Jason Lowe created TEZ-3336:
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Summary: Hive map-side join job sometimes fails with
ROOT_INPUT_INIT_FAILURE
Key: TEZ-3336
URL: https://issues.apache.org/jira/browse/TEZ-3336
Project: Apache Tez
Issue Type: Bug
Affects Versions: 0.7.1
Reporter: Jason Lowe
When Hive does a map-side join it can generate a DAG where a vertex has two
inputs, one from an upstream task and another using MRInputAMSplitGenerator.
If it takes a while for MRInputAMSplitGenerator to compute the splits and one
of the tasks for the other upstream vertex completes then the job can fail with
an error since MRInputAMSplitGenerator does not expect to receive any events.
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