org.apache.flink.runtime.rest.handler.job.SubtasksTimesHandler Maven / Gradle / Ivy
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* 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.flink.runtime.rest.handler.job;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.runtime.execution.ExecutionState;
import org.apache.flink.runtime.executiongraph.AccessExecutionGraph;
import org.apache.flink.runtime.executiongraph.AccessExecutionJobVertex;
import org.apache.flink.runtime.executiongraph.AccessExecutionVertex;
import org.apache.flink.runtime.rest.handler.HandlerRequest;
import org.apache.flink.runtime.rest.handler.legacy.ExecutionGraphCache;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.JobIDPathParameter;
import org.apache.flink.runtime.rest.messages.JobVertexIdPathParameter;
import org.apache.flink.runtime.rest.messages.JobVertexMessageParameters;
import org.apache.flink.runtime.rest.messages.MessageHeaders;
import org.apache.flink.runtime.rest.messages.ResponseBody;
import org.apache.flink.runtime.rest.messages.SubtasksTimesInfo;
import org.apache.flink.runtime.taskmanager.TaskManagerLocation;
import org.apache.flink.runtime.webmonitor.RestfulGateway;
import org.apache.flink.runtime.webmonitor.history.ArchivedJson;
import org.apache.flink.runtime.webmonitor.history.JsonArchivist;
import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
/**
* Request handler for the subtasks times info.
*/
public class SubtasksTimesHandler extends AbstractJobVertexHandler implements JsonArchivist {
public SubtasksTimesHandler(
CompletableFuture localRestAddress,
GatewayRetriever leaderRetriever,
Time timeout,
Map responseHeaders,
MessageHeaders messageHeaders,
ExecutionGraphCache executionGraphCache,
Executor executor) {
super(
localRestAddress,
leaderRetriever,
timeout,
responseHeaders,
messageHeaders,
executionGraphCache,
executor);
}
@Override
protected SubtasksTimesInfo handleRequest(HandlerRequest request, AccessExecutionJobVertex jobVertex) {
return createSubtaskTimesInfo(jobVertex);
}
@Override
public Collection archiveJsonWithPath(AccessExecutionGraph graph) throws IOException {
Collection allVertices = graph.getAllVertices().values();
List archive = new ArrayList<>(allVertices.size());
for (AccessExecutionJobVertex task : allVertices) {
ResponseBody json = createSubtaskTimesInfo(task);
String path = getMessageHeaders().getTargetRestEndpointURL()
.replace(':' + JobIDPathParameter.KEY, graph.getJobID().toString())
.replace(':' + JobVertexIdPathParameter.KEY, task.getJobVertexId().toString());
archive.add(new ArchivedJson(path, json));
}
return archive;
}
private static SubtasksTimesInfo createSubtaskTimesInfo(AccessExecutionJobVertex jobVertex) {
final String id = jobVertex.getJobVertexId().toString();
final String name = jobVertex.getName();
final long now = System.currentTimeMillis();
final List subtasks = new ArrayList<>();
int num = 0;
for (AccessExecutionVertex vertex : jobVertex.getTaskVertices()) {
long[] timestamps = vertex.getCurrentExecutionAttempt().getStateTimestamps();
ExecutionState status = vertex.getExecutionState();
long scheduledTime = timestamps[ExecutionState.SCHEDULED.ordinal()];
long start = scheduledTime > 0 ? scheduledTime : -1;
long end = status.isTerminal() ? timestamps[status.ordinal()] : now;
long duration = start >= 0 ? end - start : -1L;
TaskManagerLocation location = vertex.getCurrentAssignedResourceLocation();
String locationString = location == null ? "(unassigned)" : location.getHostname();
Map timestampMap = new HashMap<>(ExecutionState.values().length);
for (ExecutionState state : ExecutionState.values()) {
timestampMap.put(state, timestamps[state.ordinal()]);
}
subtasks.add(new SubtasksTimesInfo.SubtaskTimeInfo(
num++,
locationString,
duration,
timestampMap));
}
return new SubtasksTimesInfo(id, name, now, subtasks);
}
}