Recent questions tagged hadoop

0 votes
2 answers

How to pass a password to Sqoop import command?

May 15, 2019 in Big Data Hadoop by John
 • 7,603 views
0 votes
1 answer

Problem connecting Sqoop to MySql

May 15, 2019 in Big Data Hadoop by Kurian
 • 2,678 views
0 votes
1 answer

How to connect Sqoop to mysql Database?

May 15, 2019 in Big Data Hadoop by Rishi
 • 2,903 views
0 votes
1 answer

How do I add a column in ALTER TABLE in Hive?

May 15, 2019 in Big Data Hadoop by diana
 • 57,506 views
0 votes
1 answer

Explain to me the relationship between Hadoop and Databases.

May 15, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,941 views
0 votes
1 answer

Can someone help with Hadoop installation Setup on Ubuntu?

May 15, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 860 views
0 votes
1 answer

Why CREATE EXTERNAL keyword is used in Hive?

May 15, 2019 in Big Data Hadoop by rashmi
 • 2,546 views
0 votes
1 answer

Relation between LOAD operation and LOCAL keyword?

May 15, 2019 in Big Data Hadoop by asima
 • 825 views
0 votes
1 answer

What is DML in Hive?

May 15, 2019 in Big Data Hadoop by asim
 • 948 views
0 votes
1 answer

Help me out to download hadoop of a specific version

May 15, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,127 views
+1 vote
1 answer

Explain to me the difference between Name node and Secondary name node

May 15, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,130 views
0 votes
1 answer

Error: Execution Error, Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask. Permission denied:

May 15, 2019 in Big Data Hadoop by diana
 • 6,094 views
0 votes
1 answer

What is the command to know the details of your data created in a table in Hive?

May 15, 2019 in Big Data Hadoop by rashmi
 • 1,749 views
0 votes
1 answer

How to see the content of a table in hive?

May 15, 2019 in Big Data Hadoop by amrita
 • 5,679 views
0 votes
2 answers

How to change the location of a table in hive?

May 14, 2019 in Big Data Hadoop by sunny
 • 9,765 views
0 votes
1 answer

What is SerDe in Hive?

May 14, 2019 in Big Data Hadoop by sunny
 • 2,636 views
0 votes
1 answer

Error: ParseException line 1:103 mismatched input 't' expecting StringLiteral near 'by' in table row format's field separator

May 13, 2019 by rashmi
 • 1,625 views
0 votes
1 answer

Error: schemaTool failed

May 13, 2019 in Big Data Hadoop by anonymous
 • 4,296 views
0 votes
1 answer

How to create a file in Linux from terminal window?

May 13, 2019 in Big Data Hadoop by sunny
 • 956 views
0 votes
1 answer

Error is not recoverable: exiting now

May 13, 2019 in Big Data Hadoop by amrita
 • 1,129 views
0 votes
1 answer

What are the modes of Hive metastore?

May 13, 2019 in Big Data Hadoop by rashmi
 • 3,900 views
0 votes
1 answer

How does Hive job execution flow works?

May 13, 2019 in Big Data Hadoop by disha
 • 3,769 views
0 votes
1 answer

What is thrift in Hive?

May 13, 2019 in Big Data Hadoop by amrita
 • 7,179 views
0 votes
1 answer

Why for metastore RDBMS is used?

May 11, 2019 in Big Data Hadoop by sunny
 • 1,990 views
0 votes
1 answer

What are the components of Driver in Hive?

May 11, 2019 in Big Data Hadoop by disha
 • 1,140 views
0 votes
1 answer

What is DAG in Hive?

May 11, 2019 in Big Data Hadoop by dyna
 • 4,800 views
0 votes
1 answer

What is the need of driver in Hive architecture?

May 10, 2019 by amrita
 • 338 views
0 votes
1 answer

What is metastore in Hive architecture?

May 10, 2019 in Big Data Hadoop by asim
 • 1,487 views
0 votes
1 answer

Explain to me the Elasticsearch and Hadoop in a much better manner

May 10, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 890 views
0 votes
1 answer

Can I install and work with Hadoop on Amazon Web Services with a free trial?

May 10, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,133 views
+2 votes
1 answer

windows 10 C:\Users\mk>hadoop -version output:- Error: Could not find or load main class P.

May 10, 2019 in Big Data Hadoop by anonymous
 • 2,933 views
0 votes
1 answer

Why is Spark map output compressed?

Feb 24, 2019 in Apache Spark by Sanam
 • 1,288 views
0 votes
2 answers

Do we need to format datanode to store data

Jan 15, 2019 in Big Data Hadoop by Sam
 • 160 points • 4,427 views
0 votes
1 answer

Create a Hive table with a sequence file

Dec 20, 2018 in Apache Kafka by nguyenthaonhi
 • 120 points • 1,676 views
+1 vote
1 answer

How to get status of hdfs directory using python?

Dec 7, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,014 views
0 votes
1 answer

Small files and HDFS blocks

Nov 16, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,060 views
0 votes
1 answer

Connect AWS Athena to an existing Hive Metastore

Nov 16, 2018 in AWS by findingbugs
 • 3,260 points • 2,147 views
0 votes
1 answer

how is apache sqoop different from flume? Can someone explain?

Nov 15, 2018 in Big Data Hadoop by vishal
 • 430 points • 642 views
0 votes
1 answer

What's the right way to concatenate files and appending the New Line character in Python? Text or binary mode?

Nov 13, 2018 in Python by Nymeria
 • 3,560 points • 2,040 views
0 votes
1 answer

Hadoop: How to Group mongodb - mapReduce output?

Oct 31, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,134 views
0 votes
1 answer

How to delete hdfs folder from java app?

Oct 30, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,382 views
0 votes
1 answer

What is the best way to integrate SAS with Hadoop without losing the parallel processing capacity of Hadoop

Oct 16, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,526 views
+4 votes
3 answers

Unable to find file error- while Streaming Hadoop

Oct 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,857 views
0 votes
1 answer

What should be the choice of database and what type of data format is suitable for Spark/hadoop?

Sep 28, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,265 views
0 votes
1 answer

HDFS usage for small files

Jun 12, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 860 views
+1 vote
1 answer

How can I write a text file in HDFS not from an RDD, in Spark program?

May 29, 2018 in Apache Spark by code799
 • 8,869 views
0 votes
1 answer

How can I compare the elements of the RDD using MapReduce?

May 24, 2018 in Apache Spark by code799
 • 3,764 views
0 votes
1 answer

which one to choose for log analysis?

Apr 6, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,002 views
0 votes
1 answer

How does the HDFS Client knows the block size while writing?

Mar 27, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,373 views
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