-
Notifications
You must be signed in to change notification settings - Fork 8.9k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
YARN-10550. Decouple NM runner logic from SLSRunner. Contributed by S…
…zilard Nemeth
- Loading branch information
1 parent
6e00a79
commit ab8c360
Showing
6 changed files
with
296 additions
and
179 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
238 changes: 238 additions & 0 deletions
238
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/NMRunner.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,238 @@ | ||
/* | ||
* 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.hadoop.yarn.sls; | ||
|
||
import org.apache.hadoop.conf.Configuration; | ||
import org.apache.hadoop.fs.Path; | ||
import org.apache.hadoop.yarn.api.records.NodeId; | ||
import org.apache.hadoop.yarn.api.records.NodeLabel; | ||
import org.apache.hadoop.yarn.api.records.NodeState; | ||
import org.apache.hadoop.yarn.api.records.Resource; | ||
import org.apache.hadoop.yarn.api.records.ResourceInformation; | ||
import org.apache.hadoop.yarn.exceptions.YarnException; | ||
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager; | ||
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode; | ||
import org.apache.hadoop.yarn.sls.SLSRunner.TraceType; | ||
import org.apache.hadoop.yarn.sls.conf.SLSConfiguration; | ||
import org.apache.hadoop.yarn.sls.nodemanager.NMSimulator; | ||
import org.apache.hadoop.yarn.sls.scheduler.TaskRunner; | ||
import org.apache.hadoop.yarn.sls.synthetic.SynthTraceJobProducer; | ||
import org.apache.hadoop.yarn.sls.utils.SLSUtils; | ||
import org.apache.hadoop.yarn.util.resource.ResourceUtils; | ||
import org.apache.hadoop.yarn.util.resource.Resources; | ||
import org.slf4j.Logger; | ||
import org.slf4j.LoggerFactory; | ||
|
||
import java.io.IOException; | ||
import java.util.Map; | ||
import java.util.Random; | ||
import java.util.Set; | ||
import java.util.concurrent.ConcurrentHashMap; | ||
import java.util.concurrent.ExecutorService; | ||
import java.util.concurrent.Executors; | ||
import java.util.concurrent.TimeUnit; | ||
|
||
public class NMRunner { | ||
private static final Logger LOG = LoggerFactory.getLogger(NMRunner.class); | ||
|
||
// other simulation information | ||
private int numNMs, numRacks; | ||
|
||
// NM simulator | ||
private Map<NodeId, NMSimulator> nmMap; | ||
private Resource nodeManagerResource; | ||
private String nodeFile; | ||
private TaskRunner taskRunner; | ||
private Configuration conf; | ||
private ResourceManager rm; | ||
private String tableMapping; | ||
private int threadPoolSize; | ||
private TraceType inputType; | ||
private String[] inputTraces; | ||
private SynthTraceJobProducer stjp; | ||
|
||
public NMRunner(TaskRunner taskRunner, Configuration conf, ResourceManager rm, String tableMapping, int threadPoolSize) { | ||
this.taskRunner = taskRunner; | ||
this.conf = conf; | ||
this.rm = rm; | ||
this.tableMapping = tableMapping; | ||
this.threadPoolSize = threadPoolSize; | ||
this.nmMap = new ConcurrentHashMap<>(); | ||
this.nodeManagerResource = getNodeManagerResourceFromConf(); | ||
} | ||
|
||
public void startNM() throws YarnException, IOException, | ||
InterruptedException { | ||
// nm configuration | ||
int heartbeatInterval = conf.getInt( | ||
SLSConfiguration.NM_HEARTBEAT_INTERVAL_MS, | ||
SLSConfiguration.NM_HEARTBEAT_INTERVAL_MS_DEFAULT); | ||
float resourceUtilizationRatio = conf.getFloat( | ||
SLSConfiguration.NM_RESOURCE_UTILIZATION_RATIO, | ||
SLSConfiguration.NM_RESOURCE_UTILIZATION_RATIO_DEFAULT); | ||
// nm information (fetch from topology file, or from sls/rumen json file) | ||
Set<SLSRunner.NodeDetails> nodeSet = null; | ||
if (nodeFile.isEmpty()) { | ||
for (String inputTrace : inputTraces) { | ||
switch (inputType) { | ||
case SLS: | ||
nodeSet = SLSUtils.parseNodesFromSLSTrace(inputTrace); | ||
break; | ||
case RUMEN: | ||
nodeSet = SLSUtils.parseNodesFromRumenTrace(inputTrace); | ||
break; | ||
case SYNTH: | ||
stjp = new SynthTraceJobProducer(conf, new Path(inputTraces[0])); | ||
nodeSet = SLSUtils.generateNodes(stjp.getNumNodes(), | ||
stjp.getNumNodes()/stjp.getNodesPerRack()); | ||
break; | ||
default: | ||
throw new YarnException("Input configuration not recognized, " | ||
+ "trace type should be SLS, RUMEN, or SYNTH"); | ||
} | ||
} | ||
} else { | ||
nodeSet = SLSUtils.parseNodesFromNodeFile(nodeFile, | ||
nodeManagerResource); | ||
} | ||
|
||
if (nodeSet == null || nodeSet.isEmpty()) { | ||
throw new YarnException("No node! Please configure nodes."); | ||
} | ||
|
||
SLSUtils.generateNodeTableMapping(nodeSet, tableMapping); | ||
|
||
// create NM simulators | ||
Random random = new Random(); | ||
Set<String> rackSet = ConcurrentHashMap.newKeySet(); | ||
int threadPoolSize = Math.max(this.threadPoolSize, | ||
SLSConfiguration.RUNNER_POOL_SIZE_DEFAULT); | ||
ExecutorService executorService = Executors. | ||
newFixedThreadPool(threadPoolSize); | ||
for (SLSRunner.NodeDetails nodeDetails : nodeSet) { | ||
executorService.submit(new Runnable() { | ||
@Override public void run() { | ||
try { | ||
// we randomize the heartbeat start time from zero to 1 interval | ||
NMSimulator nm = new NMSimulator(); | ||
Resource nmResource = nodeManagerResource; | ||
String hostName = nodeDetails.getHostname(); | ||
if (nodeDetails.getNodeResource() != null) { | ||
nmResource = nodeDetails.getNodeResource(); | ||
} | ||
Set<NodeLabel> nodeLabels = nodeDetails.getLabels(); | ||
nm.init(hostName, nmResource, | ||
random.nextInt(heartbeatInterval), | ||
heartbeatInterval, rm, resourceUtilizationRatio, nodeLabels); | ||
nmMap.put(nm.getNode().getNodeID(), nm); | ||
taskRunner.schedule(nm); | ||
rackSet.add(nm.getNode().getRackName()); | ||
} catch (IOException | YarnException e) { | ||
LOG.error("Got an error while adding node", e); | ||
} | ||
} | ||
}); | ||
} | ||
executorService.shutdown(); | ||
executorService.awaitTermination(10, TimeUnit.MINUTES); | ||
numRacks = rackSet.size(); | ||
numNMs = nmMap.size(); | ||
} | ||
|
||
void waitForNodesRunning() throws InterruptedException { | ||
long startTimeMS = System.currentTimeMillis(); | ||
while (true) { | ||
int numRunningNodes = 0; | ||
for (RMNode node : rm.getRMContext().getRMNodes().values()) { | ||
if (node.getState() == NodeState.RUNNING) { | ||
numRunningNodes++; | ||
} | ||
} | ||
if (numRunningNodes == numNMs) { | ||
break; | ||
} | ||
LOG.info("SLSRunner is waiting for all nodes RUNNING." | ||
+ " {} of {} NMs initialized.", numRunningNodes, numNMs); | ||
Thread.sleep(1000); | ||
} | ||
LOG.info("SLSRunner takes {} ms to launch all nodes.", | ||
System.currentTimeMillis() - startTimeMS); | ||
} | ||
|
||
private Resource getNodeManagerResourceFromConf() { | ||
Resource resource = Resources.createResource(0); | ||
ResourceInformation[] infors = ResourceUtils.getResourceTypesArray(); | ||
for (ResourceInformation info : infors) { | ||
long value; | ||
if (info.getName().equals(ResourceInformation.MEMORY_URI)) { | ||
value = conf.getInt(SLSConfiguration.NM_MEMORY_MB, | ||
SLSConfiguration.NM_MEMORY_MB_DEFAULT); | ||
} else if (info.getName().equals(ResourceInformation.VCORES_URI)) { | ||
value = conf.getInt(SLSConfiguration.NM_VCORES, | ||
SLSConfiguration.NM_VCORES_DEFAULT); | ||
} else { | ||
value = conf.getLong(SLSConfiguration.NM_PREFIX + | ||
info.getName(), SLSConfiguration.NM_RESOURCE_DEFAULT); | ||
} | ||
|
||
resource.setResourceValue(info.getName(), value); | ||
} | ||
|
||
return resource; | ||
} | ||
|
||
public void setNodeFile(String nodeFile) { | ||
this.nodeFile = nodeFile; | ||
} | ||
|
||
|
||
public void setInputType(TraceType inputType) { | ||
this.inputType = inputType; | ||
} | ||
|
||
public void setInputTraces(String[] inputTraces) { | ||
this.inputTraces = inputTraces; | ||
} | ||
|
||
public int getNumNMs() { | ||
return numNMs; | ||
} | ||
|
||
public int getNumRacks() { | ||
return numRacks; | ||
} | ||
|
||
public Resource getNodeManagerResource() { | ||
return nodeManagerResource; | ||
} | ||
|
||
public Map<NodeId, NMSimulator> getNmMap() { | ||
return nmMap; | ||
} | ||
|
||
public SynthTraceJobProducer getStjp() { | ||
return stjp; | ||
} | ||
|
||
public void setTableMapping(String tableMapping) { | ||
this.tableMapping = tableMapping; | ||
} | ||
|
||
public void setRm(ResourceManager rm) { | ||
this.rm = rm; | ||
} | ||
} |
Oops, something went wrong.