Gaurangi94 commented on a change in pull request #2028:
URL: https://github.com/apache/hadoop/pull/2028#discussion_r485081448
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File path:
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryEventHandler.java
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@@ -1588,6 +1588,19 @@ public void stop() {
this.jobIndexInfo =
new JobIndexInfo(-1, -1, user, jobName, jobId, -1, -1, null,
queueName);
+
+ if (getConfig().getBoolean(
+ JHAdminConfig.MR_HISTORY_APPEND_RM_HOST_TO_HISTORY_FILE_NAME_ENABLED,
+
JHAdminConfig.DEFAULT_MR_HISTORY_APPEND_RM_HOST_TO_HISTORY_FILE_NAME_ENABLED)) {
+
+ String hostName = getConfig().get(YarnConfiguration.RM_HOSTNAME, "");
Review comment:
I see that YARN federation feature can have multiple RMs.
I created a high availability cluster to check my changes, and noticed that
one of the RMs (job-cluster-m-0) was listed as the host.
Is it safe to assume that YARN federation will behave similarly? Please note
that I used Hadoop 3.2.1 to test this.
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