Recent questions tagged big-data

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5 answers

What are the roles of a Big Data Engineer?

Nov 22, 2018 in Career Counselling by Kapoor
 • 1,070 points • 985 views
0 votes
3 answers

Is is possible for a fresher to get a Job as Big Data Engineer?

Nov 22, 2018 in Career Counselling by Kapoor
 • 1,070 points • 5,545 views
0 votes
2 answers

Big Data Engineer Certifications

Nov 22, 2018 in Career Counselling by Kapoor
 • 1,070 points • 878 views
0 votes
2 answers

What are the skills required to be a Data Engineer?

Nov 22, 2018 in Career Counselling by Kapoor
 • 1,070 points • 1,071 views
0 votes
2 answers

Salary of Data Engineer in India

Nov 22, 2018 in Career Counselling by Kapoor
 • 1,070 points • 799 views
0 votes
1 answer

Not able to run mapreduce job. Attempt failes error

Nov 22, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,041 views
0 votes
1 answer

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
0 votes
1 answer

Hadoop hdfs "permission denied" error when I try to make new directory

Nov 22, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 15,072 views
0 votes
1 answer

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
1 answer

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
0 votes
1 answer

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
0 votes
1 answer

How to check the size of a file in Hadoop HDFS?

Nov 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 12,930 views
0 votes
1 answer

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
0 votes
1 answer

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 • 3,348 views
0 votes
1 answer

What is SerDe in Hadoop Hive?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 650 points • 5,487 views
0 votes
1 answer

What is the meaning of Write Ahead Log in Hadoop?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 650 points • 1,814 views
0 votes
1 answer

Hadoop: What does RDD mean?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 650 points • 950 views
0 votes
1 answer

What is the difference between Apache ZooKeeper and Apache Oozie?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 650 points • 4,102 views
0 votes
1 answer

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 • 4,673 views
0 votes
1 answer

Hadoop: Java code to get Hive table properties.

Nov 21, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 732 views
0 votes
1 answer

Hadoop Java: org.apache.hadoop.conf.Configuration does not exist error

Nov 21, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 7,127 views
0 votes
1 answer

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
0 votes
1 answer

Hadoop HDFS: Exception in createBlockOutputStream

Nov 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,719 views
0 votes
1 answer

How to open/stream .zip files through Spark?

Nov 20, 2018 in Apache Spark by Neha
 • 6,300 points • 2,301 views
0 votes
1 answer

Hadoop: "Caused by: java.lang.ClassNotFoundException" error

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 6,674 views
0 votes
1 answer

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
1 answer

Hadoop HDFS: Java API to move files to hdfs

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,838 views
0 votes
4 answers

Big Data Architect career as a fresher

Nov 19, 2018 in Career Counselling by Ram
 • 850 points • 1,373 views
0 votes
3 answers

Big Data Architect Certifications/ Courses

Nov 19, 2018 in Career Counselling by Ram
 • 850 points • 765 views
0 votes
2 answers

What does a Big Data Architect do?

Nov 19, 2018 in Career Counselling by Ram
 • 850 points • 756 views
0 votes
2 answers

What are skills required to become a Big Data Architect?

Nov 19, 2018 in Career Counselling by Ram
 • 850 points • 868 views
0 votes
2 answers

Big Data Solution Architect Salary

Nov 19, 2018 in Career Counselling by Ram
 • 850 points • 718 views
0 votes
2 answers

What are the skills required to become a Chief Data Officer?

Nov 16, 2018 in Career Counselling by Kapoor
 • 1,070 points • 1,581 views
0 votes
2 answers

Role of Chief Data Officer in Big Data

Nov 16, 2018 in Career Counselling by Kapoor
 • 1,070 points • 562 views
0 votes
3 answers

What is the average Salary of Chief Data Officer?

Nov 16, 2018 in Career Counselling by Kapoor
 • 1,070 points • 1,796 views
0 votes
1 answer

how do I run this R program on hadoop.

Nov 16, 2018 in Data Analytics by Ali
 • 11,360 points • 789 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 • 358 views
0 votes
3 answers

Data Science Certifications

Nov 15, 2018 in Career Counselling by Max
 • 180 points • 526 views
0 votes
2 answers

What is the average Salary for Data Scientist?

Nov 15, 2018 in Career Counselling by Max
 • 180 points • 734 views
0 votes
2 answers

Data Scientist Skills

Nov 15, 2018 in Career Counselling by Max
 • 180 points • 727 views
0 votes
5 answers

What are the roles and responsibilities of a Data Scientist?

Nov 15, 2018 in Career Counselling by Max
 • 180 points • 2,598 views
+2 votes
1 answer

Hadoop: Type mismatch in key from map: expected org.apache.hadoop.io.Text, recieved org.apache.hadoop.io.LongWritable

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 6,106 views
0 votes
1 answer

Hadoop Hive Hbase: How to insert data into Hbase using Hive (JSON file)?

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,690 views
0 votes
1 answer

Hadoop HDFS: How to delete old files from HDFS?

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 13,661 views
0 votes
1 answer

Hadoop Spark: __spark_lib.zip does not exist

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,479 views
0 votes
1 answer

Hadoop Hive: recursively descending into subdirectories without partitions or editing hive-site.xml

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 5,239 views
0 votes
3 answers

Data Warehousing Tools

Nov 14, 2018 in Career Counselling by Vidhyut
 • 1,170 points • 678 views
0 votes
2 answers

Data Warehouse Management Certification

Nov 14, 2018 in Career Counselling by Vidhyut
 • 1,170 points • 582 views
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