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https://issues.apache.org/jira/browse/HDDS-13951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Huang Guan Hao updated HDDS-13951:
----------------------------------
    Description: 
I found that we have TODO comments indicating in 
[https://github.com/rich7420/ozone/blob/f9facd848ae52781badb468f741017bd8a68af11/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/ha/OMFailoverProxyProviderBase.java#L134]
 . It says we should migrate from `ProtobufRpcEngine` to `ProtobufRpcEngine2` 
after upgrading to Protobuf 3.x. Since we're already on Protobuf 3.25.8 and 
Hadoop 3.4.2, it would be good to complete this migration.
 
Current Status:
 * Hadoop 3.4.2 includes `ProtobufRpcEngine2` (verified in 
`hadoop-common-3.4.2.jar`)
 * Protobuf 3.25.8 is in use
 * Still using `ProtobufRpcEngine` in ~20+ places

  was:
I found that we have TODO comments indicating in 
[https://github.com/rich7420/ozone/blob/f9facd848ae52781badb468f741017bd8a68af11/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/ha/OMFailoverProxyProviderBase.java#L134]
 . It says we should migrate from `ProtobufRpcEngine` to `ProtobufRpcEngine2` 
after upgrading to Protobuf 3.x. Since we're already on Protobuf 3.25.8 and 
Hadoop 3.4.2, it would be good to complete this migration.
 
Current Status: * Hadoop 3.4.2 includes `ProtobufRpcEngine2` (verified in 
`hadoop-common-3.4.2.jar`)
 * Protobuf 3.25.8 is in use
 * Still using `ProtobufRpcEngine` in ~20+ places


> Migrate from ProtobufRpcEngine to ProtobufRpcEngine2
> ----------------------------------------------------
>
>                 Key: HDDS-13951
>                 URL: https://issues.apache.org/jira/browse/HDDS-13951
>             Project: Apache Ozone
>          Issue Type: Improvement
>            Reporter: Huang Guan Hao
>            Assignee: Huang Guan Hao
>            Priority: Major
>
> I found that we have TODO comments indicating in 
> [https://github.com/rich7420/ozone/blob/f9facd848ae52781badb468f741017bd8a68af11/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/ha/OMFailoverProxyProviderBase.java#L134]
>  . It says we should migrate from `ProtobufRpcEngine` to `ProtobufRpcEngine2` 
> after upgrading to Protobuf 3.x. Since we're already on Protobuf 3.25.8 and 
> Hadoop 3.4.2, it would be good to complete this migration.
>  
> Current Status:
>  * Hadoop 3.4.2 includes `ProtobufRpcEngine2` (verified in 
> `hadoop-common-3.4.2.jar`)
>  * Protobuf 3.25.8 is in use
>  * Still using `ProtobufRpcEngine` in ~20+ places



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