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Review request for Ambari and Vitalyi Brodetskyi. Bugs: AMBARI-17063 https://issues.apache.org/jira/browse/AMBARI-17063 Repository: ambari Description ------- This is a follow-on jira of BUG-53459: when Ambari queries NameNode's HA states, currently it retrieves a group of metrics including some unnecessary ones that may compete for NameNode lock. It would be better for Ambari to only retrieve HA state metrics from NameNode. Diffs ----- ambari-server/src/main/java/org/apache/ambari/server/controller/jmx/JMXPropertyProvider.java e1a5e22 ambari-server/src/test/java/org/apache/ambari/server/controller/jmx/TestStreamProvider.java 8819991 ambari-server/src/test/java/org/apache/ambari/server/controller/metrics/JMXPropertyProviderTest.java 4adea20 ambari-server/src/test/resources/hdfs_namenode_jmx_ha_only.json PRE-CREATION Diff: https://reviews.apache.org/r/48284/diff/ Testing ------- mvn clean test Thanks, Andrew Onischuk