arjun4084346 commented on code in PR #3983: URL: https://github.com/apache/gobblin/pull/3983#discussion_r1683541944
########## gobblin-service/src/main/java/org/apache/gobblin/service/modules/orchestration/task/DagProcessingEngineMetrics.java: ########## @@ -0,0 +1,177 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.gobblin.service.modules.orchestration.task; + +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.ConcurrentHashMap; + +import java.util.concurrent.ConcurrentMap; +import javax.inject.Inject; +import lombok.extern.slf4j.Slf4j; +import org.apache.gobblin.configuration.State; +import org.apache.gobblin.instrumented.Instrumented; +import org.apache.gobblin.metrics.ContextAwareMeter; +import org.apache.gobblin.metrics.GobblinMetrics; +import org.apache.gobblin.metrics.MetricContext; +import org.apache.gobblin.metrics.MetricTagNames; +import org.apache.gobblin.metrics.Tag; +import org.apache.gobblin.service.modules.orchestration.DagActionStore; +import org.apache.gobblin.metrics.ServiceMetricNames; + +/** + * Used to track all metrics relating to processing dagActions when DagProcessingEngine is enabled. The metrics can be + * used to trace the number of dagActions (which can be further broken down by type) at various points of the system, + * starting from addition to the DagActionStore to observation in the DagActionChangeMonitor through the + * DagProcessingEngine pipeline (DagManagement -> DagTaskStreamImpl -> MySqlMultiActiveLeaseArbiter -> DagProc). + */ +@Slf4j +public class DagProcessingEngineMetrics { + MetricContext metricContext; + // Declare map of dagActionType to a ContextAwareMeter for each metric + private ConcurrentMap<String, ContextAwareMeter> dagActionsStoredMeterByDagActionType = new ConcurrentHashMap(); Review Comment: just fyi, we do not need ConcurrentMap, we just needed ContextAwareMeter to be thread safe so it handle two simultaneous requests for mark correctly. fortunately it is threadsafe. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
