Hitesh Shah created TEZ-2161:
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Summary: Support different aggregation models for counters
Key: TEZ-2161
URL: https://issues.apache.org/jira/browse/TEZ-2161
Project: Apache Tez
Issue Type: Bug
Reporter: Hitesh Shah
Some counters such as last event received time need to be handled different to
say bytes read counters. Bytes reads requires a summation across all tasks
within a vertex. The received time requires doing a max() across all the tasks.
First event received time would likely need a min().
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