Recent questions tagged hadoop

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Hadoop Mapper is failed because of the following error - “Container killed by the ApplicationMaster”

Dec 1, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 4,817 views
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Unable to move Hadoop Hive tables from Source to Destination.

Dec 1, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 5,975 views
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How to Upgrade Apache Hadoop from 2.4.1 to 2.6.0

Nov 30, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,298 views
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Hadoop error: Input path does not exist

Nov 30, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 13,693 views
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Hadoop: Error: Could not find or load main class com.sun.tools.javac.Main

Nov 30, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 5,057 views
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How to replace characters in string in hive?

Nov 30, 2018 in Big Data Hadoop by digger
 • 26,740 points • 16,902 views
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Hadoop Job Tracker problem. I cannot connect to http://localhost:50030/

Nov 30, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,627 views
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How to find the number of blocks a hdfs file is divided into?

Nov 30, 2018 in Big Data Hadoop by digger
 • 26,740 points • 5,548 views
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How to delete a file from Hadoop hdfs using java?

Nov 28, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 5,431 views
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How to get column names from Hive table?

Nov 28, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 19,309 views
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Hive: How to know the path of a created table?

Nov 28, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,880 views
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Free Hadoop Cluster Experiments

Nov 27, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,408 views
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How to include third party library in Python MapReduce?

Nov 27, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 590 views
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Is the Hadoop scalability linear or proportional to number of nodes?

Nov 27, 2018 in Big Data Hadoop by Jins
 • 140 points • 1,004 views
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Hadoop: "DEPRECATED: Use of this script to execute hdfs command is deprecated." error

Nov 26, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 8,324 views
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How to find the running namenodes and secondary name nodes in hadoop?

Nov 26, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,481 views
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Hadoop: namenode -format error "java.io.IOException"

Nov 26, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 3,221 views
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How to use mountable HDFS on Centos?

Nov 26, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,911 views
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Not able to run mapreduce job. Attempt failes error

Nov 22, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,041 views
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What is the command to count number of lines in a file in hdfs?

Nov 22, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 3,450 views
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Hadoop hdfs "permission denied" error when I try to make new directory

Nov 22, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 15,071 views
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Apache Spark gives "Failed to load native-hadoop with error"

Nov 22, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,488 views
+1 vote
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How to read HDFS and local files with the same code in Java?

Nov 22, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 4,542 views
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What is the usage of Configured class in Hadoop programs?

Nov 22, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,111 views
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Which is the easiest way for text analytics with hadoop?

Nov 22, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 696 views
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Error while connecting to Hive using Java JDBC

Nov 22, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,607 views
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How to check the size of a file in Hadoop HDFS?

Nov 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 12,928 views
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How to upgrade from Hadoop 1.2 to Hadoop 2.2?

Nov 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 449 views
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How to convert Spark data into CSV?

Nov 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,076 views
0 votes
1 answer

What is the hdfs command to check free space available?

Nov 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,346 views
0 votes
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What is SerDe in Hadoop Hive?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 650 points • 5,487 views
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What is the meaning of Write Ahead Log in Hadoop?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 650 points • 1,813 views
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Hadoop: What does RDD mean?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 650 points • 949 views
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What is the difference between Apache ZooKeeper and Apache Oozie?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 650 points • 4,102 views
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Hadoop: How to get the column name along with the output in Hive?

Nov 21, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 4,672 views
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Hadoop: Java code to get Hive table properties.

Nov 21, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 732 views
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Hadoop Java: org.apache.hadoop.conf.Configuration does not exist error

Nov 21, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 7,125 views
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In Hadoop MapReduce, how can i set an Object as the Value for Map output?

Nov 21, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 785 views
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Hadoop HDFS: Exception in createBlockOutputStream

Nov 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,719 views
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Hadoop: "Caused by: java.lang.ClassNotFoundException" error

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 6,674 views
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Hadoop hdfs: How to count number of lines?

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 976 views
0 votes
1 answer

Hadoop: Adding multiple inputs with a different mapper using python

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,236 views
0 votes
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Hadoop HDFS: Java API to move files to hdfs

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,837 views
0 votes
1 answer

Hadoop Apache: Could not fully initialize service [org.apache.oozie.service.ShareLibService]

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 923 views
0 votes
1 answer

What is the difference between Hive internal tables and external tables?

Nov 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 2,676 views
0 votes
1 answer

How to use Sqoop in Java Program?

Nov 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,548 views
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Hadoop MapReduce intermediate output

Nov 16, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 583 views
0 votes
1 answer

Hadoop: Error: Could not find or load main class org.apache.hadoop.util.VersionInfo

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 12,023 views
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how do I run this R program on hadoop.

Nov 16, 2018 in Data Analytics by Ali
 • 11,360 points • 789 views
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Hadoop with Python: How to use python to stop Hadoop tasktracker?

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 400 views
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