/// <exception cref="System.IO.IOException"/>
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
public virtual void RefreshNodes(Configuration yarnConf)
{
lock (hostsReader)
{
if (null == yarnConf)
{
yarnConf = new YarnConfiguration();
}
includesFile = yarnConf.Get(YarnConfiguration.RmNodesIncludeFilePath, YarnConfiguration
.DefaultRmNodesIncludeFilePath);
excludesFile = yarnConf.Get(YarnConfiguration.RmNodesExcludeFilePath, YarnConfiguration
.DefaultRmNodesExcludeFilePath);
hostsReader.UpdateFileNames(includesFile, excludesFile);
hostsReader.Refresh(includesFile.IsEmpty() ? null : this.rmContext.GetConfigurationProvider
().GetConfigurationInputStream(this.conf, includesFile), excludesFile.IsEmpty() ?
null : this.rmContext.GetConfigurationProvider().GetConfigurationInputStream(this
.conf, excludesFile));
PrintConfiguredHosts();
}
foreach (NodeId nodeId in rmContext.GetRMNodes().Keys)
{
if (!IsValidNode(nodeId.GetHost()))
{
this.rmContext.GetDispatcher().GetEventHandler().Handle(new RMNodeEvent(nodeId, RMNodeEventType
.Decommission));
}
}
}
