@InterfaceAudience.Public
@InterfaceStability.Unstable
public class AllocationFileLoaderService
extends org.apache.hadoop.service.AbstractService
| Modifier and Type | Class and Description |
|---|---|
static interface |
AllocationFileLoaderService.Listener |
| Modifier and Type | Field and Description |
|---|---|
static long |
ALLOC_RELOAD_INTERVAL_MS
Time to wait between checks of the allocation file
|
static long |
ALLOC_RELOAD_WAIT_MS
Time to wait after the allocation has been modified before reloading it
(this is done to prevent loading a file that hasn't been fully written).
|
static org.slf4j.Logger |
LOG |
static long |
THREAD_JOIN_TIMEOUT_MS |
| Constructor and Description |
|---|
AllocationFileLoaderService() |
AllocationFileLoaderService(org.apache.hadoop.yarn.util.Clock clock) |
| Modifier and Type | Method and Description |
|---|---|
protected List<org.apache.hadoop.yarn.security.Permission> |
getDefaultPermissions()
Returns the list of default permissions.
|
void |
reloadAllocations()
Updates the allocation list from the allocation config file.
|
void |
serviceInit(org.apache.hadoop.conf.Configuration conf) |
void |
serviceStart() |
void |
serviceStop() |
void |
setReloadListener(AllocationFileLoaderService.Listener reloadListener) |
close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStoppublic static final org.slf4j.Logger LOG
public static final long ALLOC_RELOAD_INTERVAL_MS
public static final long ALLOC_RELOAD_WAIT_MS
public static final long THREAD_JOIN_TIMEOUT_MS
public AllocationFileLoaderService()
public AllocationFileLoaderService(org.apache.hadoop.yarn.util.Clock clock)
public void serviceInit(org.apache.hadoop.conf.Configuration conf)
throws Exception
serviceInit in class org.apache.hadoop.service.AbstractServiceExceptionpublic void serviceStart()
throws Exception
serviceStart in class org.apache.hadoop.service.AbstractServiceExceptionpublic void serviceStop()
throws Exception
serviceStop in class org.apache.hadoop.service.AbstractServiceExceptionpublic void setReloadListener(AllocationFileLoaderService.Listener reloadListener)
public void reloadAllocations()
throws IOException,
ParserConfigurationException,
SAXException,
AllocationConfigurationException
IOException - if the config file cannot be read.AllocationConfigurationException - if allocations are invalid.ParserConfigurationException - if XML parser is misconfigured.SAXException - if config file is malformed.protected List<org.apache.hadoop.yarn.security.Permission> getDefaultPermissions()
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