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Posted to common-dev@hadoop.apache.org by "Elek, Marton (JIRA)" <ji...@apache.org> on 2018/08/09 07:17:00 UTC
[jira] [Created] (HADOOP-15656) Support byteman in hadoop-runner
baseimage
Elek, Marton created HADOOP-15656:
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Summary: Support byteman in hadoop-runner baseimage
Key: HADOOP-15656
URL: https://issues.apache.org/jira/browse/HADOOP-15656
Project: Hadoop Common
Issue Type: Improvement
Reporter: Elek, Marton
Assignee: Elek, Marton
[Byteman|http://byteman.jboss.org/] is an easy to use tool to instrument a java process with agent string.
For example [this script|https://gist.githubusercontent.com/elek/0589a91b4d55afb228279f6c4f04a525/raw/8bb4e03de7397c8a9d9bb74a5ec80028b42575c4/hadoop.btm] defines a rule to print out all the hadoop rpc traffic to the standard output (which is extremely useful for testing development).
This patch adds the byteman.jar to the baseimage and defines a simple logic to add agent instrumentation string to the HADOOP_OPTS (optional it also could download the byteman script from an url)
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