Github user HeartSaVioR commented on a diff in the pull request:
https://github.com/apache/storm/pull/2203#discussion_r161135637
--- Diff: storm-core/src/jvm/org/apache/storm/metrics2/TaskMetrics.java ---
@@ -0,0 +1,81 @@
+/**
+ * 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.storm.metrics2;
+
+import com.codahale.metrics.Counter;
+import org.apache.storm.task.WorkerTopologyContext;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+
+public class TaskMetrics {
+ ConcurrentMap<String, Counter> ackedByStream = new
ConcurrentHashMap<>();
+ ConcurrentMap<String, Counter> failedByStream = new
ConcurrentHashMap<>();
+ ConcurrentMap<String, Counter> emittedByStream = new
ConcurrentHashMap<>();
+ ConcurrentMap<String, Counter> transferredByStream = new
ConcurrentHashMap<>();
+
+ private String topologyId;
+ private String componentId;
+ private Integer taskId;
+ private Integer workerPort;
+
+ public TaskMetrics(WorkerTopologyContext context, String componentId,
Integer taskid){
+ this.topologyId = context.getStormId();
+ this.componentId = componentId;
+ this.taskId = taskid;
+ this.workerPort = context.getThisWorkerPort();
+ }
+
+ public Counter getAcked(String streamId) {
+ Counter c = this.ackedByStream.get(streamId);
+ if (c == null) {
+ c = StormMetricRegistry.counter("acked", this.topologyId,
this.componentId, this.taskId, this.workerPort, streamId);
+ this.ackedByStream.put(streamId, c);
+ }
+ return c;
+ }
+
+ public Counter getFailed(String streamId) {
+ Counter c = this.ackedByStream.get(streamId);
--- End diff --
missed a spot: it should be `failedByStream`
---
