[#HDFS-435] Add orthogonal fault injection mechanism/framework

Hadoop HDFS

Add orthogonal fault injection mechanism/framework

Created: 04/Jun/09 09:39 PM Updated: 09/Oct/09 06:43 PM

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File Name	Date Attached	Attached By	Size
Fault injection development guide and Framework HowTo.pdf	2009-07-22 05:12 PM	Konstantin Boudnik	134 kB
Fault injection development guide and Framework HowTo.pdf	2009-07-21 08:44 PM	Konstantin Boudnik	133 kB

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This issue relates to:

HDFS-483 Data transfer (aka pipeline) implementation cannot tolerate exceptions

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This issue is depended upon by:

~~HADOOP-6204~~ Implementing aspects development and fault injeciton framework for Hadoop

Release Note:	New fault injection framework AspectJ improves testing. See Jira item for users' guide.
Resolution Date:	06/Aug/09 05:53 PM

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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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