use of org.apache.hyracks.api.dataflow.ActivityId in project asterixdb by apache.
the class JobActivityGraphBuilder method addActivity.
@Override
public void addActivity(IOperatorDescriptor op, IActivity task) {
activityOperatorMap.put(task.getActivityId(), op);
ActivityId activityId = task.getActivityId();
jag.getActivityMap().put(activityId, task);
}
use of org.apache.hyracks.api.dataflow.ActivityId in project asterixdb by apache.
the class ActivityClusterGraphBuilder method findMergePair.
private static Pair<ActivityId, ActivityId> findMergePair(JobActivityGraph jag, Set<Set<ActivityId>> eqSets) {
for (Set<ActivityId> eqSet : eqSets) {
for (ActivityId t : eqSet) {
List<IConnectorDescriptor> inputList = jag.getActivityInputMap().get(t);
if (inputList != null) {
for (IConnectorDescriptor conn : inputList) {
ActivityId inTask = jag.getProducerActivity(conn.getConnectorId());
if (!eqSet.contains(inTask)) {
return Pair.<ActivityId, ActivityId>of(t, inTask);
}
}
}
List<IConnectorDescriptor> outputList = jag.getActivityOutputMap().get(t);
if (outputList != null) {
for (IConnectorDescriptor conn : outputList) {
ActivityId outTask = jag.getConsumerActivity(conn.getConnectorId());
if (!eqSet.contains(outTask)) {
return Pair.<ActivityId, ActivityId>of(t, outTask);
}
}
}
}
}
return null;
}
use of org.apache.hyracks.api.dataflow.ActivityId in project asterixdb by apache.
the class ActivityClusterGraphBuilder method inferActivityClusters.
public ActivityClusterGraph inferActivityClusters(JobId jobId, JobActivityGraph jag) {
/*
* Build initial equivalence sets map. We create a map such that for each IOperatorTask, t -> { t }
*/
Map<ActivityId, Set<ActivityId>> stageMap = new HashMap<ActivityId, Set<ActivityId>>();
Set<Set<ActivityId>> stages = new HashSet<Set<ActivityId>>();
for (ActivityId taskId : jag.getActivityMap().keySet()) {
Set<ActivityId> eqSet = new HashSet<ActivityId>();
eqSet.add(taskId);
stageMap.put(taskId, eqSet);
stages.add(eqSet);
}
boolean changed = true;
while (changed) {
changed = false;
Pair<ActivityId, ActivityId> pair = findMergePair(jag, stages);
if (pair != null) {
merge(stageMap, stages, pair.getLeft(), pair.getRight());
changed = true;
}
}
ActivityClusterGraph acg = new ActivityClusterGraph();
Map<ActivityId, ActivityCluster> acMap = new HashMap<ActivityId, ActivityCluster>();
int acCounter = 0;
Map<ActivityId, IActivity> activityNodeMap = jag.getActivityMap();
List<ActivityCluster> acList = new ArrayList<ActivityCluster>();
for (Set<ActivityId> stage : stages) {
ActivityCluster ac = new ActivityCluster(acg, new ActivityClusterId(jobId, acCounter++));
acList.add(ac);
for (ActivityId aid : stage) {
IActivity activity = activityNodeMap.get(aid);
ac.addActivity(activity);
acMap.put(aid, ac);
}
}
for (Set<ActivityId> stage : stages) {
for (ActivityId aid : stage) {
IActivity activity = activityNodeMap.get(aid);
ActivityCluster ac = acMap.get(aid);
List<IConnectorDescriptor> aOutputs = jag.getActivityOutputMap().get(aid);
if (aOutputs == null || aOutputs.isEmpty()) {
ac.addRoot(activity);
} else {
int nActivityOutputs = aOutputs.size();
for (int i = 0; i < nActivityOutputs; ++i) {
IConnectorDescriptor conn = aOutputs.get(i);
ac.addConnector(conn);
Pair<Pair<IActivity, Integer>, Pair<IActivity, Integer>> pcPair = jag.getConnectorActivityMap().get(conn.getConnectorId());
ac.connect(conn, activity, i, pcPair.getRight().getLeft(), pcPair.getRight().getRight(), jag.getConnectorRecordDescriptorMap().get(conn.getConnectorId()));
}
}
}
}
Map<ActivityId, Set<ActivityId>> blocked2BlockerMap = jag.getBlocked2BlockerMap();
for (ActivityCluster s : acList) {
Map<ActivityId, Set<ActivityId>> acBlocked2BlockerMap = s.getBlocked2BlockerMap();
Set<ActivityCluster> blockerStages = new HashSet<ActivityCluster>();
for (ActivityId t : s.getActivityMap().keySet()) {
Set<ActivityId> blockerTasks = blocked2BlockerMap.get(t);
acBlocked2BlockerMap.put(t, blockerTasks);
if (blockerTasks != null) {
for (ActivityId bt : blockerTasks) {
blockerStages.add(acMap.get(bt));
}
}
}
for (ActivityCluster bs : blockerStages) {
s.getDependencies().add(bs);
}
}
acg.addActivityClusters(acList);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(acg.toJSON().asText());
}
return acg;
}
use of org.apache.hyracks.api.dataflow.ActivityId in project asterixdb by apache.
the class SuperActivityOperatorNodePushable method init.
private void init() throws HyracksDataException {
Queue<Pair<Pair<IActivity, Integer>, Pair<IActivity, Integer>>> childQueue = new LinkedList<>();
List<IConnectorDescriptor> outputConnectors;
/*
* Set up the source operators
*/
for (Entry<ActivityId, IActivity> entry : startActivities.entrySet()) {
IOperatorNodePushable opPushable = entry.getValue().createPushRuntime(ctx, recordDescProvider, partition, nPartitions);
operatorNodePushablesBFSOrder.add(opPushable);
operatorNodePushables.put(entry.getKey(), opPushable);
inputArity += opPushable.getInputArity();
outputConnectors = MapUtils.getObject(parent.getActivityOutputMap(), entry.getKey(), Collections.emptyList());
for (IConnectorDescriptor conn : outputConnectors) {
childQueue.add(parent.getConnectorActivityMap().get(conn.getConnectorId()));
}
}
/*
* Using BFS (breadth-first search) to construct to runtime execution DAG...
*/
while (!childQueue.isEmpty()) {
/*
* construct the source to destination information
*/
Pair<Pair<IActivity, Integer>, Pair<IActivity, Integer>> channel = childQueue.poll();
ActivityId sourceId = channel.getLeft().getLeft().getActivityId();
int outputChannel = channel.getLeft().getRight();
ActivityId destId = channel.getRight().getLeft().getActivityId();
int inputChannel = channel.getRight().getRight();
IOperatorNodePushable sourceOp = operatorNodePushables.get(sourceId);
IOperatorNodePushable destOp = operatorNodePushables.get(destId);
if (destOp == null) {
destOp = channel.getRight().getLeft().createPushRuntime(ctx, recordDescProvider, partition, nPartitions);
operatorNodePushablesBFSOrder.add(destOp);
operatorNodePushables.put(destId, destOp);
}
/*
* construct the dataflow connection from a producer to a consumer
*/
sourceOp.setOutputFrameWriter(outputChannel, destOp.getInputFrameWriter(inputChannel), recordDescProvider.getInputRecordDescriptor(destId, inputChannel));
/*
* traverse to the child of the current activity
*/
outputConnectors = MapUtils.getObject(parent.getActivityOutputMap(), destId, Collections.emptyList());
/*
* expend the executing activities further to the downstream
*/
for (IConnectorDescriptor conn : outputConnectors) {
if (conn != null) {
childQueue.add(parent.getConnectorActivityMap().get(conn.getConnectorId()));
}
}
}
}
use of org.apache.hyracks.api.dataflow.ActivityId in project asterixdb by apache.
the class SuperActivityOperatorNodePushable method getInputFrameWriter.
@Override
public IFrameWriter getInputFrameWriter(final int index) {
/*
* get the right IFrameWriter from the cluster input index
*/
Pair<ActivityId, Integer> activityIdInputIndex = parent.getActivityIdInputIndex(index);
IOperatorNodePushable operatorNodePushable = operatorNodePushables.get(activityIdInputIndex.getLeft());
return operatorNodePushable.getInputFrameWriter(activityIdInputIndex.getRight());
}
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