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Review request for hive, Gabor Szadovszky, Peter Vary, and Sergio Pena. Repository: hive-git Description ------- HIVE-14753: Track the number of open/closed/abandoned sessions in HS2 Diffs ----- common/src/java/org/apache/hadoop/hive/common/metrics/LegacyMetrics.java 9be9b50aa02ff88816eb92079eaff9afa3e1be90 common/src/java/org/apache/hadoop/hive/common/metrics/common/Metrics.java 4297233ed12a7d9a2fa03ac3204e8335c0aed821 common/src/java/org/apache/hadoop/hive/common/metrics/common/MetricsConstant.java 9dc96f9c6412720a891b5c55e2074049c893d780 common/src/java/org/apache/hadoop/hive/common/metrics/metrics2/CodahaleMetrics.java 4c433678bd62ea74b80babce9856681192deb25f common/src/java/org/apache/hadoop/hive/common/metrics/metrics2/MetricVariableRatioGauge.java PRE-CREATION common/src/test/org/apache/hadoop/hive/common/metrics/MetricsTestUtils.java 46676589e6656d0f13f1931bfe67a63dd1920042 common/src/test/org/apache/hadoop/hive/common/metrics/metrics2/TestMetricVariableRatioGauge.java PRE-CREATION service/src/java/org/apache/hive/service/cli/session/SessionManager.java 15bab0660fcb9a997d66f6ff0a5dbc0e39c37ae7 service/src/test/org/apache/hive/service/cli/session/TestSessionManagerMetrics.java 5511c54ff431211f7f72deaa017c915b839dfb2a Diff: https://reviews.apache.org/r/52079/diff/ Testing ------- Ran the unit tests in the common and the ql subprojects. Manually verified the metrics using the HS2 webui metric dump. Thanks, Barna Zsombor Klara
