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https://issues.apache.org/jira/browse/MAPREDUCE-6706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18073419#comment-18073419
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ASF GitHub Bot commented on MAPREDUCE-6706:
-------------------------------------------
steveloughran commented on code in PR #8422:
URL: https://github.com/apache/hadoop/pull/8422#discussion_r3078844146
##########
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskStatus.java:
##########
@@ -523,5 +523,32 @@ static TaskStatus createTaskStatus(boolean isMap) {
return (isMap) ? new MapTaskStatus() : new ReduceTaskStatus();
}
+ /**
+ * Write a TaskStatus to a DataOutput, prefixed by an isMap discriminator
byte.
+ * Used by the Protobuf-based RPC layer to serialize TaskStatus values.
+ * @param out output stream
+ * @param status status to write (must not be null)
+ * @throws IOException on I/O error
+ */
+ public static void writeTaskStatusForPB(DataOutput out, TaskStatus status)
+ throws IOException {
+ out.writeBoolean(status.getIsMap());
Review Comment:
I'll enum in java code mapped to an int in protobuf.
> Update TaskUmbilicalProtocol to use ProtobufRPCEngine
> -----------------------------------------------------
>
> Key: MAPREDUCE-6706
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6706
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Arun Suresh
> Assignee: Steve Loughran
> Priority: Major
> Labels: pull-request-available
>
> Currently, {{TaskUmbilicalProtocol}} still uses {{WritableRPCEngine}}, which
> should be moved to {{ProtocolRPCEngine}} so that the former can be deprecated
> as tracked by HADOOP-12579
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