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https://issues.apache.org/jira/browse/TEZ-4715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18076868#comment-18076868
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Raghav Aggarwal commented on TEZ-4715:
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During TEZ-4708, the UT failures are observed. The goal is to migrate existing
protocols using ProtobufpcEngine to ProtobufpcEngine2 except
TezTaskUmbilicalProtocol as its only one using WritableRPCEngine
> Migrate Tez PB Protocols from ProtobufRPCEngine to ProtobufRPCEngine2
> ----------------------------------------------------------------------
>
> Key: TEZ-4715
> URL: https://issues.apache.org/jira/browse/TEZ-4715
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Raghav Aggarwal
> Assignee: Raghav Aggarwal
> Priority: Major
>
> Currently, Apache Tez explicitly sets ProtobufpcEngine for its Protocol
> Buffer-based RPC protocols. Starting from Hadoop 3.3.0 ProtobufpcEngine2 was
> introduced.
> Since Tez now depends on Hadoop 3.4.2 (as seen in the root pom. xml)
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