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YARN-9644. First RMContext object is always leaked during switch over. Contributed by Bibin A Chundatt.

This commit is contained in:
Sunil G 2019-07-02 12:18:16 +05:30
parent 0c8813f135
commit e966edd025
2 changed files with 16 additions and 6 deletions
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11
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMNMInfo.java
View File

@ -25,6 +25,7 @@ import java.util.LinkedHashMap;
import java.util.List;
import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;
import javax.management.StandardMBean;
import org.slf4j.Logger;
@ -43,6 +44,7 @@ public class RMNMInfo implements RMNMInfoBeans {
LoggerFactory.getLogger(RMNMInfo.class);
private RMContext rmContext;
private ResourceScheduler scheduler;
private ObjectName mbeanObjectName;
/**
* Constructor for RMNMInfo registers the bean with JMX.
@ -56,14 +58,17 @@ public class RMNMInfo implements RMNMInfoBeans {
StandardMBean bean;
try {
bean = new StandardMBean(this,RMNMInfoBeans.class);
MBeans.register("ResourceManager", "RMNMInfo", bean);
bean = new StandardMBean(this, RMNMInfoBeans.class);
mbeanObjectName = MBeans.register("ResourceManager", "RMNMInfo", bean);
} catch (NotCompliantMBeanException e) {
LOG.warn("Error registering RMNMInfo MBean", e);
LOG.warn("Error registering RMNMInfo MBean", e);
}
LOG.info("Registered RMNMInfo MBean");
}
public void unregister() {
MBeans.unregister(mbeanObjectName);
}
static class InfoMap extends LinkedHashMap<String, Object> {
private static final long serialVersionUID = 1L;

11
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
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@ -641,6 +641,7 @@ public class ResourceManager extends CompositeService
private ResourceManager rm;
private boolean fromActive = false;
private StandByTransitionRunnable standByTransitionRunnable;
private RMNMInfo rmnmInfo;
RMActiveServices(ResourceManager rm) {
super("RMActiveServices");
@ -845,7 +846,7 @@ public class ResourceManager extends CompositeService
addService(proxyCAManager);
rmContext.setProxyCAManager(proxyCAManager);
new RMNMInfo(rmContext, scheduler);
rmnmInfo = new RMNMInfo(rmContext, scheduler);
if (conf.getBoolean(YarnConfiguration.YARN_API_SERVICES_ENABLE,
false)) {
@ -924,6 +925,10 @@ public class ResourceManager extends CompositeService
super.serviceStop();
DefaultMetricsSystem.shutdown();
// unregister rmnmInfo bean
if (rmnmInfo != null) {
rmnmInfo.unregister();
}
if (rmContext != null) {
RMStateStore store = rmContext.getStateStore();
try {
@ -1182,9 +1187,9 @@ public class ResourceManager extends CompositeService
params.put("com.sun.jersey.config.property.packages", apiPackages);
}
Builder<ApplicationMasterService> builder =
Builder<ResourceManager> builder =
WebApps
.$for("cluster", ApplicationMasterService.class, masterService,
.$for("cluster", ResourceManager.class, this,
"ws")
.with(conf)
.withServlet("API-Service", "/app/*",