Most viewed questions in Big Data Hadoop

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pattern mapreduce

i need to write some mapreduce pattern ...READ MORE

Jul 23, 2019 in Big Data Hadoop by tiza
 • 673 views
–1 vote
1 answer

Who will setup multimode and single node modes?

Cluster management is something that is generally ...READ MORE

Jan 21, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 666 views
0 votes
1 answer

Hue Health issue

The status of Hue is shown in ...READ MORE

Jan 31, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 663 views
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0 answers

I was trying to imlement giraph code but difficult to implement I dont know which method I will follow for solution I have already jar files

May 2, 2019 in Big Data Hadoop by anonymous
recategorized May 2, 2019 by Omkar • 639 views
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what are the characteristics of big data?

Jan 5, 2022 in Big Data Hadoop by Edureka
 • 13,690 points • 623 views
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trying to execute python wordcount program but command stuck

HI  I am learning Hadoop, I have tried ...READ MORE

Oct 10, 2021 in Big Data Hadoop by Yogeshwar
 • 120 points • 574 views
0 votes
0 answers

about sequence file in hadoop and mapreduce.everything about it with examples [closed]

May 20, 2019 in Big Data Hadoop by anonymous
closed May 20, 2019 by Omkar • 552 views
+1 vote
0 answers

Hadoop Installation error [closed]

Pls help on below error..on MAC OS WARN ...READ MORE

Jul 10, 2019 in Big Data Hadoop by Anshuman
 • 130 points
closed Jul 10, 2019 by Omkar • 506 views
0 votes
0 answers

I am getting this below error in cloudera environment when executing the batch processing code

java.lang.IllegalStateException: Received event is not valid: Closed at ...READ MORE

Jun 27, 2023 in Big Data Hadoop by syedsalahuddin
edited Mar 5 • 470 views
0 votes
0 answers

hadoop cluster Unable to start standby Namenode

we have HDP Hadoop cluster with two ...READ MORE

Feb 4, 2024 in Big Data Hadoop by koko
edited Mar 5 • 290 views
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hadoop cluster + Unable to start standby Namenode

we have HDP Hadoop cluster with two ...READ MORE

Feb 4, 2024 in Big Data Hadoop by anonymous
edited Mar 5 • 277 views
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Dj djdd dbd dbd jd dj dj dj dj

Jus eeiger eeiger ec hg hg hg ...READ MORE

May 26, 2023 in Big Data Hadoop by anonymous
edited Mar 5 • 277 views
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namenode not running

when i execute command start-all.sh it does ...READ MORE

Jan 25, 2023 in Big Data Hadoop by Pramod
edited Mar 4 • 256 views
0 votes
0 answers

sqoop export --connect jdbc:oracle:thin:@//dbtx07-scan7:9444/mydb --username nathan --P --table my_table --export-dir "/data/scoop_data/" -m -8 . I get the error attached.

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Jan 17, 2023 in Big Data Hadoop by Nathan
 • 110 points
edited Mar 4 • 236 views
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hiv table data load using .csv

this is my data in csv file ...READ MORE

May 21, 2022 in Big Data Hadoop by Srinivas
 • 120 points
edited Mar 4 • 229 views
0 votes
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how to remove this erroe

on every execution of commands  this error ...READ MORE

May 23, 2022 in Big Data Hadoop by anonymous
edited Mar 4 • 213 views
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0 answers

The following pairs are supposed to have one component that stores data in a distributed fashion and another component that performs computations in a distributed manner.

Choose the incorrect pair HDFS, MapReduce HBase, MapReduce HBase, Spark HDFS, ...READ MORE

Apr 10, 2021 in Big Data Hadoop by anonymous
edited Mar 4 • 175 views
0 votes
0 answers

How to provide read-only access to hive views to end users?

I have created some hive tables in ...READ MORE

Feb 18, 2021 in Big Data Hadoop by Jnanaranjan
edited Mar 4 • 174 views
0 votes
0 answers

Hadoop : command not found

Hello people... I can access hadoop webui ...READ MORE

Mar 11, 2021 in Big Data Hadoop by talal
edited Mar 4 • 173 views
0 votes
0 answers

Hadoop Datanode runs only once and then does not start again on Windows 10

I was trying to install Hadoop and ...READ MORE

Jan 7, 2021 in Big Data Hadoop by Mueez
edited Mar 4 • 173 views
0 votes
0 answers

Which is better linen or polyester?

Polyester, a synthetic, is a warmer fabric, ...READ MORE

Nov 16, 2022 in Big Data Hadoop by qiansifang
edited Mar 4 • 169 views
0 votes
0 answers

the location of chunks aren't stored in non-volatile memory of GFS, how much time would it take for master to receive heartbeat messages and build the chunk locations table?

Since in GFS, we assume hardware fails ...READ MORE

Jul 23, 2022 in Big Data Hadoop by narayanan
edited Mar 4 • 167 views
0 votes
0 answers

The characteristics of flame retardant curtain fabric

Flame retardant curtain fabric is a product ...READ MORE

Jul 29, 2022 in Big Data Hadoop by qiansifang
edited Mar 4 • 164 views
0 votes
0 answers

keyword and sentiment analysis. map reduce mapper combiner and reducer program

task is to  analyse a range of ...READ MORE

Mar 23, 2022 in Big Data Hadoop by anonymous
edited Mar 4 • 161 views
0 votes
0 answers

I want to move from Network support engineer to Talend etl tool.

I have experience of 2years of networking ...READ MORE

Jan 11, 2022 in Big Data Hadoop by anonymous
edited Mar 4 • 161 views
0 votes
0 answers

Cleaning Requirements for Hospital Curtain Fabric

Generally, hospital curtains are different from household ...READ MORE

Sep 26, 2022 in Big Data Hadoop by qiansifang
edited Mar 4 • 160 views
0 votes
0 answers

How to Find Specific Column in Hadoop?

First let me say I am super ...READ MORE

Apr 8, 2021 in Big Data Hadoop by Brianne
edited Mar 4 • 159 views
0 votes
0 answers

Hadoop MapReduce - Join of two files and Computation on grouped values

I am fairly new to Hadoop and ...READ MORE

Jan 20, 2021 in Big Data Hadoop by anonymous
edited Mar 4 • 156 views
0 votes
0 answers

hdfs dfs -count -h /user/isdoc/tmcss/all_ttc_custome_list/*

I want to do the same with ...READ MORE

Mar 8, 2021 in Big Data Hadoop by 1 bihari
edited Mar 4 • 154 views
0 votes
0 answers

Big Data Hadoop Course worth it or not?

Big Data Hadoop course is used for ...READ MORE

Feb 23, 2022 in Big Data Hadoop by qtsinfo
edited Mar 4 • 153 views
0 votes
0 answers

when i try to install hadoop 3.3.1 on ubuntu VM base on https://youtu.be/03uyN3WquIc

when i type cd /usr/local/hadoop/ in command i ...READ MORE

Nov 24, 2022 in Big Data Hadoop by Farah
edited Mar 4 • 151 views
0 votes
0 answers

Sqoop error while trying to connect to MySql

Hello, I am running the below sqoop command ...READ MORE

Oct 2, 2022 in Big Data Hadoop by stepnabz
edited Mar 4 • 151 views
0 votes
0 answers

hi, When I run hdfs namenode -format to format namenode, I am getting this error:

2021-08-13 17:50:25,851 ERROR namenode.NameNode: Failed to start ...READ MORE

Aug 14, 2021 in Big Data Hadoop by anonymous
edited Mar 4 • 151 views
0 votes
0 answers

Need help to solve unrecognized arg in sqoop

//command sqoop job \ --create myjob \ --import \ --connect jdbc:mysql://localhost/sqoop ...READ MORE

Jun 5, 2021 in Big Data Hadoop by Nirav
edited Mar 4 • 150 views
0 votes
0 answers

hdfs dfs -count -h hdfs://sandbox.hortonworks.com/demo/

I want to do the same with ...READ MORE

Mar 8, 2021 in Big Data Hadoop by 1 bihari
edited Mar 4 • 150 views
0 votes
0 answers

Failed to retrieve connection info for urlid "inputfile".Cause :please set up authentication file '/home/hduser/sqltool.rc'

i am trying to run a jar ...READ MORE

Aug 19, 2021 in Big Data Hadoop by tasneem
edited Mar 4 • 149 views
0 votes
0 answers

while deploying single node hadoop cluster, on final step of formatting namenode its showing command not found?

i have entered command hdfs dfs namenode ...READ MORE

Sep 5, 2022 in Big Data Hadoop by user
edited Mar 4 • 141 views
0 votes
0 answers

All datanodes are running but cannot see as live node in Ui portal

Hi I am deploying hdfs in K8s ...READ MORE

Jul 20, 2021 in Big Data Hadoop by sayali
edited Mar 4 • 140 views
0 votes
0 answers

hdfs dfs -count -h /user/isdoc/tmcss/all_ttc_custome_list/*

I want to do the same with ...READ MORE

Mar 8, 2021 in Big Data Hadoop by 1 bihari
edited Mar 4 • 140 views
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