Recent questions tagged hadoop-admin

+1 vote
1 answer

ssh: connect to host localhost port 22: Connection refused in Hadoop.

Dec 18, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 8,453 views
+1 vote
2 answers

How to delete and update a record in Hive?

Dec 8, 2020 in Big Data Hadoop by Rajiv
 • 8,910 points • 4,813 views
0 votes
1 answer

Validating HA for ranger KMS

Nov 7, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 504 views
0 votes
1 answer

How to write Reducer code for Hadoop?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 398 views
0 votes
1 answer

How to write mapper code for Hadoop in Python?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 371 views
0 votes
1 answer

How to find the status of MapReduce Job?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 447 views
0 votes
1 answer

Create hive table with location.

Oct 16, 2020 in Big Data Hadoop by MD
 • 95,440 points • 304 views
0 votes
1 answer

How to create hive table without location?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 672 views
0 votes
1 answer

How to update the existing record in HDFS?

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 1,742 views
0 votes
1 answer

IOException: All datanodes are bad.

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 1,176 views
0 votes
1 answer

ERROR: Cannot set priority of datanode process

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 8,334 views
0 votes
1 answer

Checksum verification in Hadoop.

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 1,007 views
0 votes
1 answer

How to store datasets from Pig to HDFS?

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 1,103 views
0 votes
1 answer

How to create an empty file in Hadoop?

Oct 13, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 10,090 views
0 votes
1 answer

How to remove the directory from HDFS?

Oct 13, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 2,797 views
0 votes
1 answer

How to check the name of the hadoop server?

Oct 13, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 1,513 views
0 votes
1 answer

Ranger kms create key failed

Oct 5, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 1,121 views
0 votes
1 answer

How to view contents of file in hadoop hdfs?

Oct 5, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 6,170 views
0 votes
1 answer

How to find HDFS free space from command line?

Oct 5, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 413 views
+1 vote
1 answer

How to check a HDFS directory size?

Oct 5, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 370 views
0 votes
1 answer

How to change default block size in Hadoop Cluster?

Oct 3, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 1,327 views
0 votes
1 answer

Change the owner and group of a file in Hadoop.

Oct 1, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 6,336 views
0 votes
1 answer

How to create a group in Hadoop?

Oct 1, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 596 views
0 votes
1 answer

How to set replication factor in Hadoop?

Oct 1, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 5,820 views
0 votes
1 answer

How to merge files in Hadoop?

Oct 1, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 617 views
0 votes
1 answer

How to remove files from HDFS system?

Oct 1, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 15,991 views
0 votes
1 answer

Copy files in different folders in Hadoop.

Oct 1, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 26,998 views
0 votes
1 answer

Adding Ranger KMS server using ambari

Sep 28, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 286 views
0 votes
1 answer

How to change block size in Hadoop dynamically?

Sep 25, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,767 views
0 votes
1 answer

How to configure Hadoop Client?

Sep 25, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 1,817 views
0 votes
1 answer

How to upload files in Hadoop Cluster?

Sep 25, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 1,488 views
0 votes
1 answer

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

Sep 25, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 404 views
0 votes
1 answer

How to connect Hadoop WebUI?

Sep 25, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 436 views
0 votes
1 answer

How to format a Hadoop Master Node?

Sep 21, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 388 views
0 votes
1 answer

How to start Hadoop namenode service?

Sep 21, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 430 views
0 votes
1 answer

How to configure Hadoop namenode?

Sep 21, 2020 in Big Data Hadoop by MD
 • 95,440 points • 328 views
0 votes
1 answer

What skills are required to be a Hadoop developer?

May 15, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 483 views
0 votes
2 answers

How to set properties for secondary namenode in Hadoop?

Mar 31, 2020 in Big Data Hadoop by akhtar
 • 38,240 points • 2,748 views
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