Questions by Shubham

0 votes
1 answer

Which Data Structure is used in case of Map Reduce?

May 4, 2018 in Big Data Hadoop • 2,318 views
0 votes
1 answer

Where Big Data tools like Hadoop and Spark comes into picture when we talk about ETL?

May 3, 2018 in Big Data Hadoop • 1,311 views
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1 answer

How Sqoop and Tera Data Connector for Hadoop differ from each other?

May 2, 2018 in Big Data Hadoop • 2,236 views
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1 answer

What are some of the famous visualization tools which can be integrated with Hadoop & Hive?

May 1, 2018 in Big Data Hadoop • 2,848 views
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1 answer

Which is better Neo4j or HBASE ?

Apr 26, 2018 in Big Data Hadoop • 1,624 views
+5 votes
11 answers

Concatenate columns in apache spark dataframe

Apr 26, 2018 in Apache Spark • 76,412 views
0 votes
1 answer

How to perform Near-real time analytics using Hadoop?

Apr 24, 2018 in Big Data Hadoop • 1,771 views
0 votes
1 answer

How do we authenticate user from http.signature.secret file?

Apr 24, 2018 in Big Data Hadoop • 3,249 views
0 votes
1 answer

How to transfer data from Netezza to HDFS using Apache Sqoop?

Apr 23, 2018 in Big Data Hadoop • 2,718 views
0 votes
1 answer

How to checkout Hadoop 2.6.0 from git

Apr 23, 2018 in Big Data Hadoop • 1,901 views
0 votes
1 answer

What does count command in Hadoop tells?

Apr 23, 2018 in Big Data Hadoop • 2,784 views
0 votes
1 answer

How to work with distributed cache in Hadoop?

Apr 20, 2018 in Big Data Hadoop • 2,374 views
0 votes
1 answer

How to implement data locality in Hadoop MapReduce?

Apr 20, 2018 in Big Data Hadoop • 1,904 views
0 votes
1 answer

How to import data to HBase from SQL server?

Apr 20, 2018 in Big Data Hadoop • 2,433 views
+1 vote
1 answer

Why minimum 3 Journal Nodes are required in Hadoop HA architecture?

Apr 20, 2018 in Big Data Hadoop • 12,921 views
0 votes
1 answer

Declaring separator in the MapReduce(Hadoop 0.20)

Apr 20, 2018 in Big Data Hadoop • 1,377 views
0 votes
1 answer

Difference between Hadoop file system and Linux

Apr 20, 2018 in Big Data Hadoop • 5,226 views
+1 vote
2 answers

Hadoop 3 compatibility with older versions of Hive, Pig, Sqoop and Spark

Apr 20, 2018 in Apache Spark • 7,991 views
0 votes
1 answer

Is there any way to check the Spark version?

Apr 19, 2018 in Apache Spark • 10,606 views
0 votes
1 answer

How to groupBy/count then filter on count in Scala

Apr 19, 2018 in Big Data Hadoop • 31,280 views
0 votes
1 answer

Setting Hive/Hadoop property using Hive Query

Apr 18, 2018 in Big Data Hadoop • 2,859 views
0 votes
1 answer

Getting error while building Hadoop core jar using ant.

Apr 18, 2018 in Big Data Hadoop • 1,868 views
0 votes
1 answer

What are the different ways to load data from Hadoop to Azure Data Lake?

Apr 18, 2018 in Big Data Hadoop • 2,130 views
0 votes
1 answer

What are the advantages & disadvantages of Hadoop Dockerization?

Apr 18, 2018 in Big Data Hadoop • 2,560 views
0 votes
1 answer

How to tune Spark jobs & optimize the performance?

Apr 18, 2018 in Big Data Hadoop • 2,776 views
0 votes
2 answers

How can I list NameNode & DataNodes from any machine in the Hadoop cluster?

Apr 18, 2018 in Big Data Hadoop • 12,784 views
0 votes
0 answers

How to Create Object Repository in Selenium Web Driver?

Apr 17, 2018 in Selenium • 2,675 views
0 votes
1 answer

Is there any way to write "map only" Hadoop jobs ?

Apr 16, 2018 in Big Data Hadoop • 2,027 views
0 votes
1 answer

Is there a way to rebalance single Datanode in Hadoop.

Apr 15, 2018 in Big Data Hadoop • 1,697 views
0 votes
1 answer

How can I put file to HDFS directly without copying it local disk?

Apr 15, 2018 in Big Data Hadoop • 5,738 views
0 votes
2 answers

Command to check the Hadoop distribution as well as it’s version which is installed in my cluster

Apr 15, 2018 in Big Data Hadoop • 6,846 views
0 votes
1 answer

Why Java Code in Hadoop uses own Data Types instead of basic Data types?

Apr 15, 2018 in Big Data Hadoop • 2,058 views
0 votes
1 answer

How to migrate/ change Hadoop 1.x maven project to Hadoop 2.x?

Apr 15, 2018 in Big Data Hadoop • 1,999 views
0 votes
1 answer

What are the various ways to import files into HDFS?

Apr 13, 2018 in Big Data Hadoop • 4,809 views
0 votes
1 answer

What are SUCCESS and part-r-00000 files in Hadoop?

Apr 12, 2018 in Big Data Hadoop • 14,963 views
0 votes
1 answer

How to move data from Oracle database to Hadoop?

Apr 12, 2018 in Big Data Hadoop • 8,553 views
0 votes
1 answer

Handling JavaScript Alert window in Selenium WebDriver

Apr 10, 2018 in Selenium • 3,429 views
0 votes
1 answer

Can one implement combiner and reducer separately?

Apr 10, 2018 in Big Data Hadoop • 1,940 views
0 votes
1 answer

RDBMS Vs Hadoop

Apr 6, 2018 in Big Data Hadoop • 1,640 views
0 votes
1 answer

Writing File into HDFS using spark scala

Apr 6, 2018 in Big Data Hadoop • 18,753 views
0 votes
1 answer

Explicit Wait and Fluent Wait error in Selenium Webdriver

Apr 2, 2018 in Selenium • 4,754 views
0 votes
2 answers

Unable to Click on an Element in Selenium (Python) even after finding it.

Mar 30, 2018 in Selenium • 25,875 views
0 votes
1 answer

dBase for my website always gives me this error “Invalid syntax”

Mar 30, 2018 in Selenium • 1,961 views
0 votes
1 answer

Browser is Unreachable exception while trying to test with Selenium Webdriver using IEDriver

Mar 30, 2018 in Selenium • 12,610 views
0 votes
2 answers

How to use Selenium with Python?

Mar 30, 2018 in Selenium • 2,345 views
0 votes
1 answer

Selenium IDE (2.9.1.1-signed) not working with latest Version of Firefox

Mar 30, 2018 in Selenium • 8,424 views
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3 answers

Clicking on an element in robot framework is not working in IE, but its working fine in Chrome & Firefox

Mar 30, 2018 in Selenium • 14,439 views
0 votes
1 answer

How do I set the zoom level of Internet Explorer to 100% when using python _winreg

Mar 30, 2018 in Selenium • 4,287 views
+1 vote
3 answers

java.lang.ClassNotFoundException: okhttp3.ConnectionPool - Selenium Error

Mar 30, 2018 in Selenium • 21,496 views
0 votes
1 answer

I'm working on utility tool which should to test GWT-App. I wanna use Chrome headless browser, but that doesn't work.

Mar 30, 2018 in Selenium • 2,144 views
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