Recent questions tagged hadoop

0 votes
    Why are there two separate packages map-reduce package in Apache's hadoop package tree: org.apache.hadoop.mapred ... separated out? Select the correct answer from above options...
asked Jan 26, 2022 in Education by JackTerrance
0 votes
    I installed Hadoop on the server running CentOs. As I run start-dfs.shor stop-dfs.sh I got the following error : ... I have to do? Select the correct answer from above options...
asked Jan 22, 2022 in Education by JackTerrance
0 votes
    What is namenode formatting? What does it involve. I'm looking to understand namenode formatting and its use. Select the correct answer from above options...
asked Jan 21, 2022 in Education by JackTerrance
0 votes
    Are they same? In my view "hadoop fs" command shows the hdfs files and the "hdfs dfs" command shows the local files, why is that? Select the correct answer from above options...
asked Jan 21, 2022 in Education by JackTerrance
0 votes
    I am having some trouble writing the code for wordcount program using MapReduce, I could use some help. Select the correct answer from above options...
asked Jan 21, 2022 in Education by JackTerrance
0 votes
    I plan on downloading Hadoop for learning purposes, can someone tell me what is the latest build or version in Hadoop? Select the correct answer from above options...
asked Jan 21, 2022 in Education by JackTerrance
0 votes
    I want to put my Results of a hiveql query into a CSV file. How can I do it? I tried doing this, but ... select goods from the table; Select the correct answer from above options...
asked Jan 21, 2022 in Education by JackTerrance
0 votes
    Is spark dependent on Hadoop? If not, then I can run Spark without Hadoop right? Will I miss any features if I do Select the correct answer from above options...
asked Jan 21, 2022 in Education by JackTerrance
0 votes
    I tried reading from various sources but I am still not very clear about their difference. What majorly seperates Mongodb and Hadoop? Select the correct answer from above options...
asked Jan 21, 2022 in Education by JackTerrance
0 votes
    How can I find the size of a directory, using Hadoop? Select the correct answer from above options...
asked Jan 21, 2022 in Education by JackTerrance
...