no data node and secondry node
when i creating single node cluster and type jps command then it show only node manger and resource manager it does not show other managers....
View ArticleMultiple blocks of same file might reside on same data node.
Hi, From my understanding i believe that , multiple blocks(not replicas) of same file in HDFS might reside on same data node. Say if a file has 3 blocks B1,B2 and B3. And the HDFS has 3 Data nodes ,...
View ArticleDone with PMP today
Hello Everyone! I am done with PMP today after preparing for 3 weeks. I observed few things that I thought to share with you: - 1. Head First PMP really helped me to get started as the texts of both...
View ArticleHi I got the Java class created in eclipse on my ...
Hi I got the Java class created in eclipse on my Mac but unable to compile it due to hadoop classes and I have uploaded the wordcount.java file through Hue on to simplilearn server and I am not sure...
View ArticleHi there is there in the group preparing for Agil...
Hi there is there in the group preparing for Agile ACP exam right now? would like to see if we can share some experience and learning?
View ArticleHadoop Installation - modifying Hadoop configuration files
I do not understand the instructions that were sent to me from SimpliLearn about the Hadoop installation and modifying the XML files that were extracted from the Hadoop 2.7.2 (there was no 2.7.1)...
View ArticleLocation of StockProcess.java file mentioned in Case study solutions example
Hi, I downloaded case study solutions and in that find some java files are mentioned but i amnot finding any where to execute that program.Please tell me how to get those files and execute map reduce...
View ArticlePIG : Error - LOAD command execution
Hi Team , I executed the following command , in the pig console questions_data=LOAD '/user/cfbbd33828bc18557df1d438b22459/socialmediaProj.txt' AS (c1:chararray, c2:chararray, c3:chararray,...
View ArticlePig consolidation help required
Hi All, I require some help in one of my sample pig project. I have imported an excel file which contains multiple sheets. The workbook contains yearly data from 2000 to 2016. Each sheet contains...
View ArticleBig Data Hadoop Architect
Your trainers are all set to answer your big questions about Big Data and Hadoop!
View ArticleHadoop Installation on Windows 8.1
Hi, Can anyone help me set up the complete hadoop environment on my laptop with windows 8.1? Please let me know what are the system requirements and what i need to download for the complete setup. At...
View Articleregarding java jar file
hi, its basic question i am asking i know as still learning java n didnt find it in elearning I am trying to copy code under same project using eclipse.i need original code with jar file and modify the...
View Articlejps OUTPUT IN CLOUD LAB
HELLO TEAM, WHEN EVERTHING IS INSTALLED IN CLOUD LAB THEN WHY BELOW nodes ARE NOT DISPLAYING WHEN I RUN THE COMMAND "jps". View attachment 716 Can you tell me the steps to configure the above node...
View ArticleUser is not in the sudoers file. This incident will be reported.
I am using cloud lab for big data testing and getting below error when I run the below command: View attachment 714
View ArticleClassNotFoundException error
Hi, Yesterday mapreduce code was fine. I just copied original code and modified it as needed to run new mapreduce program (created under same project) and did jar export as well and put new jar file to...
View Articlehadoop setup
Hi, Can anyone help me set up the complete hadoop environment on my laptop with windows 8.1? Please let me know what are the system requirements and what i need to download for the complete setup. At...
View Articleissue in installation
as per Syed instruction i am trying to install single node installation . but got struck. in creation of hadoop folder in /usr/local folder. its giving permission denied. I am using Ubuntu. Get latest...
View ArticleGetting error when connecting my mysql
hi, i am getting below error when i execute hadoop job which s trying to connect mysql db Exception in thread "main" java.lang.RuntimeException: java.lang.RuntimeException:...
View Articlelinks of recorded sessions
Hi Please provide links of class recordings for Data science with R ,SAS and Excel 8pm -11 Pm batch weekdays from May 23rd for 6th and 7th June and 9 th june. Thank You
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