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YARN-8137. Parallelize node addition in SLS. Contributed by Abhishek Modi.

This commit is contained in:
Inigo Goiri 2018-04-20 09:09:12 -07:00
parent 860cc28a5a
commit fd24fd0ff7
1 changed files with 39 additions and 18 deletions
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57
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/SLSRunner.java
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@ -33,6 +33,9 @@ import java.util.Random;
import java.util.Set;
import java.util.Collections;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.databind.ObjectMapper;
@ -85,6 +88,7 @@ import org.apache.hadoop.yarn.sls.utils.SLSUtils;
import org.apache.hadoop.yarn.util.UTCClock;
import org.apache.hadoop.yarn.util.resource.ResourceUtils;
import org.apache.hadoop.yarn.util.resource.Resources;
import org.eclipse.jetty.util.ConcurrentHashSet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -96,9 +100,10 @@ public class SLSRunner extends Configured implements Tool {
private static TaskRunner runner = new TaskRunner();
private String[] inputTraces;
private Map<String, Integer> queueAppNumMap;
private int poolSize;
// NM simulator
private HashMap<NodeId, NMSimulator> nmMap;
private Map<NodeId, NMSimulator> nmMap;
private Resource nodeManagerResource;
private String nodeFile;
@ -158,7 +163,7 @@ public class SLSRunner extends Configured implements Tool {
}
private void init(Configuration tempConf) throws ClassNotFoundException {
nmMap = new HashMap<>();
nmMap = new ConcurrentHashMap<>();
queueAppNumMap = new HashMap<>();
amMap = new ConcurrentHashMap<>();
amClassMap = new HashMap<>();
@ -167,7 +172,7 @@ public class SLSRunner extends Configured implements Tool {
setConf(tempConf);
// runner
int poolSize = tempConf.getInt(SLSConfiguration.RUNNER_POOL_SIZE,
poolSize = tempConf.getInt(SLSConfiguration.RUNNER_POOL_SIZE,
SLSConfiguration.RUNNER_POOL_SIZE_DEFAULT);
SLSRunner.runner.setQueueSize(poolSize);
// <AMType, Class> map
@ -283,7 +288,8 @@ public class SLSRunner extends Configured implements Tool {
rm.start();
}
private void startNM() throws YarnException, IOException {
private void startNM() throws YarnException, IOException,
InterruptedException {
// nm configuration
int heartbeatInterval = getConf().getInt(
SLSConfiguration.NM_HEARTBEAT_INTERVAL_MS,
@ -333,21 +339,36 @@ public class SLSRunner extends Configured implements Tool {
// create NM simulators
Random random = new Random();
Set<String> rackSet = new HashSet<String>();
Set<String> rackSet = new ConcurrentHashSet<>();
int threadPoolSize = Math.max(poolSize,
SLSConfiguration.RUNNER_POOL_SIZE_DEFAULT);
ExecutorService executorService = Executors.
newFixedThreadPool(threadPoolSize);
for (Map.Entry<String, Resource> entry : nodeResourceMap.entrySet()) {
// we randomize the heartbeat start time from zero to 1 interval
NMSimulator nm = new NMSimulator();
Resource nmResource = nodeManagerResource;
String hostName = entry.getKey();
if (entry.getValue() != null) {
nmResource = entry.getValue();
}
nm.init(hostName, nmResource, random.nextInt(heartbeatInterval),
heartbeatInterval, rm, resourceUtilizationRatio);
nmMap.put(nm.getNode().getNodeID(), nm);
runner.schedule(nm);
rackSet.add(nm.getNode().getRackName());
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 = entry.getKey();
if (entry.getValue() != null) {
nmResource = entry.getValue();
}
nm.init(hostName, nmResource,
random.nextInt(heartbeatInterval),
heartbeatInterval, rm, resourceUtilizationRatio);
nmMap.put(nm.getNode().getNodeID(), nm);
runner.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();
}
@ -839,7 +860,7 @@ public class SLSRunner extends Configured implements Tool {
(long)(Math.ceil(maxRuntime / 1000.0)));
}
public HashMap<NodeId, NMSimulator> getNmMap() {
public Map<NodeId, NMSimulator> getNmMap() {
return nmMap;
}