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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2015/01/21 22:21:34 UTC

[jira] [Created] (TEZ-1992) Move event tracking into Edges instead of Tasks

Siddharth Seth created TEZ-1992:
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             Summary: Move event tracking into Edges instead of Tasks
                 Key: TEZ-1992
                 URL: https://issues.apache.org/jira/browse/TEZ-1992
             Project: Apache Tez
          Issue Type: Improvement
            Reporter: Siddharth Seth
            Assignee: Siddharth Seth


TEZ-1991 will need events to be consolidated together / discarded. The current model of routing the events to tasks does not allow this - since the link between edges and events is lost.

Additionally, the AM needs to handle Obsolete events in case of node failure (new attempt launched and the output of the old event is no longer consumable). This aids towards that as well.



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