public abstract class PreemptionCandidatesSelector extends Object
Modifier and Type | Field and Description |
---|---|
protected CapacitySchedulerPreemptionContext |
preemptionContext |
protected org.apache.hadoop.yarn.util.resource.ResourceCalculator |
rc |
Modifier and Type | Method and Description |
---|---|
long |
getMaximumKillWaitTimeMs() |
abstract Map<org.apache.hadoop.yarn.api.records.ApplicationAttemptId,Set<RMContainer>> |
selectCandidates(Map<org.apache.hadoop.yarn.api.records.ApplicationAttemptId,Set<RMContainer>> selectedCandidates,
org.apache.hadoop.yarn.api.records.Resource clusterResource,
org.apache.hadoop.yarn.api.records.Resource totalPreemptedResourceAllowed)
Get preemption candidates from computed resource sharing and already
selected candidates.
|
void |
setMaximumKillWaitTime(long maximumKillWaitTime) |
protected CapacitySchedulerPreemptionContext preemptionContext
protected org.apache.hadoop.yarn.util.resource.ResourceCalculator rc
public abstract Map<org.apache.hadoop.yarn.api.records.ApplicationAttemptId,Set<RMContainer>> selectCandidates(Map<org.apache.hadoop.yarn.api.records.ApplicationAttemptId,Set<RMContainer>> selectedCandidates, org.apache.hadoop.yarn.api.records.Resource clusterResource, org.apache.hadoop.yarn.api.records.Resource totalPreemptedResourceAllowed)
selectedCandidates
- already selected candidates from previous policiesclusterResource
- total resourcetotalPreemptedResourceAllowed
- how many resources allowed to be
preempted in this round. Should be
updated(in-place set) after the callpublic long getMaximumKillWaitTimeMs()
public void setMaximumKillWaitTime(long maximumKillWaitTime)
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