use of io.prestosql.execution.RemoteTask in project hetu-core by openlookeng.
the class TestHttpRemoteTask method testEmptyTaskSource.
@Test(timeOut = 30000)
public void testEmptyTaskSource() throws Exception {
AtomicLong lastActivityNanos = new AtomicLong(System.nanoTime());
TestingTaskResource testingTaskResource = new TestingTaskResource(lastActivityNanos, FailureScenario.NO_FAILURE);
HttpRemoteTaskFactory httpRemoteTaskFactory = createHttpRemoteTaskFactory(testingTaskResource);
RemoteTask remoteTask = createRemoteTask(httpRemoteTaskFactory);
testingTaskResource.setInitialTaskInfo(remoteTask.getTaskInfo());
remoteTask.start();
remoteTask.noMoreSplits(TABLE_SCAN_NODE_ID, Lifespan.taskWide());
poll(() -> testingTaskResource.getRequests().size() > 0);
assertEquals(testingTaskResource.getRequests().get(0).getSources().size(), 1);
assertEquals(testingTaskResource.getRequests().get(0).getSources().get(0).getSplits().size(), 0);
httpRemoteTaskFactory.stop();
}
use of io.prestosql.execution.RemoteTask in project hetu-core by openlookeng.
the class TestHttpRemoteTask method runTest.
private void runTest(FailureScenario failureScenario) throws Exception {
AtomicLong lastActivityNanos = new AtomicLong(System.nanoTime());
TestingTaskResource testingTaskResource = new TestingTaskResource(lastActivityNanos, failureScenario);
HttpRemoteTaskFactory httpRemoteTaskFactory = createHttpRemoteTaskFactory(testingTaskResource);
RemoteTask remoteTask = createRemoteTask(httpRemoteTaskFactory);
testingTaskResource.setInitialTaskInfo(remoteTask.getTaskInfo());
remoteTask.start();
waitUntilIdle(lastActivityNanos);
httpRemoteTaskFactory.stop();
assertTrue(remoteTask.getTaskStatus().getState().isDone(), format("TaskStatus is not in a done state: %s", remoteTask.getTaskStatus()));
ErrorCode actualErrorCode = getOnlyElement(remoteTask.getTaskStatus().getFailures()).getErrorCode();
switch(failureScenario) {
case REJECTED_EXECUTION:
// for a rejection to occur, the http client must be shutdown, which means we will not be able to ge the final task info
assertEquals(actualErrorCode, REMOTE_TASK_ERROR.toErrorCode());
break;
default:
throw new UnsupportedOperationException();
}
}
use of io.prestosql.execution.RemoteTask in project hetu-core by openlookeng.
the class TestHttpRemoteTask method testRegular.
@Test(timeOut = 30000)
public void testRegular() throws Exception {
AtomicLong lastActivityNanos = new AtomicLong(System.nanoTime());
TestingTaskResource testingTaskResource = new TestingTaskResource(lastActivityNanos, FailureScenario.NO_FAILURE);
HttpRemoteTaskFactory httpRemoteTaskFactory = createHttpRemoteTaskFactory(testingTaskResource);
RemoteTask remoteTask = createRemoteTask(httpRemoteTaskFactory);
testingTaskResource.setInitialTaskInfo(remoteTask.getTaskInfo());
remoteTask.start();
Lifespan lifespan = Lifespan.driverGroup(3);
remoteTask.addSplits(ImmutableMultimap.of(TABLE_SCAN_NODE_ID, new Split(new CatalogName("test"), TestingSplit.createLocalSplit(), lifespan)));
poll(() -> testingTaskResource.getTaskSource(TABLE_SCAN_NODE_ID) != null);
poll(() -> testingTaskResource.getTaskSource(TABLE_SCAN_NODE_ID).getSplits().size() == 1);
remoteTask.noMoreSplits(TABLE_SCAN_NODE_ID, lifespan);
poll(() -> testingTaskResource.getTaskSource(TABLE_SCAN_NODE_ID).getNoMoreSplitsForLifespan().size() == 1);
remoteTask.noMoreSplits(TABLE_SCAN_NODE_ID);
poll(() -> testingTaskResource.getTaskSource(TABLE_SCAN_NODE_ID).isNoMoreSplits());
remoteTask.cancel();
poll(() -> remoteTask.getTaskStatus().getState().isDone());
poll(() -> remoteTask.getTaskInfo().getTaskStatus().getState().isDone());
httpRemoteTaskFactory.stop();
}
use of io.prestosql.execution.RemoteTask in project hetu-core by openlookeng.
the class TestNodeScheduler method testTopologyAwareScheduling.
@Test(timeOut = 60 * 1000)
public void testTopologyAwareScheduling() throws Exception {
NodeTaskMap nodeMap = new NodeTaskMap(finalizerService);
InMemoryNodeManager memoryNodeManager = new InMemoryNodeManager();
ImmutableList.Builder<InternalNode> nodeBuilder = ImmutableList.builder();
nodeBuilder.add(new InternalNode("node1", URI.create("http://host1.rack1:11"), NodeVersion.UNKNOWN, false));
nodeBuilder.add(new InternalNode("node2", URI.create("http://host2.rack1:12"), NodeVersion.UNKNOWN, false));
nodeBuilder.add(new InternalNode("node3", URI.create("http://host3.rack2:13"), NodeVersion.UNKNOWN, false));
ImmutableList<InternalNode> nodes = nodeBuilder.build();
memoryNodeManager.addNode(CONNECTOR_ID, nodes);
// contents of taskMap indicate the node-task map for the current stage
Map<InternalNode, RemoteTask> nodeRemoteTaskHashMap = new HashMap<>();
NodeSchedulerConfig nodeSchedulerConfig = new NodeSchedulerConfig().setMaxSplitsPerNode(25).setIncludeCoordinator(false).setNetworkTopology("test").setMaxPendingSplitsPerTask(20);
TestNetworkTopology topology = new TestNetworkTopology();
NetworkLocationCache locationCache = new NetworkLocationCache(topology) {
@Override
public NetworkLocation get(HostAddress host) {
// Bypass the cache for workers, since we only look them up once and they would all be unresolved otherwise
if (host.getHostText().startsWith("host")) {
return topology.locate(host);
} else {
return super.get(host);
}
}
};
NodeScheduler nodeScheduler = new NodeScheduler(locationCache, topology, memoryNodeManager, nodeSchedulerConfig, nodeMap);
NodeSelector selector = nodeScheduler.createNodeSelector(CONNECTOR_ID, false, null);
// Fill up the nodes with non-local data
ImmutableSet.Builder<Split> nonRackLocalBuilder = ImmutableSet.builder();
for (int i = 0; i < (25 + 11) * 3; i++) {
nonRackLocalBuilder.add(new Split(CONNECTOR_ID, new TestSplitRemote(HostAddress.fromParts("data.other_rack", 1)), Lifespan.taskWide()));
}
Set<Split> nonRackLocalSplits = nonRackLocalBuilder.build();
Multimap<InternalNode, Split> assignments = selector.computeAssignments(nonRackLocalSplits, ImmutableList.copyOf(nodeRemoteTaskHashMap.values()), Optional.empty()).getAssignments();
MockRemoteTaskFactory remoteTaskFactory = new MockRemoteTaskFactory(remoteTaskExecutor, remoteTaskScheduledExecutor);
int task = 0;
for (InternalNode node : assignments.keySet()) {
TaskId taskId = new TaskId("test", 1, task);
task++;
MockRemoteTaskFactory.MockRemoteTask remoteTask = remoteTaskFactory.createTableScanTask(taskId, node, ImmutableList.copyOf(assignments.get(node)), nodeMap.createPartitionedSplitCountTracker(node, taskId));
remoteTask.startSplits(25);
nodeMap.addTask(node, remoteTask);
nodeRemoteTaskHashMap.put(node, remoteTask);
}
// Continue assigning to fill up part of the queue
nonRackLocalSplits = Sets.difference(nonRackLocalSplits, new HashSet<>(assignments.values()));
assignments = selector.computeAssignments(nonRackLocalSplits, ImmutableList.copyOf(nodeRemoteTaskHashMap.values()), Optional.empty()).getAssignments();
for (InternalNode node : assignments.keySet()) {
RemoteTask remoteTask = nodeRemoteTaskHashMap.get(node);
remoteTask.addSplits(ImmutableMultimap.<PlanNodeId, Split>builder().putAll(new PlanNodeId("sourceId"), assignments.get(node)).build());
}
nonRackLocalSplits = Sets.difference(nonRackLocalSplits, new HashSet<>(assignments.values()));
// Check that 3 of the splits were rejected, since they're non-local
assertEquals(nonRackLocalSplits.size(), 3);
// Assign rack-local splits
ImmutableSet.Builder<Split> rackLocalSplits = ImmutableSet.builder();
HostAddress dataHost1 = HostAddress.fromParts("data.rack1", 1);
HostAddress dataHost2 = HostAddress.fromParts("data.rack2", 1);
for (int i = 0; i < 6 * 2; i++) {
rackLocalSplits.add(new Split(CONNECTOR_ID, new TestSplitRemote(dataHost1), Lifespan.taskWide()));
}
for (int i = 0; i < 6; i++) {
rackLocalSplits.add(new Split(CONNECTOR_ID, new TestSplitRemote(dataHost2), Lifespan.taskWide()));
}
assignments = selector.computeAssignments(rackLocalSplits.build(), ImmutableList.copyOf(nodeRemoteTaskHashMap.values()), Optional.empty()).getAssignments();
for (InternalNode node : assignments.keySet()) {
RemoteTask remoteTask = nodeRemoteTaskHashMap.get(node);
remoteTask.addSplits(ImmutableMultimap.<PlanNodeId, Split>builder().putAll(new PlanNodeId("sourceId"), assignments.get(node)).build());
}
Set<Split> unassigned = Sets.difference(rackLocalSplits.build(), new HashSet<>(assignments.values()));
// Compute the assignments a second time to account for the fact that some splits may not have been assigned due to asynchronous
// loading of the NetworkLocationCache
boolean cacheRefreshed = false;
while (!cacheRefreshed) {
cacheRefreshed = true;
if (locationCache.get(dataHost1).equals(ROOT_LOCATION)) {
cacheRefreshed = false;
}
if (locationCache.get(dataHost2).equals(ROOT_LOCATION)) {
cacheRefreshed = false;
}
MILLISECONDS.sleep(10);
}
assignments = selector.computeAssignments(unassigned, ImmutableList.copyOf(nodeRemoteTaskHashMap.values()), Optional.empty()).getAssignments();
for (InternalNode node : assignments.keySet()) {
RemoteTask remoteTask = nodeRemoteTaskHashMap.get(node);
remoteTask.addSplits(ImmutableMultimap.<PlanNodeId, Split>builder().putAll(new PlanNodeId("sourceId"), assignments.get(node)).build());
}
unassigned = Sets.difference(unassigned, new HashSet<>(assignments.values()));
assertEquals(unassigned.size(), 3);
int rack1 = 0;
int rack2 = 0;
for (Split split : unassigned) {
String rack = topology.locate(split.getAddresses().get(0)).getSegments().get(0);
switch(rack) {
case "rack1":
rack1++;
break;
case "rack2":
rack2++;
break;
default:
fail();
}
}
assertEquals(rack1, 2);
assertEquals(rack2, 1);
// Assign local splits
ImmutableSet.Builder<Split> localSplits = ImmutableSet.builder();
localSplits.add(new Split(CONNECTOR_ID, new TestSplitRemote(HostAddress.fromParts("host1.rack1", 1)), Lifespan.taskWide()));
localSplits.add(new Split(CONNECTOR_ID, new TestSplitRemote(HostAddress.fromParts("host2.rack1", 1)), Lifespan.taskWide()));
localSplits.add(new Split(CONNECTOR_ID, new TestSplitRemote(HostAddress.fromParts("host3.rack2", 1)), Lifespan.taskWide()));
assignments = selector.computeAssignments(localSplits.build(), ImmutableList.copyOf(nodeRemoteTaskHashMap.values()), Optional.empty()).getAssignments();
assertEquals(assignments.size(), 3);
assertEquals(assignments.keySet().size(), 3);
}
use of io.prestosql.execution.RemoteTask in project hetu-core by openlookeng.
the class TestNodeScheduler method testTaskCompletion.
@Test
public void testTaskCompletion() throws Exception {
setUpNodes();
MockRemoteTaskFactory remoteTaskFactory = new MockRemoteTaskFactory(remoteTaskExecutor, remoteTaskScheduledExecutor);
InternalNode chosenNode = Iterables.get(nodeManager.getActiveConnectorNodes(CONNECTOR_ID), 0);
TaskId taskId = new TaskId("test", 1, 1);
RemoteTask remoteTask = remoteTaskFactory.createTableScanTask(taskId, chosenNode, ImmutableList.of(new Split(CONNECTOR_ID, new TestSplitRemote(), Lifespan.taskWide())), nodeTaskMap.createPartitionedSplitCountTracker(chosenNode, taskId));
nodeTaskMap.addTask(chosenNode, remoteTask);
assertEquals(nodeTaskMap.getPartitionedSplitsOnNode(chosenNode), 1);
remoteTask.abort();
// Sleep until cache expires
MILLISECONDS.sleep(100);
assertEquals(nodeTaskMap.getPartitionedSplitsOnNode(chosenNode), 0);
remoteTask.abort();
assertEquals(nodeTaskMap.getPartitionedSplitsOnNode(chosenNode), 0);
}
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