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[FLINK-9932] Harden slot allocation protocol
Harden slot allocation protocol by accepting task submissions for slots which are only allocated. Before, it was necessary that the slot was marked as active. This, however, required that task submissions come strictly after completing the slot offering which is not the case. With this change, we mark all allocated and active slots as active if the TaskExecutor receives a task submission.
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95 changes: 95 additions & 0 deletions
95
...k-runtime/src/test/java/org/apache/flink/runtime/taskexecutor/slot/TaskSlotTableTest.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one | ||
* or more contributor license agreements. See the NOTICE file | ||
* distributed with this work for additional information | ||
* regarding copyright ownership. The ASF licenses this file | ||
* to you under the Apache License, Version 2.0 (the | ||
* "License"); you may not use this file except in compliance | ||
* with the License. You may obtain a copy of the License at | ||
* | ||
* http:https://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package org.apache.flink.runtime.taskexecutor.slot; | ||
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import org.apache.flink.api.common.JobID; | ||
import org.apache.flink.api.common.time.Time; | ||
import org.apache.flink.runtime.clusterframework.types.AllocationID; | ||
import org.apache.flink.runtime.clusterframework.types.ResourceProfile; | ||
import org.apache.flink.runtime.testingUtils.TestingUtils; | ||
import org.apache.flink.util.TestLogger; | ||
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import org.apache.flink.shaded.guava18.com.google.common.collect.Sets; | ||
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import org.apache.commons.collections.IteratorUtils; | ||
import org.junit.Test; | ||
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import javax.annotation.Nonnull; | ||
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import java.util.Arrays; | ||
import java.util.Collection; | ||
import java.util.Collections; | ||
import java.util.HashSet; | ||
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import static org.hamcrest.Matchers.equalTo; | ||
import static org.hamcrest.Matchers.is; | ||
import static org.junit.Assert.assertThat; | ||
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/** | ||
* Tests for the {@link TaskSlotTable}. | ||
*/ | ||
public class TaskSlotTableTest extends TestLogger { | ||
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private static final Time SLOT_TIMEOUT = Time.seconds(100L); | ||
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/** | ||
* Tests that one can can mark allocated slots as active. | ||
*/ | ||
@Test | ||
public void testTryMarkSlotActive() throws SlotNotFoundException { | ||
final TaskSlotTable taskSlotTable = createTaskSlotTable(Collections.nCopies(3, ResourceProfile.UNKNOWN)); | ||
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try { | ||
taskSlotTable.start(new TestingSlotActionsBuilder().build()); | ||
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final JobID jobId1 = new JobID(); | ||
final AllocationID allocationId1 = new AllocationID(); | ||
taskSlotTable.allocateSlot(0, jobId1, allocationId1, SLOT_TIMEOUT); | ||
final AllocationID allocationId2 = new AllocationID(); | ||
taskSlotTable.allocateSlot(1, jobId1, allocationId2, SLOT_TIMEOUT); | ||
final AllocationID allocationId3 = new AllocationID(); | ||
final JobID jobId2 = new JobID(); | ||
taskSlotTable.allocateSlot(2, jobId2, allocationId3, SLOT_TIMEOUT); | ||
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taskSlotTable.markSlotActive(allocationId1); | ||
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assertThat(taskSlotTable.isAllocated(0, jobId1, allocationId1), is(true)); | ||
assertThat(taskSlotTable.isAllocated(1, jobId1, allocationId2), is(true)); | ||
assertThat(taskSlotTable.isAllocated(2, jobId2, allocationId3), is(true)); | ||
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assertThat(IteratorUtils.toList(taskSlotTable.getActiveSlots(jobId1)), is(equalTo(Arrays.asList(allocationId1)))); | ||
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assertThat(taskSlotTable.tryMarkSlotActive(jobId1, allocationId1), is(true)); | ||
assertThat(taskSlotTable.tryMarkSlotActive(jobId1, allocationId2), is(true)); | ||
assertThat(taskSlotTable.tryMarkSlotActive(jobId1, allocationId3), is(false)); | ||
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assertThat(Sets.newHashSet(taskSlotTable.getActiveSlots(jobId1)), is(equalTo(new HashSet<>(Arrays.asList(allocationId2, allocationId1))))); | ||
} finally { | ||
taskSlotTable.stop(); | ||
} | ||
} | ||
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@Nonnull | ||
private TaskSlotTable createTaskSlotTable(final Collection<ResourceProfile> resourceProfiles) { | ||
return new TaskSlotTable( | ||
resourceProfiles, | ||
new TimerService<>(TestingUtils.defaultExecutor(), 10000L)); | ||
} | ||
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} |
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