public abstract class PlanningAlgorithm extends Object implements ReservationAgent
DEFAULT_GREEDY_FAVOR_EARLY_ALLOCATION, FAVOR_EARLY_ALLOCATION| Constructor and Description |
|---|
PlanningAlgorithm() |
| Modifier and Type | Method and Description |
|---|---|
protected boolean |
allocateUser(org.apache.hadoop.yarn.api.records.ReservationId reservationId,
String user,
Plan plan,
org.apache.hadoop.yarn.api.records.ReservationDefinition contract,
ReservationAllocation oldReservation)
Performs the actual allocation for a ReservationDefinition within a Plan.
|
abstract RLESparseResourceAllocation |
computeJobAllocation(Plan plan,
org.apache.hadoop.yarn.api.records.ReservationId reservationId,
org.apache.hadoop.yarn.api.records.ReservationDefinition reservation,
String user) |
boolean |
createReservation(org.apache.hadoop.yarn.api.records.ReservationId reservationId,
String user,
Plan plan,
org.apache.hadoop.yarn.api.records.ReservationDefinition contract)
Create a reservation for the user that abides by the specified contract
|
boolean |
deleteReservation(org.apache.hadoop.yarn.api.records.ReservationId reservationId,
String user,
Plan plan)
Delete an user reservation
|
protected static long |
findEarliestTime(Map<ReservationInterval,org.apache.hadoop.yarn.api.records.Resource> sesInt) |
protected static long |
findLatestTime(Map<ReservationInterval,org.apache.hadoop.yarn.api.records.Resource> sesInt) |
void |
init(org.apache.hadoop.conf.Configuration conf)
Init configuration.
|
protected static long |
stepRoundDown(long t,
long step) |
protected static long |
stepRoundUp(long t,
long step) |
boolean |
updateReservation(org.apache.hadoop.yarn.api.records.ReservationId reservationId,
String user,
Plan plan,
org.apache.hadoop.yarn.api.records.ReservationDefinition contract)
Update a reservation for the user that abides by the specified contract
|
protected boolean allocateUser(org.apache.hadoop.yarn.api.records.ReservationId reservationId,
String user,
Plan plan,
org.apache.hadoop.yarn.api.records.ReservationDefinition contract,
ReservationAllocation oldReservation)
throws PlanningException,
ContractValidationException
reservationId - the identifier of the reservationuser - the user who owns the reservationplan - the Plan to which the reservation must be fittedcontract - encapsulates the resources required by the user for his
sessionoldReservation - the existing reservation (null if none)PlanningException - if the session cannot be fitted into the planContractValidationException - if validation failspublic abstract RLESparseResourceAllocation computeJobAllocation(Plan plan, org.apache.hadoop.yarn.api.records.ReservationId reservationId, org.apache.hadoop.yarn.api.records.ReservationDefinition reservation, String user) throws PlanningException, ContractValidationException
public boolean createReservation(org.apache.hadoop.yarn.api.records.ReservationId reservationId,
String user,
Plan plan,
org.apache.hadoop.yarn.api.records.ReservationDefinition contract)
throws PlanningException
ReservationAgentcreateReservation in interface ReservationAgentreservationId - the identifier of the reservation to be created.user - the user who wants to create the reservationplan - the Plan to which the reservation must be fittedcontract - encapsulates the resources the user requires for his
sessionPlanningException - if the session cannot be fitted into the planpublic boolean updateReservation(org.apache.hadoop.yarn.api.records.ReservationId reservationId,
String user,
Plan plan,
org.apache.hadoop.yarn.api.records.ReservationDefinition contract)
throws PlanningException
ReservationAgentupdateReservation in interface ReservationAgentreservationId - the identifier of the reservation to be updateduser - the user who wants to create the sessionplan - the Plan to which the reservation must be fittedcontract - encapsulates the resources the user requires for his
reservationPlanningException - if the reservation cannot be fitted into the planpublic boolean deleteReservation(org.apache.hadoop.yarn.api.records.ReservationId reservationId,
String user,
Plan plan)
throws PlanningException
ReservationAgentdeleteReservation in interface ReservationAgentreservationId - the identifier of the reservation to be deleteduser - the user who wants to create the reservationplan - the Plan to which the session must be fittedPlanningException - if the reservation cannot be fitted into the planprotected static long findEarliestTime(Map<ReservationInterval,org.apache.hadoop.yarn.api.records.Resource> sesInt)
protected static long findLatestTime(Map<ReservationInterval,org.apache.hadoop.yarn.api.records.Resource> sesInt)
protected static long stepRoundDown(long t,
long step)
protected static long stepRoundUp(long t,
long step)
public void init(org.apache.hadoop.conf.Configuration conf)
ReservationAgentinit in interface ReservationAgentconf - ConfigurationCopyright © 2022 Apache Software Foundation. All rights reserved.