Big Data Hadoop by MD
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102 views
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Ranger kms create key failed

Hi@shllpa, I have checked your file. All seems ...READ MORE

Oct 6 in Big Data Hadoop by MD
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78 views
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How to find HDFS free space from command line?

Hi@akhtar, You can find the free space from ...READ MORE

Oct 5 in Big Data Hadoop by MD
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86 views
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Where does Hive store files in HDFS?

Hi@akhtar, It depends on what you set in ...READ MORE

Oct 5 in Big Data Hadoop by MD
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39 views
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How to check a HDFS directory size?

Hi@akhtar, You can check the size of the ...READ MORE

Oct 5 in Big Data Hadoop by MD
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32 views
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How to change the default replication factor in Hadoop?

Hi@akhtar, You can change the default replication factor from the ...READ MORE

Oct 2 in Big Data Hadoop by MD
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64 views
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Setting up Hadoop Multi-node cluster on windows 10 systems

Hi@Hassan, You can do it windows system as ...READ MORE

Oct 1 in Big Data Hadoop by MD
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120 views
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How to change default block size in Hadoop Cluster?

Hi@akhtar, You can change the default block size ...READ MORE

Oct 2 in Big Data Hadoop by MD
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36 views
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Change the owner and group of a file in Hadoop.

Hi@akhtar, You can use the Chown command. This ...READ MORE

Oct 1 in Big Data Hadoop by MD
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71 views
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How to merge files in Hadoop?

Hi@akhtar, You can use getmerge command in Hadoop. ...READ MORE

Oct 1 in Big Data Hadoop by MD
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64 views
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1 answer

Change permissions of a file in HDFS.

Hi@akhtar, You can use the Chmod command to ...READ MORE

Oct 1 in Big Data Hadoop by MD
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56 views
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1 answer

How to remove files from HDFS system?

Hi@akhtar, You will find rm command in your ...READ MORE

Oct 1 in Big Data Hadoop by MD
• 79,930 points
53 views
0 votes
1 answer

How to copy files from HDFS to local system?

Hi@akhtar, You can use the put command in ...READ MORE

Oct 1 in Big Data Hadoop by MD
• 79,930 points
48 views
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1 answer

How to set replication factor in Hadoop?

Hi@akhtar, You can find setrep command in the ...READ MORE

Oct 1 in Big Data Hadoop by MD
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41 views
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How to append files from local system to HDFS?

Hi@akhtar, You can use appendToFile in your Hadoop ...READ MORE

Oct 1 in Big Data Hadoop by MD
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38 views
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1 answer

How to create a group in Hadoop?

Hi@akhtar, Generally, to create a group in the ...READ MORE

Oct 1 in Big Data Hadoop by MD
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32 views
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1 answer

Copy files in different folders in Hadoop.

Hi@akhtar, You can use the cp command in ...READ MORE

Oct 1 in Big Data Hadoop by MD
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28 views
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1 answer

Adding Ranger KMS server using ambari

Hi@Shllpa, It is asking for admin credentials. Did ...READ MORE

Sep 28 in Big Data Hadoop by MD
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49 views
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How to upload files in Hadoop Cluster?

Hi@akhtar, To upload a file in Hadoop Cluster, ...READ MORE

Sep 25 in Big Data Hadoop by MD
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119 views
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How to change block size in Hadoop dynamically?

Hi@akhtar, By default, the block size is 64MB ...READ MORE

Sep 25 in Big Data Hadoop by akhtar
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87 views
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1 answer
0 votes
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How to configure Hadoop Client?

Hi@akhtar, To configure the Hadoop Client, you need ...READ MORE

Sep 25 in Big Data Hadoop by MD
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51 views
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1 answer

touchz: java.io.IOException: java.lang.IllegalArgumentException: Unexpected value for the block size

Hi@akhtar, You are trying to create a block ...READ MORE

Sep 25 in Big Data Hadoop by MD
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40 views
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1 answer

Usage: java FsShell [-put <localsrc> ... <dst>]

Hi@akhtar, You are trying to upload your file ...READ MORE

Sep 25 in Big Data Hadoop by MD
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33 views
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1 answer

How to connect Hadoop WebUI?

Hi@akhtar, You can connect your Hadoop Cluster with ...READ MORE

Sep 25 in Big Data Hadoop by MD
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37 views
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1 answer

How to see the report of Hadoop Cluster from command line?

Hi@akhtar, You can see the report of Hadoop Cluster ...READ MORE

Sep 24 in Big Data Hadoop by MD
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35 views
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1 answer

file /usr/bin from install of hadoop-1.2.1-1.x86_64 conflicts with file from package filesystem-3.8-2.el8.x86_64

Hi@akhtar, Your Hadoop rpm is conflicting with some ...READ MORE

Sep 20 in Big Data Hadoop by MD
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138 views
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Enable HA for mapreduce jobhistory server

Hi Team, From past few days I am ...READ MORE

Sep 23 in Big Data Hadoop by Shilpa S
• 450 points
61 views
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How to get resource utilized(memory and CPU) by each hive query which is running under single application Id?

Hi@sivachandran, You can monitor the metrics of your ...READ MORE

Sep 17 in Big Data Hadoop by MD
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190 views
0 votes
1 answer

How to format a Hadoop Master Node?

Hi@akhtar, To start the Hadoop NameNode, you need ...READ MORE

Sep 20 in Big Data Hadoop by MD
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51 views
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1 answer

How to start Hadoop namenode service?

Hi@akhtar, If you configured your Hadoop master successfully, ...READ MORE

Sep 20 in Big Data Hadoop by MD
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40 views
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How to configure Hadoop namenode?

Hi@MD, To configure the Hadoop master node, you ...READ MORE

Sep 20 in Big Data Hadoop by akhtar
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36 views
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1 answer

Urgently Want dataset

Hi, @Amit, Regarding your query on Datasets on (merchant ...READ MORE

Sep 21 in Big Data Hadoop by Gitika
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45 views
0 votes
1 answer

How to merge two Spark DataFrames?

Hi@akhtar, You can perform join operation in spark. ...READ MORE

Sep 17 in Big Data Hadoop by MD
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41 views