@InterfaceAudience.Private @InterfaceStability.Unstable public class DefaultPlacementRule extends FSPlacementRule
| Modifier and Type | Field and Description |
|---|---|
String |
defaultQueueName |
createQueue| Constructor and Description |
|---|
DefaultPlacementRule() |
| Modifier and Type | Method and Description |
|---|---|
ApplicationPlacementContext |
getPlacementForApp(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext asc,
String user)
Return the scheduler queue name the application should be placed in
wrapped in an
ApplicationPlacementContext object. |
boolean |
initialize(ResourceScheduler scheduler)
Standard initialisation for
FairScheduler rules, shared by all
rules. |
void |
setConfig(Boolean create)
Set the rule config just setting the create flag.
|
void |
setConfig(Element conf)
Set the rule config from the xml config.
|
getCreateFlag, getParentRule, setConfig, setParentRulegetNamepublic String defaultQueueName
public void setConfig(Element conf)
setConfig in class FSPlacementRuleconf - An xml element from the FairScheduler.confpublic void setConfig(Boolean create)
setConfig in class FSPlacementRulecreate - flag to allow queue creation for this rulepublic boolean initialize(ResourceScheduler scheduler) throws IOException
FSPlacementRuleFairScheduler rules, shared by all
rules. Each rule that extends this abstract and overrides this method must
call super.initialize() to run this basic initialisation.initialize in class FSPlacementRulescheduler - the scheduler using the ruletrue in all casesIOException - for any errorspublic ApplicationPlacementContext getPlacementForApp(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext asc, String user)
PlacementRuleApplicationPlacementContext object.
A non null return value places the application in a queue,
a null value means the queue is not yet determined. The
next PlacementRule in the list maintained in the
PlacementManager will be executed.getPlacementForApp in class PlacementRuleasc - The context of the application created on submissionuser - The name of the user submitting the applicationApplicationPlacementContext or
null if no queue was resolvedCopyright © 2008–2023 Apache Software Foundation. All rights reserved.