simbadzina commented on code in PR #5691:
URL: https://github.com/apache/hadoop/pull/5691#discussion_r1207163355
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hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/NamenodeHeartbeatService.java:
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@@ -482,17 +502,36 @@ private void
updateHAStatusParameters(NamenodeStatusReport report) {
}
}
+ /**
+ * Evaluates whether the JMX report should be refreshed by
+ * calling the Namenode, based on the following conditions:
+ * 1. JMX Updates must be enabled.
+ * 2. The last attempt to update JMX occurred before the
+ * configured interval (if any).
+ */
+ private boolean shouldUpdateJmx() {
+ return updateJmxIntervalMs == 0
+ || (updateJmxIntervalMs > 0
Review Comment:
Can you combine these two to `>= 0`
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