Recent questions tagged big-data

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What is the meaning of Write Ahead Log in Hadoop?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 660 points • 2,446 views
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Hadoop: What does RDD mean?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 660 points • 1,348 views
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What is the difference between Apache ZooKeeper and Apache Oozie?

Nov 21, 2018 in Big Data Hadoop by Haman
 • 660 points • 4,967 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
 • 29,370 points • 5,226 views
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Hadoop: Java code to get Hive table properties.

Nov 21, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,132 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
 • 29,370 points • 8,105 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
 • 29,370 points • 1,202 views
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Hadoop HDFS: Exception in createBlockOutputStream

Nov 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 5,381 views
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How to open/stream .zip files through Spark?

Nov 20, 2018 in Apache Spark by Neha
 • 6,300 points • 2,805 views
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Hadoop: "Caused by: java.lang.ClassNotFoundException" error

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 7,468 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 • 1,424 views
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Hadoop: Adding multiple inputs with a different mapper using python

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,071 views
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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 • 4,403 views
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Big Data Architect career as a fresher

Nov 19, 2018 in Career Counselling by Ram
 • 850 points • 2,054 views
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3 answers

Big Data Architect Certifications/ Courses

Nov 19, 2018 in Career Counselling by Ram
 • 850 points • 1,421 views
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What does a Big Data Architect do?

Nov 19, 2018 in Career Counselling by Ram
 • 850 points • 1,192 views
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What are skills required to become a Big Data Architect?

Nov 19, 2018 in Career Counselling by Ram
 • 850 points • 1,418 views
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Big Data Solution Architect Salary

Nov 19, 2018 in Career Counselling by Ram
 • 850 points • 1,178 views
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What are the skills required to become a Chief Data Officer?

Nov 16, 2018 in Career Counselling by Kapoor
 • 1,070 points • 2,401 views
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Role of Chief Data Officer in Big Data

Nov 16, 2018 in Career Counselling by Kapoor
 • 1,070 points • 997 views
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3 answers

What is the average Salary of Chief Data Officer?

Nov 16, 2018 in Career Counselling by Kapoor
 • 1,070 points • 2,525 views
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1 answer

how do I run this R program on hadoop.

Nov 16, 2018 in Data Analytics by Ali
 • 11,360 points • 1,402 views
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how is apache sqoop different from flume? Can someone explain?

Nov 15, 2018 in Big Data Hadoop by vishal
 • 430 points • 650 views
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4 answers

Data Science Certifications

Nov 15, 2018 in Career Counselling by Max
 • 180 points • 1,107 views
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2 answers

What is the average Salary for Data Scientist?

Nov 15, 2018 in Career Counselling by Max
 • 180 points • 1,281 views
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Data Scientist Skills

Nov 15, 2018 in Career Counselling by Max
 • 180 points • 1,317 views
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What are the roles and responsibilities of a Data Scientist?

Nov 15, 2018 in Career Counselling by Max
 • 180 points • 3,620 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 • 7,230 views
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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 • 3,201 views
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1 answer

Hadoop HDFS: How to delete old files from HDFS?

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 14,666 views
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1 answer

Hadoop Spark: __spark_lib.zip does not exist

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,106 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 • 5,843 views
0 votes
3 answers

Data Warehousing Tools

Nov 14, 2018 in Career Counselling by Vidhyut
 • 1,170 points • 1,051 views
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2 answers

Data Warehouse Management Certification

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

Data Warehouse Manager Salary

Nov 14, 2018 in Career Counselling by Vidhyut
 • 1,170 points • 908 views
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2 answers

Skills required to become Data Warehouse Manager

Nov 14, 2018 in Career Counselling by Vidhyut
 • 1,170 points • 1,449 views
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2 answers

Responsibilities of Data Warehouse Manager

Nov 14, 2018 in Career Counselling by Vidhyut
 • 1,170 points • 4,421 views
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1 answer

Hadoop Hive: How to drop a table?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,205 views
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1 answer

Hadoop Hive: How to split a single row into multiple rows?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 10,029 views
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1 answer

Hadoop Hive: How to convert multiple rows into comma separated values?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 5,811 views
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Hadoop: RHadoop: packages ‘rmr’, ‘rJava‘, ‘RJSONIO‘, ‘rhdfs’, ‘rhbase’, ‘plyrmr’ are not available

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,422 views
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2 answers

Certifications for Data Analyst job

Nov 13, 2018 in Career Counselling by Haman
 • 660 points • 1,430 views
+1 vote
3 answers

Data Analyst job for fresher

Nov 13, 2018 in Career Counselling by Haman
 • 660 points • 1,753 views
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Data Analyst Salary

Nov 13, 2018 in Career Counselling by Haman
 • 660 points • 1,149 views
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3 answers

What are the skills required to become Data Analyst?

Nov 13, 2018 in Career Counselling by Haman
 • 660 points • 1,806 views
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3 answers

What are the responsibilities of Data Analyst?

Nov 13, 2018 in Career Counselling by Haman
 • 660 points • 2,257 views
0 votes
1 answer

Where can I find AMI for Hadoop on EC2?

Nov 12, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,272 views
0 votes
1 answer

How can I access S3/S3n from a local Hadoop 2.6 installation?

Oct 3, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 5,680 views
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1 answer

Integration of Hadoop with Mongo DB concept

Sep 25, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,057 views
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2 answers

Is there a .NET equivalent to Apache Hadoop?

Sep 18, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,159 views
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