List<ResourceRequest> ask = request.getAskList();
List<ContainerId> release = request.getReleaseList();
// Send new requests to appAttempt.
Allocation allocation =
this.rScheduler.allocate(appAttemptId, ask, release);
RMApp app = this.rmContext.getRMApps().get(appAttemptId.getApplicationId());
RMAppAttempt appAttempt = app.getRMAppAttempt(appAttemptId);
AMResponse response = recordFactory.newRecordInstance(AMResponse.class);
// update the response with the deltas of node status changes
List<RMNode> updatedNodes = new ArrayList<RMNode>();
if(app.pullRMNodeUpdates(updatedNodes) > 0) {
List<NodeReport> updatedNodeReports = new ArrayList<NodeReport>();
for(RMNode rmNode: updatedNodes) {
SchedulerNodeReport schedulerNodeReport =
rScheduler.getNodeReport(rmNode.getNodeID());
Resource used = BuilderUtils.newResource(0);
int numContainers = 0;
if (schedulerNodeReport != null) {
used = schedulerNodeReport.getUsedResource();
numContainers = schedulerNodeReport.getNumContainers();
}
NodeReport report = BuilderUtils.newNodeReport(rmNode.getNodeID(),
rmNode.getState(),
rmNode.getHttpAddress(), rmNode.getRackName(), used,
rmNode.getTotalCapability(), numContainers,
rmNode.getNodeHealthStatus());
updatedNodeReports.add(report);
}
response.setUpdatedNodes(updatedNodeReports);
}
response.setAllocatedContainers(allocation.getContainers());
response.setCompletedContainersStatuses(appAttempt
.pullJustFinishedContainers());
response.setResponseId(lastResponse.getResponseId() + 1);
response.setAvailableResources(allocation.getResourceLimit());
responseMap.put(appAttemptId, response);
allocateResponse.setAMResponse(response);
allocateResponse.setNumClusterNodes(this.rScheduler.getNumClusterNodes());
return allocateResponse;
}