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https://issues.apache.org/jira/browse/TEZ-4502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17765220#comment-17765220
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Ayush Saxena commented on TEZ-4502:
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I tried this couple of days back: [https://github.com/apache/tez/pull/302]
I have some test failures, couldn't find time to check them yet, need to find
some time
> Migrate to ProtobufRpcEngine2
> -----------------------------
>
> Key: TEZ-4502
> URL: https://issues.apache.org/jira/browse/TEZ-4502
> Project: Apache Tez
> Issue Type: Task
> Reporter: Ashok Kumar
> Assignee: Ayush Saxena
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Hadoop has moved over from protobu 2.5.0 to hadoop shaded protobuf.
> It has created
> [ProtobufRpcEngine2|https://github.com/apache/hadoop/blob/release-3.3.4-RC1/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine2.java]
> for this purpose.
> Tez still uses
> [ProtobufRpcEngine|https://github.com/apache/hadoop/blob/release-3.3.4-RC1/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine.java]
> which is meant for protobuf 2.5.0 e.g
> [Ref#|https://github.com/apache/tez/blob/50380751b7e7e628aeb40a985b94aba98d2a88db/tez-api/src/main/java/org/apache/tez/client/TezClientUtils.java#L974]
> This Jira is to update Tez codebase to use ProtobufRpcEngine2
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