public class ScriptBasedNodeLabelsProvider extends NodeLabelsProvider
Modifier and Type | Field and Description |
---|---|
static String |
NODE_LABEL_PARTITION_PATTERN
Pattern used for searching in the output of the node labels script
|
DISABLE_NODE_DESCRIPTORS_PROVIDER_FETCH_TIMER, readLock, timerTask, writeLock
Constructor and Description |
---|
ScriptBasedNodeLabelsProvider() |
Modifier and Type | Method and Description |
---|---|
void |
cleanUp()
Method used to terminate the Node Labels Fetch script.
|
TimerTask |
createTimerTask()
Creates a timer task which be scheduled periodically by the provider,
and the task is responsible to update node descriptors to the provider.
|
protected void |
serviceInit(org.apache.hadoop.conf.Configuration conf) |
getDescriptors, getIntervalTime, getScheduler, serviceStart, serviceStop, setDescriptors, setIntervalTime, verifyConfiguredScript
close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop
public static final String NODE_LABEL_PARTITION_PATTERN
protected void serviceInit(org.apache.hadoop.conf.Configuration conf) throws Exception
serviceInit
in class AbstractNodeDescriptorsProvider<org.apache.hadoop.yarn.api.records.NodeLabel>
Exception
public void cleanUp()
cleanUp
in class AbstractNodeDescriptorsProvider<org.apache.hadoop.yarn.api.records.NodeLabel>
public TimerTask createTimerTask()
AbstractNodeDescriptorsProvider
createTimerTask
in class AbstractNodeDescriptorsProvider<org.apache.hadoop.yarn.api.records.NodeLabel>
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