Uses of Class org.apache.hadoop.mapred.TaskTrackerStatus (Hadoop 0.20.1+169.127 API)
Date: 2011-01-16

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## Uses of Class
org.apache.hadoop.mapred.TaskTrackerStatus

Packages that use TaskTrackerStatus
org.apache.hadoop.mapred | A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner.

Uses of TaskTrackerStatus in org.apache.hadoop.mapred

Methods in org.apache.hadoop.mapred that return TaskTrackerStatus
`TaskTrackerStatus` | `JobTracker.getTaskTracker(String trackerID)`

Methods in org.apache.hadoop.mapred that return types with arguments of type TaskTrackerStatus
`Collection<TaskTrackerStatus>` | `JobTracker.activeTaskTrackers()` Get the active task tracker statuses in the cluster
`Collection<TaskTrackerStatus>` | `JobTracker.blacklistedTaskTrackers()` Get the blacklisted task tracker statuses in the cluster
`Collection<TaskTrackerStatus>` | `JobTracker.taskTrackers()` Get all the task trackers in the cluster

Methods in org.apache.hadoop.mapred with parameters of type TaskTrackerStatus
`org.apache.hadoop.mapred.HeartbeatResponse` | `JobTracker.heartbeat(TaskTrackerStatus status, boolean restarted, boolean initialContact, boolean acceptNewTasks, short responseId)` The periodic heartbeat mechanism between the `TaskTracker` and the `JobTracker`.
`org.apache.hadoop.mapred.Task` | `JobInProgress.obtainJobCleanupTask(TaskTrackerStatus tts, int clusterSize, int numUniqueHosts, boolean isMapSlot)` Return a CleanupTask, if appropriate, to run on the given tasktracker
`org.apache.hadoop.mapred.Task` | `JobInProgress.obtainJobSetupTask(TaskTrackerStatus tts, int clusterSize, int numUniqueHosts, boolean isMapSlot)` Return a SetupTask, if appropriate, to run on the given tasktracker
`org.apache.hadoop.mapred.Task` | `JobInProgress.obtainNewLocalMapTask(TaskTrackerStatus tts, int clusterSize, int numUniqueHosts)`
`org.apache.hadoop.mapred.Task` | `JobInProgress.obtainNewMapTask(TaskTrackerStatus tts, int clusterSize, int numUniqueHosts)` Return a MapTask, if appropriate, to run on the given tasktracker
`org.apache.hadoop.mapred.Task` | `JobInProgress.obtainNewNonLocalMapTask(TaskTrackerStatus tts, int clusterSize, int numUniqueHosts)`
`org.apache.hadoop.mapred.Task` | `JobInProgress.obtainNewReduceTask(TaskTrackerStatus tts, int clusterSize, int numUniqueHosts)` Return a ReduceTask, if appropriate, to run on the given tasktracker.
`org.apache.hadoop.mapred.Task` | `JobInProgress.obtainTaskCleanupTask(TaskTrackerStatus tts, boolean isMapSlot)`

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