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Questions tagged [cdh4]

CDH4 is the Cloudera Distribution of Hadoop, release 4. It includes Hadoop and nine other open source projects from the Hadoop ecosystem. It is comparable to HDP (the Horton Data Platform).

CDH4 is the Cloudera Distribution of Hadoop, release 4. It includes Hadoop and nine other open source projects from the Hadoop ecosystem. It is comparable to HDP (the Horton Data Platform).

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Setting up permissions in Cloudera Hadoop 4 (CDH4)

I would like to set up HDFS permissions in CDH4, with the following requirements: Everyone can read everything from all HDFS directories Each user can only write to his user directory on HDFS Except a special user who can write everywhere This is…
yby
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Implications of Multiple JobTracker nodes in a Hadoop cluster?

I get the impression that one can, potentially, have multiple JobTracker nodes configured to share the same set of MR (TaskTracker) nodes. I know that, conventionally, all the nodes in a Hadoop cluster should have the same set of configuration…
Jim Dennis
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Flume- Error Log while using FileChannel

I am using Flume flume-ng-1.5.0 ( with CDH 5.4) to collect logs from many Servers and Sink to HDFS Here is my configuration : #Define Source , Sinks, Channel collector.sources = avro collector.sinks = HadoopOut collector.channels = fileChannel #…
Summer Nguyen
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hadoop hbase environment variables

I tried to setup a 4 node Hadoop cluster using CDH4.7. The cluster is up and running fine and when I submit a word count MR job it completed successfully but when I am submitting an MR job to insert data into HBase it was throwing class not found…
sunny
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CDH3 rebalancer without Cloudera Manager

We recently added new nodes to the cluster and I want to run the re-balancer to distribute the data among these nodes. We are using CDH3 and whole system is cheffed - I am not even sure if there is cloudera manager installed on any of these boxes.…
Atul Kulkarni
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Hadoop CDH4 Evaluation: Which Ubuntu would be preferred? Lucid or Precise

I'm setting up a CDH4 in AWS for evaluation (we already have a CHD3 running on Ubuntu Lucid) and I'd like advice regarding any known gotchyas that I'd be likely to encounter if running it on Lucid vs. Precise. Is it safer to set up the test cluster…
Jim Dennis
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