goiri commented on code in PR #5672:
URL: https://github.com/apache/hadoop/pull/5672#discussion_r1198012980
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java:
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@@ -703,6 +703,24 @@ protected static void validateConfigs(Configuration conf) {
+ ", " + YarnConfiguration.RM_NM_HEARTBEAT_INTERVAL_MS + "="
+ heartbeatIntvl);
}
+
+ if (HAUtil.isFederationEnabled(conf)) {
+ /*
+ * In Yarn Federation, we need UAMs in secondary sub-clusters to stay
+ * alive when the next attempt AM in home sub-cluster gets launched. If
+ * the previous AM died because the node is lost after NM timeout. It
will
+ * already be too late if AM timeout is even shorter.
+ */
+ int amExpireIntvl =
conf.getInt(YarnConfiguration.RM_AM_EXPIRY_INTERVAL_MS,
Review Comment:
Can we switch to getTimeDuration() or would that break backwards
compatibility.
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