@InterfaceAudience.Public @InterfaceStability.Unstable public class HistoryFileManager extends AbstractService
Modifier and Type | Class and Description |
---|---|
class |
HistoryFileManager.HistoryFileInfo |
Service.STATE
Modifier and Type | Field and Description |
---|---|
protected org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager.JobListCache |
jobListCache |
protected ThreadPoolExecutor |
moveToDoneExecutor |
Constructor and Description |
---|
HistoryFileManager() |
Modifier and Type | Method and Description |
---|---|
Collection<HistoryFileManager.HistoryFileInfo> |
getAllFileInfo() |
HistoryFileManager.HistoryFileInfo |
getFileInfo(JobId jobId) |
protected void |
serviceInit(Configuration conf)
All initialization code needed by a service.
|
void |
serviceStop()
Actions called during the transition to the STOPPED state.
|
protected void |
setMaxHistoryAge(long newValue) |
close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceStart, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop
protected org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager.JobListCache jobListCache
protected ThreadPoolExecutor moveToDoneExecutor
protected void serviceInit(Configuration conf) throws Exception
AbstractService
AbstractService.init(Configuration)
prevents re-entrancy.
The base implementation checks to see if the subclass has created
a new configuration instance, and if so, updates the base class valueserviceInit
in class AbstractService
conf
- configurationException
- on a failure -these will be caught,
possibly wrapped, and wil; trigger a service stoppublic void serviceStop() throws Exception
AbstractService
AbstractService.stop()
prevents re-entrancy.
Implementations MUST write this to be robust against failures, including
checks for null references -and for the first failure to not stop other
attempts to shut down parts of the service.serviceStop
in class AbstractService
Exception
- if needed -these will be caught and logged.public Collection<HistoryFileManager.HistoryFileInfo> getAllFileInfo() throws IOException
IOException
public HistoryFileManager.HistoryFileInfo getFileInfo(JobId jobId) throws IOException
IOException
protected void setMaxHistoryAge(long newValue)
Copyright © 2013 Apache Software Foundation. All rights reserved.