public static class JobHistory.Task extends Object
构造器和说明 |
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JobHistory.Task() |
限定符和类型 | 方法和说明 |
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String |
get(JobHistory.Keys k)
Get 'String' value for given key.
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int |
getInt(JobHistory.Keys k)
Convert value from history to int and return.
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long |
getLong(JobHistory.Keys k)
Convert value from history to int and return.
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Map<String,JobHistory.TaskAttempt> |
getTaskAttempts()
Returns all task attempts for this task.
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Map<JobHistory.Keys,String> |
getValues()
Returns Map containing all key-values.
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void |
handle(Map<JobHistory.Keys,String> values)
Reads values back from the history, input is same Map as passed to Listener by parseHistory().
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static void |
logFailed(TaskID taskId,
String taskType,
long time,
String error)
Log job failed event.
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static void |
logFailed(TaskID taskId,
String taskType,
long time,
String error,
TaskAttemptID failedDueToAttempt) |
static void |
logFinished(TaskID taskId,
String taskType,
long finishTime,
Counters counters)
Log finish time of task.
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static void |
logStarted(TaskID taskId,
String taskType,
long startTime,
String splitLocations)
Log start time of task (TIP).
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static void |
logUpdates(TaskID taskId,
long finishTime)
Update the finish time of task.
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void |
set(JobHistory.Keys k,
String s)
Set value for the key.
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void |
set(Map<JobHistory.Keys,String> m)
Adds all values in the Map argument to its own values.
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public static void logStarted(TaskID taskId, String taskType, long startTime, String splitLocations)
taskId
- task idtaskType
- MAP or REDUCEstartTime
- startTime of tip.public static void logFinished(TaskID taskId, String taskType, long finishTime, Counters counters)
taskId
- task idtaskType
- MAP or REDUCEfinishTime
- finish timeof task in mspublic static void logUpdates(TaskID taskId, long finishTime)
taskId
- task idfinishTime
- finish time of task in mspublic static void logFailed(TaskID taskId, String taskType, long time, String error)
taskId
- task idtaskType
- MAP or REDUCE.time
- timestamp when job failed detected.error
- error message for failure.public static void logFailed(TaskID taskId, String taskType, long time, String error, TaskAttemptID failedDueToAttempt)
failedDueToAttempt
- The attempt that caused the failure, if anypublic Map<String,JobHistory.TaskAttempt> getTaskAttempts()
public String get(JobHistory.Keys k)
k
- public int getInt(JobHistory.Keys k)
k
- keypublic long getLong(JobHistory.Keys k)
k
- public void set(JobHistory.Keys k, String s)
k
- s
- public void set(Map<JobHistory.Keys,String> m)
m
- public void handle(Map<JobHistory.Keys,String> values)
values
- public Map<JobHistory.Keys,String> getValues()
Copyright © 2009 The Apache Software Foundation