Tagged Questions

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votes
1answer
45 views

Unable to read S3 file from interactive pig job flow

I'm unable to read a simple test file on S3 from an interactive pig job flow (hadoop, elastic map reduce), and I'm not sure why. I have two S3 buckets. Let's call them unmounted_bucket, and ...
0
votes
1answer
37 views

installing and configuring hadoop on ubuntu

I'm unable to locate the file hadoop-ec2-env.sh. I've downloaded and intalled hadoop_1.0.4-1_x86_64.deb from http://mirror.olnevhost.net/pub/apache/hadoop/common/stable/ This is the most recent ...
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1answer
32 views

setting up environment variables for aws hadoop ec2

I've been following this book: Hadoop in Action It gives a nice guide on how to start using ec2 with hadoop. One of the first things that it says is to download the command line tools here: ...
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votes
0answers
59 views

Apache Whirr - unable to destroy a hadoop cluster using destroy-cluster command

I'm trying to destroy a cluster I created using Whirr (v. 0.8.0) and am getting authorization errors. I'm starting a hadoop (CDH 3) cluster using EC2 c1.xlarge instances. I have no problems doing ...
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0answers
57 views

Cannot access data from hbase with amazone ec2

I have a single node hadoop machine in which hbase is running in the amazone ec2 instance. Due to some reason the server got restarted. So i need to start hadoop and hbase again. Then its working ...
0
votes
1answer
214 views

Hadoop streaming job on EC2 stays in “pending” state

Trying to experiment with Hadoop and Streaming using cloudera distribution CDH3 on Ubuntu. Have valid data in hdfs:// ready for processing. Wrote little streaming mapper in python. When I launch a ...
2
votes
1answer
491 views

Hadoop slaves file necessary?

I'm working on a team trying to create a system for creating Hadoop clusters on EC2 with minimal effort on the part of the user. Ideally, we would like slave instances to only require the hostname of ...