/// <summary>
/// Utilization/ClusterUtilization.
/// </summary>
/// <param name="id">The unique identifier of the <see cref="Cluster"/>.</param>
/// <returns>A <see cref="ViewResult"/> object of the <see cref="Cluster"/> with the specified id.</returns>
public ActionResult ClusterUtilization(uint id)
{
var cluster = this.db.Clusters
.Include(c => c.Nodes)
.First(c => c.Id == id);
if (cluster == null)
{
return(this.NotFound());
}
var result = new ClusterSummary()
{
Cluster = cluster,
NodeSummaries = new List <NodeSummary>(),
};
// Since Utilization and Power statistics are already indexed by Timestamp, retreiving
// the most recent n-entries is very efficient. Scanning them in-memory to find the most
// recent for each node ID is faster than taking round-trips the database.
var searchDepth = cluster.Nodes.Count * 5;
var recentPowerAll = this.db.PowerData
.OrderByDescending(e => e.Timestamp)
.Take(searchDepth)
.ToList();
var recentUtilizationAll = this.db.UtilizationData
.OrderByDescending(e => e.TimeStamp)
.Take(searchDepth)
.ToList();
foreach (var node in cluster.Nodes)
{
result.NodeSummaries.Add(new NodeSummary()
{
Node = node,
Id = node.Id,
RecentPower = recentPowerAll.First(e => e.GlobalNodeId == node.GlobalId),
RecentUtilization = recentUtilizationAll.First(e => e.GlobalNodeId == node.GlobalId),
});
}
if (cluster.Nodes.Count() < 1)
{
return(this.RedirectToAction("Error", "Home"));
}
this.ViewData["ReportingInterval"] = (uint)cluster.RefreshRate.TotalSeconds;
this.ViewData["LastUpdated"] = DateTime.Now;
return(this.View(result));
}
public void Read (TProtocol iprot)
{
TField field;
iprot.ReadStructBegin();
while (true)
{
field = iprot.ReadFieldBegin();
if (field.Type == TType.Stop) {
break;
}
switch (field.ID)
{
case 0:
if (field.Type == TType.Struct) {
Success = new ClusterSummary();
Success.Read(iprot);
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 1:
if (field.Type == TType.Struct) {
Aze = new AuthorizationException();
Aze.Read(iprot);
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
default:
TProtocolUtil.Skip(iprot, field.Type);
break;
}
iprot.ReadFieldEnd();
}
iprot.ReadStructEnd();
}
