Recent questions tagged hadoop

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Error: permission denied locoalhost: chown: cannot access /usr/local/hadoop/ No such file or directory

Jun 17, 2019 in Big Data Hadoop by sanju
 • 4,127 views
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1 answer

Error: Unable to load native-hadoop library for your platform.

Jun 17, 2019 in Big Data Hadoop by Kanchan
 • 2,244 views
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How to execute job In Oozie?

Jun 17, 2019 in Big Data Hadoop by rena
 • 1,334 views
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Mention Job Flow parameter in Oozie?

Jun 17, 2019 in Big Data Hadoop by Kanishk
 • 1,482 views
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Command use to kill the job in MapReduce.

Jun 14, 2019 in Big Data Hadoop by rajiv
 • 1,706 views
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1 answer

How to see the history of Job output-dir in MapReduce?

Jun 14, 2019 in Big Data Hadoop by sahit
 • 2,074 views
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1 answer

Command to see the status of MapReduce job?

Jun 14, 2019 in Big Data Hadoop by Mahish
 • 4,246 views
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How to print the counter value in MapReduce?

Jun 14, 2019 in Big Data Hadoop by liza
 • 2,273 views
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Command to initiate MapReduce which provide decent UI?

Jun 14, 2019 in Big Data Hadoop by Rachna
 • 1,358 views
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1 answer

Datanode not running on Hadoop-2.7.3

Jun 14, 2019 in Big Data Hadoop by ravi
 • 3,360 views
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1 answer

Hadoop input folder not found?

Jun 14, 2019 in Big Data Hadoop by Rakesh
 • 4,123 views
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1 answer

Command to get status of all running Oozie workflow

Jun 12, 2019 in Big Data Hadoop by disha
 • 6,895 views
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1 answer

How Oozie prepares Hadoop configuration file?

Jun 12, 2019 in Big Data Hadoop by Nisha
 • 2,039 views
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How kill control node works in Oozie?

Jun 12, 2019 in Big Data Hadoop by Sanjiv
 • 2,486 views
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What is work flow application consists of in Oozie?

Jun 12, 2019 in Big Data Hadoop by Rajiv
 • 1,498 views
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How Oozie workflow can be parameterised?

Jun 12, 2019 in Big Data Hadoop by Kishor
 • 2,449 views
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1 answer

What is fork Keyword in Oozie? How Fork and Join keyword are related t o each other in Oozie?

Jun 12, 2019 in Big Data Hadoop by Chetna
 • 4,147 views
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What is the necessity of slave node in Oozie workflow?

Jun 12, 2019 in Big Data Hadoop by Narayan
 • 1,447 views
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1 answer

Use cases of Apache Oozie?

Jun 12, 2019 in Big Data Hadoop by taran
 • 2,630 views
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1 answer

What start node does in Oozie?

Jun 11, 2019 in Big Data Hadoop by Govind
 • 1,788 views
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2 answers

Why we require SSH during hadoop installation?

Jun 11, 2019 in Big Data Hadoop by Lovish
 • 130 points • 7,336 views
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1 answer

What is control flow Nodes defines in Oozie?

Jun 10, 2019 in Big Data Hadoop by nikita
 • 2,024 views
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1 answer

Mention what is the Hadoop MapReduce APIs contract for a key and value class?

Jun 10, 2019 in Big Data Hadoop by kiara
 • 1,850 views
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How to ensure that Oozie has started? Which Command line tool use to check the status of Oozie?

Jun 10, 2019 in Big Data Hadoop by rishi
 • 2,960 views
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1 answer

How to create the Oozie DB using the 'ooziedb.sh' command line tool?

Jun 10, 2019 in Big Data Hadoop by rakesh
 • 2,365 views
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1 answer

How to configure the Hadoop cluster with proxyuser for the Oozie process?

Jun 10, 2019 in Big Data Hadoop by rajnish
 • 2,114 views
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Mention how many InputSplits is made by a Hadoop Framework?

Jun 10, 2019 in Big Data Hadoop by sivani
 • 1,667 views
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1 answer

Explain what is WebDAV in Hadoop?

Jun 10, 2019 in Big Data Hadoop by jina
 • 1,940 views
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1 answer

Explain what does the conf.setMapper Class do?

Jun 10, 2019 in Big Data Hadoop by sekhar
 • 1,626 views
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1 answer

Mention what are the main configuration parameters that user need to specify to run MapReduce Job?

Jun 10, 2019 in Big Data Hadoop by sikha
 • 3,560 views
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1 answer

Explain what is a sequence file in Hadoop?

Jun 10, 2019 in Big Data Hadoop by ranjan
 • 1,970 views
0 votes
1 answer

Explain to me the correct way to get a Hadoop FileSystem object so that I can use it for reading from HDFS as well as writing to HDFS.

Jun 7, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 4,017 views
0 votes
1 answer

How do I handle "Hadoop security GroupMappingServiceProvider exception" while I am running a Spark job via Dataproc API?

Jun 7, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,285 views
0 votes
1 answer

Factorial function in Impala

Jun 7, 2019 in Big Data Hadoop by Rishi
 • 1,385 views
0 votes
1 answer

How to subtract month from Impala time stamp?

Jun 6, 2019 in Big Data Hadoop by Jimmy
 • 5,011 views
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1 answer

Impala: Add months to current time

Jun 6, 2019 in Big Data Hadoop by Esha
 • 3,099 views
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1 answer

Impala get current time

Jun 6, 2019 in Big Data Hadoop by Yogi
 • 2,871 views
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1 answer

Power of a number in Impala

Jun 6, 2019 in Big Data Hadoop by Ranjith
 • 1,665 views
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1 answer

Impala concatenate string.

Jun 6, 2019 in Big Data Hadoop by Keshav
 • 16,089 views
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1 answer

Sqoop and Teradata database connection URL

Jun 6, 2019 in Big Data Hadoop by Lakhan
 • 2,185 views
0 votes
3 answers

JDBC connection string for Netezza

Jun 6, 2019 in Big Data Hadoop by Raman
 • 5,754 views
0 votes
1 answer

What is the PostgreSQL connection string for Sqoop?

Jun 6, 2019 in Big Data Hadoop by Rajeev
 • 3,048 views
0 votes
1 answer

Connection String for MySQL database using Sqoop

Jun 6, 2019 in Big Data Hadoop by jana
 • 3,107 views
0 votes
1 answer

Sqoop: Oracle Connection String

Jun 6, 2019 in Big Data Hadoop by Esha
 • 3,279 views
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1 answer

Install PostgreSQL JDBC driver for Sqoop

Jun 6, 2019 in Big Data Hadoop by Kanta
 • 4,424 views
0 votes
1 answer

Using Microsoft SQL Server for Sqoop

Jun 6, 2019 in Big Data Hadoop by Rachith
 • 2,063 views
0 votes
1 answer

Run Oozie against a federated Cluster

Jun 6, 2019 in Big Data Hadoop by Shri
 • 1,371 views
0 votes
1 answer

Oozie Uber JARs support configuration

Jun 6, 2019 in Big Data Hadoop by Rajat
 • 1,646 views
0 votes
1 answer

How to configure Oozie to use Oracle?

Jun 6, 2019 in Big Data Hadoop by Mahi
 • 1,844 views
0 votes
1 answer

Is there a possibility to run Apache Spark without Hadoop?

Jun 6, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,671 views
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