Questions tagged [hadoop-2.7.2]

Hadoop is an Apache open-source project that provides software for reliable and scalable distributed computing.

Hadoop is an Apache open-source project that provides software for reliable and scalable distributed computing.

26 questions
9
votes
1 answer

YARN: Containers and JVM

Can someone help me understand the relation between JVM and containers in YARN? How JVMs are created, is it one JVM for each task? can multiple tasks run in the same JVM at the same time? (I'm aware of ubertasking where many tasks (maps/reduce) can…
MikA
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7
votes
1 answer

curl: (5) Could not resolve proxy: DELETE; Unknown error

I am using hadoop apache 2.7.1 on centos 7 and I want to delete a file(file1) by using webhdfs commands. curl -i -x DELETE "http://192.168.25.21:50070/webhdfs/v1/hadoophome/file1/?user.name=root&op=DELETE&recursive=true" But I am getting this…
oula alshiekh
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5
votes
1 answer

Why mrunit 1.1.0 jar is not available in Maven central repository

I tried to test my MapReduce 2 job with mrunit in a maven project. I searched from Maven central repo and found the result: http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22org.apache.mrunit%22%20AND%20a%3A%22mrunit%22 In the link above, the…
Rui
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2
votes
0 answers

Resource Manager web UI not working

I have pasted the configurations below yarn-site.xml