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https://issues.apache.org/jira/browse/HIVE-27506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17791603#comment-17791603
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Ayush Saxena commented on HIVE-27506:
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[~kanaka] I don't think that is anywhere in the plan, I think to use
ProtobufRpcEngine2 we need the thirdpaty-protobuf as well, so I don't think
that is happening anytime soon
> Migrate to ProtobufRpcEngine2
> -----------------------------
>
> Key: HIVE-27506
> URL: https://issues.apache.org/jira/browse/HIVE-27506
> Project: Hive
> Issue Type: Task
> Components: llap
> Reporter: Ashok Kumar
> Priority: Major
>
> 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.
> Hive llap 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/hive/blob/bd02abc9eba3aa0cd3701b26d9169130551a12ef/llap-common/src/java/org/apache/hadoop/hive/llap/LlapUtil.java#L267]
> This Jira is to update Hive llap codebase to use ProtobufRpcEngine2
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