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From GitBox <...@apache.org>
Subject [GitHub] [hadoop] jiwq commented on a change in pull request #2028: MAPREDUCE-7279. Adds RM host name to history server web page
Date Wed, 09 Sep 2020 15:53:22 GMT

jiwq commented on a change in pull request #2028:
URL: https://github.com/apache/hadoop/pull/2028#discussion_r485720653



##########
File path: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryEventHandler.java
##########
@@ -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 don't think so. In federation cluster, the job can be route to any physical cluster.




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