Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.apache.flink.runtime.rest.handler.job.JobDetailsHandler Maven / Gradle / Ivy
/*
* 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.JobID;
import org.apache.flink.api.common.JobStatus;
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.executiongraph.ExecutionJobVertex;
import org.apache.flink.runtime.rest.handler.HandlerRequest;
import org.apache.flink.runtime.rest.handler.RestHandlerException;
import org.apache.flink.runtime.rest.handler.legacy.ExecutionGraphCache;
import org.apache.flink.runtime.rest.handler.legacy.metrics.MetricFetcher;
import org.apache.flink.runtime.rest.handler.util.MutableIOMetrics;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.JobIDPathParameter;
import org.apache.flink.runtime.rest.messages.JobMessageParameters;
import org.apache.flink.runtime.rest.messages.MessageHeaders;
import org.apache.flink.runtime.rest.messages.ResponseBody;
import org.apache.flink.runtime.rest.messages.job.JobDetailsInfo;
import org.apache.flink.runtime.rest.messages.job.metrics.IOMetricsInfo;
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 org.apache.flink.util.Preconditions;
import javax.annotation.Nullable;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Executor;
/**
* Handler returning the details for the specified job.
*/
public class JobDetailsHandler extends AbstractExecutionGraphHandler implements JsonArchivist {
private final MetricFetcher metricFetcher;
public JobDetailsHandler(
GatewayRetriever leaderRetriever,
Time timeout,
Map responseHeaders,
MessageHeaders messageHeaders,
ExecutionGraphCache executionGraphCache,
Executor executor,
MetricFetcher metricFetcher) {
super(
leaderRetriever,
timeout,
responseHeaders,
messageHeaders,
executionGraphCache,
executor);
this.metricFetcher = Preconditions.checkNotNull(metricFetcher);
}
@Override
protected JobDetailsInfo handleRequest(
HandlerRequest request,
AccessExecutionGraph executionGraph) throws RestHandlerException {
return createJobDetailsInfo(executionGraph, metricFetcher);
}
@Override
public Collection archiveJsonWithPath(AccessExecutionGraph graph) throws IOException {
ResponseBody json = createJobDetailsInfo(graph, null);
String path = getMessageHeaders().getTargetRestEndpointURL()
.replace(':' + JobIDPathParameter.KEY, graph.getJobID().toString());
return Collections.singleton(new ArchivedJson(path, json));
}
private static JobDetailsInfo createJobDetailsInfo(AccessExecutionGraph executionGraph, @Nullable MetricFetcher metricFetcher) {
final long now = System.currentTimeMillis();
final long startTime = executionGraph.getStatusTimestamp(JobStatus.CREATED);
final long endTime = executionGraph.getState().isGloballyTerminalState() ?
executionGraph.getStatusTimestamp(executionGraph.getState()) : -1L;
final long duration = (endTime > 0L ? endTime : now) - startTime;
final Map timestamps = new HashMap<>(JobStatus.values().length);
for (JobStatus jobStatus : JobStatus.values()) {
timestamps.put(jobStatus, executionGraph.getStatusTimestamp(jobStatus));
}
Collection jobVertexInfos = new ArrayList<>(executionGraph.getAllVertices().size());
int[] jobVerticesPerState = new int[ExecutionState.values().length];
for (AccessExecutionJobVertex accessExecutionJobVertex : executionGraph.getVerticesTopologically()) {
final JobDetailsInfo.JobVertexDetailsInfo vertexDetailsInfo = createJobVertexDetailsInfo(
accessExecutionJobVertex,
now,
executionGraph.getJobID(),
metricFetcher);
jobVertexInfos.add(vertexDetailsInfo);
jobVerticesPerState[vertexDetailsInfo.getExecutionState().ordinal()]++;
}
Map jobVerticesPerStateMap = new HashMap<>(ExecutionState.values().length);
for (ExecutionState executionState : ExecutionState.values()) {
jobVerticesPerStateMap.put(executionState, jobVerticesPerState[executionState.ordinal()]);
}
return new JobDetailsInfo(
executionGraph.getJobID(),
executionGraph.getJobName(),
executionGraph.isStoppable(),
executionGraph.getState(),
startTime,
endTime,
duration,
now,
timestamps,
jobVertexInfos,
jobVerticesPerStateMap,
executionGraph.getJsonPlan());
}
private static JobDetailsInfo.JobVertexDetailsInfo createJobVertexDetailsInfo(
AccessExecutionJobVertex ejv,
long now,
JobID jobId,
MetricFetcher metricFetcher) {
int[] tasksPerState = new int[ExecutionState.values().length];
long startTime = Long.MAX_VALUE;
long endTime = 0;
boolean allFinished = true;
for (AccessExecutionVertex vertex : ejv.getTaskVertices()) {
final ExecutionState state = vertex.getExecutionState();
tasksPerState[state.ordinal()]++;
// take the earliest start time
long started = vertex.getStateTimestamp(ExecutionState.DEPLOYING);
if (started > 0L) {
startTime = Math.min(startTime, started);
}
allFinished &= state.isTerminal();
endTime = Math.max(endTime, vertex.getStateTimestamp(state));
}
long duration;
if (startTime < Long.MAX_VALUE) {
if (allFinished) {
duration = endTime - startTime;
}
else {
endTime = -1L;
duration = now - startTime;
}
}
else {
startTime = -1L;
endTime = -1L;
duration = -1L;
}
ExecutionState jobVertexState =
ExecutionJobVertex.getAggregateJobVertexState(tasksPerState, ejv.getParallelism());
Map tasksPerStateMap = new HashMap<>(tasksPerState.length);
for (ExecutionState executionState : ExecutionState.values()) {
tasksPerStateMap.put(executionState, tasksPerState[executionState.ordinal()]);
}
MutableIOMetrics counts = new MutableIOMetrics();
for (AccessExecutionVertex vertex : ejv.getTaskVertices()) {
counts.addIOMetrics(
vertex.getCurrentExecutionAttempt(),
metricFetcher,
jobId.toString(),
ejv.getJobVertexId().toString());
}
final IOMetricsInfo jobVertexMetrics = new IOMetricsInfo(
counts.getNumBytesIn(),
counts.isNumBytesInComplete(),
counts.getNumBytesOut(),
counts.isNumBytesOutComplete(),
counts.getNumRecordsIn(),
counts.isNumRecordsInComplete(),
counts.getNumRecordsOut(),
counts.isNumRecordsOutComplete());
return new JobDetailsInfo.JobVertexDetailsInfo(
ejv.getJobVertexId(),
ejv.getName(),
ejv.getParallelism(),
jobVertexState,
startTime,
endTime,
duration,
tasksPerStateMap,
jobVertexMetrics);
}
}
