Add orthogonal fault injection mechanism/framework
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Key: HADOOP-5974
URL: https://issues.apache.org/jira/browse/HADOOP-5974
Project: Hadoop Core
Issue Type: Test
Components: test
Reporter: Konstantin Boudnik
Assignee: Konstantin Boudnik
It'd be great to have a fault injection mechanism for Hadoop.
Having such solution in place will allow to increase test coverage of error
handling and recovery mechanisms, reduce reproduction time and increase the
reproduction rate of the problems.
Ideally, the system has to be orthogonal to the current code and test base.
E.g. faults have to be injected at build time and would have to be
configurable, e.g. all faults could be turned off, or only some of them would
be allowed to happen. Also, fault injection has to be separated from production
build.
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