Recent questions tagged hadoop

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2 answers

Hey for all, how to get on large data i want use in hadoop?

Apr 24, 2019 in Big Data Hadoop by حسين
 • 200 points • 1,187 views
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1 answer

What are the different daemons in yarn?

Apr 24, 2019 in Big Data Hadoop by pavitra
 • 5,244 views
0 votes
1 answer

Hey ,I am install Hadoop and on single node and run on one file in HDFS, but I want to run more of file I work upload files but I know to running all

Apr 19, 2019 in Big Data Hadoop by حسين
 • 200 points • 1,066 views
0 votes
1 answer

Hey I am install Hadoop on single node and run program that file size is 3.2 GB and the time is 25 mins، Is this true or get less time. Thanks

Apr 19, 2019 in Big Data Hadoop by حسين
 • 200 points • 1,121 views
0 votes
2 answers

How are Partitioning and Bucketing different from each other in Apache Hive?

Apr 15, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 4,035 views
0 votes
1 answer

How can Hadoop process the records that are split across the block boundaries?

Apr 15, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 3,867 views
0 votes
1 answer

I am install hadoop on signal node and run program but delay time if have dataset size 3.3 GB take time about 2 hours

Apr 12, 2019 in Big Data Hadoop by Faris
 • 120 points • 1,182 views
0 votes
1 answer

Explain to me the difference between HBase and HDFS.

Apr 12, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,399 views
0 votes
1 answer

Explain to me to run Spark without Hadoop

Apr 12, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,633 views
0 votes
1 answer

Why we use 'help' command in Hadoop Sqoop?

Apr 11, 2019 in Big Data Hadoop by amrita
 • 895 views
0 votes
1 answer

What is Kafka? what is its importance in Big-Data?

Apr 11, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,711 views
0 votes
2 answers

Explain to me the concept of HUE.

Apr 11, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,671 views
0 votes
1 answer

What is the difference in DistCP command and Sqoop command in Hadoop?

Apr 11, 2019 in Big Data Hadoop by sunny
 • 1,538 views
0 votes
2 answers

Why we use --split by command in Sqoop?

Apr 11, 2019 in Big Data Hadoop by rashmi
 • 15,107 views
0 votes
0 answers

hey,can you help me

Apr 11, 2019 in Big Data Hadoop by faris
 • 445 views
0 votes
1 answer

Why sqoop internally generates MapRed code?

Apr 11, 2019 in Big Data Hadoop by amrita
 • 1,226 views
0 votes
1 answer

How Sqoop import command works internally?

Apr 11, 2019 in Big Data Hadoop by rashmi
 • 1,017 views
0 votes
1 answer

What are the different connectors of sqoop?

Apr 11, 2019 in Big Data Hadoop by amrita
 • 746 views
0 votes
1 answer

Why CLI is used in Scoop?

Apr 11, 2019 in Big Data Hadoop by sunny
 • 674 views
0 votes
0 answers

Nutch with hadoop 2.7 error "GC overhead limit exceeded"

Apr 10, 2019 in Big Data Hadoop by Hafiz
 • 170 points • 1,618 views
0 votes
1 answer

What are the site-specific configuration files in Hadoop?

Apr 10, 2019 in Big Data Hadoop by rashmi
 • 860 views
0 votes
1 answer

What is the main purpose of HDFS fsck command?

Apr 10, 2019 in Big Data Hadoop by sunny
 • 14,796 views
0 votes
1 answer

What are the different hdfs dfs commands to perform copy operation?

Apr 10, 2019 in Big Data Hadoop by amrita
 • 982 views
0 votes
1 answer

Why do we need Hadoop framework?

Apr 9, 2019 in Big Data Hadoop by sunny
 • 1,394 views
0 votes
1 answer

What is the role of Job tracker Hadoop?

Apr 9, 2019 in Big Data Hadoop by amrita
 • 5,710 views
0 votes
1 answer

Difference between Cluster and nodes?

Apr 9, 2019 in Big Data Hadoop by rashmi
 • 13,764 views
0 votes
1 answer

How to import Flat files in Hadoop using sqoop?

Apr 9, 2019 in Big Data Hadoop by rasmi
 • 2,001 views
0 votes
0 answers

How to import flat files in Hadoop using sqoop?

Apr 9, 2019 by rashmi
 • 86 views
0 votes
1 answer

File formats in Hadoop?

Apr 9, 2019 in Big Data Hadoop by sunny
 • 1,033 views
0 votes
1 answer

Namespace in HDFS?

Apr 8, 2019 in Big Data Hadoop by suuny
 • 10,795 views
0 votes
1 answer

What can you do with sqoop in Hadoop ecosystem?

Apr 8, 2019 in Big Data Hadoop by rashmi
 • 1,058 views
+1 vote
1 answer

what are the typicall block sizes in HDFS

Apr 8, 2019 in Big Data Hadoop by sunny
 • 1,738 views
0 votes
1 answer

How data distribution is done in Hadoop?

Apr 3, 2019 in Big Data Hadoop by sunny
 • 1,975 views
0 votes
1 answer

How does a name-node understand by itself that it is facing a failure?

Mar 27, 2019 in Big Data Hadoop by ravi
 • 220 points • 778 views
0 votes
1 answer

Differentiate between Hive internal tables an external tables.

Mar 27, 2019 in Big Data Hadoop by ravi
 • 220 points • 928 views
0 votes
1 answer

How is kafka used in big-data?

Mar 26, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 861 views
0 votes
0 answers

Difference between Name node and Secondary Name node

Mar 26, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 525 views
+1 vote
1 answer

Explain to me the difference between HBase and HDFS

Mar 19, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,064 views
+1 vote
1 answer

How can I get the Hadoop Documentation for its particular version?

Mar 19, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,521 views
0 votes
2 answers

Using PHP to get all file names in a folder stored in HDFS

Mar 9, 2019 in Big Data Hadoop by Bhavish
 • 370 points • 4,377 views
+1 vote
2 answers

How do I get number of columns in each line from a delimited file??

Mar 8, 2019 in Apache Spark by Vijay Dixon
 • 190 points • 5,512 views
0 votes
1 answer

Unable to run import script using sqoop

Mar 8, 2019 in Big Data Hadoop by Shri
 • 746 views
0 votes
1 answer

Whenever I try to start the yarn daemon. ./start-dfs.sh it says access denied I have even tried changing the file permissions but it didn't work.

Mar 8, 2019 in Big Data Hadoop by Kunal
 • 120 points • 4,617 views
0 votes
1 answer

Hadoop installation on Ubuntu.

Mar 7, 2019 in Big Data Hadoop by ravi
 • 220 points • 1,187 views
0 votes
2 answers

Which one among the both MapRed and MapReduce is considered better to create a Hadoop job?

Mar 7, 2019 in Big Data Hadoop by ravi
 • 220 points • 952 views
0 votes
1 answer

What is the difference between MapRed and MapReduce?

Mar 6, 2019 in Big Data Hadoop by ravi
 • 220 points • 2,059 views
0 votes
1 answer

What does hadoop mean?

Mar 6, 2019 in Big Data Hadoop by ravi
 • 220 points • 880 views
0 votes
0 answers

try except is not working while using hdfs command

Mar 6, 2019 in Python by anonymous
 • 1,191 views
0 votes
1 answer

Installing Oozie on Linux System

Feb 28, 2019 in Big Data Hadoop by Sharan
 • 3,113 views
0 votes
1 answer

Hive installation on Linux

Feb 28, 2019 in Big Data Hadoop by Rohit
 • 1,299 views
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