The trace generator should test operation on the current format by building a
test case that runs an ad hoc cluster
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Key: MAPREDUCE-1479
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1479
Project: Hadoop Map/Reduce
Issue Type: New Feature
Affects Versions: 0.22.0
Reporter: Dick King
Fix For: 0.22.0
Rumen's trace generator, built in final form when we install MAPREDUCE-1309 ,
has features that can parse a history event log in the current format. The
testing story on that feature is not good. We can improve it by writing a test
case that builds a local single-node cluster, runs a carefully crafted
map/reduce job on that cluster, runs the trace generator on the resulting job
tracker log, and finally tests the trace for correctness.
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