/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
public override YarnClusterMetrics GetYarnClusterMetrics()
{
GetClusterMetricsRequest request = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <
GetClusterMetricsRequest>();
GetClusterMetricsResponse response = rmClient.GetClusterMetrics(request);
return(response.GetClusterMetrics());
}
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
public override GetClusterMetricsResponse GetClusterMetrics(GetClusterMetricsRequest
request)
{
this._enclosing.ResetStartFailoverFlag(true);
// make sure failover has been triggered
NUnit.Framework.Assert.IsTrue(this._enclosing.WaittingForFailOver());
// create GetClusterMetricsResponse with fake YarnClusterMetrics
GetClusterMetricsResponse response = GetClusterMetricsResponse.NewInstance(this._enclosing
.CreateFakeYarnClusterMetrics());
return(response);
}
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
public virtual GetClusterMetricsResponse GetClusterMetrics(GetClusterMetricsRequest
request)
{
YarnServiceProtos.GetClusterMetricsRequestProto requestProto = ((GetClusterMetricsRequestPBImpl
)request).GetProto();
try
{
return(new GetClusterMetricsResponsePBImpl(proxy.GetClusterMetrics(null, requestProto
)));
}
catch (ServiceException e)
{
RPCUtil.UnwrapAndThrowException(e);
return(null);
}
}
/// <summary>Wait for all the NodeManagers to connect to the ResourceManager.</summary>
/// <param name="timeout">Time to wait (sleeps in 100 ms intervals) in milliseconds.</param>
/// <returns>
/// true if all NodeManagers connect to the (Active)
/// ResourceManager, false otherwise.
/// </returns>
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.Exception"/>
public virtual bool WaitForNodeManagersToConnect(long timeout)
{
GetClusterMetricsRequest req = GetClusterMetricsRequest.NewInstance();
for (int i = 0; i < timeout / 100; i++)
{
ResourceManager rm = GetResourceManager();
if (rm == null)
{
throw new YarnException("Can not find the active RM.");
}
else
{
if (nodeManagers.Length == rm.GetClientRMService().GetClusterMetrics(req).GetClusterMetrics
().GetNumNodeManagers())
{
return(true);
}
}
Sharpen.Thread.Sleep(100);
}
return(false);
}
/// <exception cref="System.IO.IOException"/>
public virtual GetClusterMetricsResponse GetClusterMetrics(GetClusterMetricsRequest
request)
{
return(null);
}