/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
numActiveTrackers = @in.ReadInt();
int numTrackerNames = @in.ReadInt();
if (numTrackerNames > 0)
{
for (int i = 0; i < numTrackerNames; i++)
{
string name = StringInterner.WeakIntern(Org.Apache.Hadoop.IO.Text.ReadString(@in)
);
activeTrackers.AddItem(name);
}
}
numBlacklistedTrackers = @in.ReadInt();
int blackListTrackerInfoSize = @in.ReadInt();
if (blackListTrackerInfoSize > 0)
{
for (int i = 0; i < blackListTrackerInfoSize; i++)
{
ClusterStatus.BlackListInfo info = new ClusterStatus.BlackListInfo();
info.ReadFields(@in);
blacklistedTrackersInfo.AddItem(info);
}
}
numExcludedNodes = @in.ReadInt();
ttExpiryInterval = @in.ReadLong();
map_tasks = @in.ReadInt();
reduce_tasks = @in.ReadInt();
max_map_tasks = @in.ReadInt();
max_reduce_tasks = @in.ReadInt();
status = WritableUtils.ReadEnum <Cluster.JobTrackerStatus>(@in);
grayListedTrackers = @in.ReadInt();
}
/// <summary>Construct a new cluster status.</summary>
/// <param name="activeTrackers">active tasktrackers in the cluster</param>
/// <param name="blacklistedTrackers">blacklisted tasktrackers in the cluster</param>
/// <param name="ttExpiryInterval">the tasktracker expiry interval</param>
/// <param name="maps">no. of currently running map-tasks in the cluster</param>
/// <param name="reduces">no. of currently running reduce-tasks in the cluster</param>
/// <param name="maxMaps">the maximum no. of map tasks in the cluster</param>
/// <param name="maxReduces">the maximum no. of reduce tasks in the cluster</param>
/// <param name="status">
/// the
/// <see cref="Org.Apache.Hadoop.Mapreduce.Cluster.JobTrackerStatus"/>
/// of the <code>JobTracker</code>
/// </param>
internal ClusterStatus(ICollection <string> activeTrackers, ICollection <ClusterStatus.BlackListInfo
> blacklistedTrackers, long ttExpiryInterval, int maps, int reduces, int maxMaps
, int maxReduces, Cluster.JobTrackerStatus status)
: this(activeTrackers, blacklistedTrackers, ttExpiryInterval, maps, reduces, maxMaps
, maxReduces, status, 0)
{
}
/// <summary>Construct a new cluster status.</summary>
/// <param name="trackers">no. of tasktrackers in the cluster</param>
/// <param name="blacklists">no of blacklisted task trackers in the cluster</param>
/// <param name="ttExpiryInterval">the tasktracker expiry interval</param>
/// <param name="maps">no. of currently running map-tasks in the cluster</param>
/// <param name="reduces">no. of currently running reduce-tasks in the cluster</param>
/// <param name="maxMaps">the maximum no. of map tasks in the cluster</param>
/// <param name="maxReduces">the maximum no. of reduce tasks in the cluster</param>
/// <param name="status">
/// the
/// <see cref="Org.Apache.Hadoop.Mapreduce.Cluster.JobTrackerStatus"/>
/// of the <code>JobTracker</code>
/// </param>
/// <param name="numDecommissionedNodes">number of decommission trackers</param>
internal ClusterStatus(int trackers, int blacklists, long ttExpiryInterval, int maps
, int reduces, int maxMaps, int maxReduces, Cluster.JobTrackerStatus status, int
numDecommissionedNodes)
: this(trackers, blacklists, ttExpiryInterval, maps, reduces, maxMaps, maxReduces
, status, numDecommissionedNodes, 0)
{
}
/// <summary>Construct a new cluster status.</summary>
/// <param name="activeTrackers">active tasktrackers in the cluster</param>
/// <param name="blackListedTrackerInfo">
/// blacklisted tasktrackers information
/// in the cluster
/// </param>
/// <param name="ttExpiryInterval">the tasktracker expiry interval</param>
/// <param name="maps">no. of currently running map-tasks in the cluster</param>
/// <param name="reduces">no. of currently running reduce-tasks in the cluster</param>
/// <param name="maxMaps">the maximum no. of map tasks in the cluster</param>
/// <param name="maxReduces">the maximum no. of reduce tasks in the cluster</param>
/// <param name="status">
/// the
/// <see cref="Org.Apache.Hadoop.Mapreduce.Cluster.JobTrackerStatus"/>
/// of the <code>JobTracker</code>
/// </param>
/// <param name="numDecommissionNodes">number of decommission trackers</param>
internal ClusterStatus(ICollection <string> activeTrackers, ICollection <ClusterStatus.BlackListInfo
> blackListedTrackerInfo, long ttExpiryInterval, int maps, int reduces, int maxMaps
, int maxReduces, Cluster.JobTrackerStatus status, int numDecommissionNodes)
: this(activeTrackers.Count, blackListedTrackerInfo.Count, ttExpiryInterval, maps
, reduces, maxMaps, maxReduces, status, numDecommissionNodes)
{
this.activeTrackers = activeTrackers;
this.blacklistedTrackersInfo = blackListedTrackerInfo;
}
/// <summary>Construct a new cluster status.</summary>
/// <param name="trackers">no. of tasktrackers in the cluster</param>
/// <param name="blacklists">no of blacklisted task trackers in the cluster</param>
/// <param name="ttExpiryInterval">the tasktracker expiry interval</param>
/// <param name="maps">no. of currently running map-tasks in the cluster</param>
/// <param name="reduces">no. of currently running reduce-tasks in the cluster</param>
/// <param name="maxMaps">the maximum no. of map tasks in the cluster</param>
/// <param name="maxReduces">the maximum no. of reduce tasks in the cluster</param>
/// <param name="status">
/// the
/// <see cref="Org.Apache.Hadoop.Mapreduce.Cluster.JobTrackerStatus"/>
/// of the <code>JobTracker</code>
/// </param>
/// <param name="numDecommissionedNodes">number of decommission trackers</param>
/// <param name="numGrayListedTrackers">number of graylisted trackers</param>
internal ClusterStatus(int trackers, int blacklists, long ttExpiryInterval, int maps
, int reduces, int maxMaps, int maxReduces, Cluster.JobTrackerStatus status, int
numDecommissionedNodes, int numGrayListedTrackers)
{
numActiveTrackers = trackers;
numBlacklistedTrackers = blacklists;
this.numExcludedNodes = numDecommissionedNodes;
this.ttExpiryInterval = ttExpiryInterval;
map_tasks = maps;
reduce_tasks = reduces;
max_map_tasks = maxMaps;
max_reduce_tasks = maxReduces;
this.status = status;
this.grayListedTrackers = numGrayListedTrackers;
}
