Tassapol Athiapinya created TEZ-877:
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Summary: Output verification should be strict enough to disregard
relaunched attempt.
Key: TEZ-877
URL: https://issues.apache.org/jira/browse/TEZ-877
Project: Apache Tez
Issue Type: Sub-task
Affects Versions: 0.3.0
Reporter: Tassapol Athiapinya
Fix For: 0.3.0
In current output verification framework, new attempt can pollute test result.
For example, if test expects output of attempt 0 of a vertex to be N. If actual
output is N-1, test will still pass because once output verification of N-1
fails, new attempt will be launched. We calculate sum of the vertex by summing
input values and its attempt number+1. With new attempt, sum of the vertex is
bumped by one to N and test will pass.
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