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Review request for Ambari, Dmytro Sen, Sumit Mohanty, and Sid Wagle. Bugs: AMBARI-15540 https://issues.apache.org/jira/browse/AMBARI-15540 Repository: ambari Description ------- STR: 1)Deploy old version 2)Enable Mit security 3)Make Ambari only Upgrade 4)Disable security 5)Enable NN, RM HA 6)Enable/Disable security 7) Check Alerts for HDFS *Issue was absent for* {code} 2.2.2.0-285 2b1e7b75d1970f26b0a033cdfac8b53b457b83ff {code} *Actual result:* NAMENODE critical alert is present [Percentage standard deviation] after upgrade from 2.0.2/ 2.2.1.0 etc to 2.2.2.0 and disabling security {code} { "href" : "https://<>:8443/api/v1/clusters/cl1/alerts/201", "Alert" : { "cluster_name" : "cl1", "component_name" : "NAMENODE", "definition_id" : 102, "definition_name" : "namenode_client_rpc_processing_latency_daily", "host_name" : "<>", "id" : 201, "instance" : null, "label" : "NameNode Client RPC Processing Latency (Daily)", "latest_timestamp" : 1458643485805, "maintenance_state" : "OFF", "original_timestamp" : 1458643485805, "scope" : "ANY", "service_name" : "HDFS", "state" : "CRITICAL", "text" : "CRITICAL. Percentage standard deviation value 218.17% is beyond the critical threshold of 200.00%" } }, {code} Diffs ----- ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/alerts/alert_metrics_deviation.py f62c4a3 Diff: https://reviews.apache.org/r/45250/diff/ Testing ------- Thanks, Aravindan Vijayan