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YARN-8521. NPE in AllocationTagsManager when a container is removed more than once. Contributed by Weiwei Yang.

This commit is contained in:
Weiwei Yang 2018-08-10 08:32:02 +08:00
parent f5dbbfe2e9
commit 08d5060605
3 changed files with 68 additions and 25 deletions
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5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/constraint/AllocationTagsManager.java
View File

@ -115,6 +115,11 @@ public class AllocationTagsManager {
private void removeTagFromInnerMap(Map<String, Long> innerMap, String tag) {
Long count = innerMap.get(tag);
if (count == null) {
LOG.warn("Trying to remove tags, however the tag " + tag
+ " no longer exists on this node/rack.");
return;
}
if (count > 1) {
innerMap.put(tag, count - 1);
} else {

37
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/constraint/TestAllocationTagsManager.java
View File

@ -22,6 +22,7 @@ package org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint;
import com.google.common.collect.ImmutableSet;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.server.resourcemanager.MockNodes;
@ -38,6 +39,7 @@ import org.junit.Test;
import org.mockito.Mockito;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
@ -60,6 +62,41 @@ public class TestAllocationTagsManager {
rmContext = rm.getRMContext();
}
@Test
public void testMultipleAddRemoveContainer() {
AllocationTagsManager atm = new AllocationTagsManager(rmContext);
NodeId nodeId = NodeId.fromString("host1:123");
ContainerId cid1 = TestUtils.getMockContainerId(1, 1);
ContainerId cid2 = TestUtils.getMockContainerId(1, 2);
ContainerId cid3 = TestUtils.getMockContainerId(1, 3);
Set<String> tags1 = ImmutableSet.of("mapper", "reducer");
Set<String> tags2 = ImmutableSet.of("mapper");
Set<String> tags3 = ImmutableSet.of("zk");
// node - mapper : 2
// - reduce : 1
atm.addContainer(nodeId, cid1, tags1);
atm.addContainer(nodeId, cid2, tags2);
atm.addContainer(nodeId, cid3, tags3);
Assert.assertEquals(2L,
(long) atm.getAllocationTagsWithCount(nodeId).get("mapper"));
Assert.assertEquals(1L,
(long) atm.getAllocationTagsWithCount(nodeId).get("reducer"));
// remove container1
atm.removeContainer(nodeId, cid1, tags1);
Assert.assertEquals(1L,
(long) atm.getAllocationTagsWithCount(nodeId).get("mapper"));
Assert.assertNull(atm.getAllocationTagsWithCount(nodeId).get("reducer"));
// remove the same container again, the reducer no longer exists,
// make sure there is no NPE here
atm.removeContainer(nodeId, cid1, tags1);
Assert.assertNull(atm.getAllocationTagsWithCount(nodeId).get("mapper"));
Assert.assertNull(atm.getAllocationTagsWithCount(nodeId).get("reducer"));
}
@Test
public void testAllocationTagsManagerSimpleCases()
throws InvalidAllocationTagsQueryException {

51
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/constraint/TestPlacementConstraintsUtil.java
View File

@ -163,6 +163,11 @@ public class TestPlacementConstraintsUtil {
ApplicationAttemptId.newInstance(appId, 0), 0);
}
private ContainerId newContainerId(ApplicationId appId, int containerId) {
return ContainerId.newContainerId(
ApplicationAttemptId.newInstance(appId, 0), containerId);
}
private SchedulerNode newSchedulerNode(String hostname, String rackName,
NodeId nodeId) {
SchedulerNode node = mock(SchedulerNode.class);
@ -271,12 +276,10 @@ public class TestPlacementConstraintsUtil {
SchedulerNode schedulerNode3 =newSchedulerNode(n3_r2.getHostName(),
n3_r2.getRackName(), n3_r2.getNodeID());
ContainerId ca = ContainerId
.newContainerId(ApplicationAttemptId.newInstance(appId1, 0), 0);
ContainerId ca = newContainerId(appId1, 0);
tm.addContainer(n0_r1.getNodeID(), ca, ImmutableSet.of("A"));
ContainerId cb = ContainerId
.newContainerId(ApplicationAttemptId.newInstance(appId1, 0), 0);
ContainerId cb = newContainerId(appId1, 1);
tm.addContainer(n1_r1.getNodeID(), cb, ImmutableSet.of("B"));
// n0 and n1 has A/B so they cannot satisfy the PC
@ -297,11 +300,9 @@ public class TestPlacementConstraintsUtil {
* n2: A(1), B(1)
* n3:
*/
ContainerId ca1 = ContainerId
.newContainerId(ApplicationAttemptId.newInstance(appId1, 0), 0);
ContainerId ca1 = newContainerId(appId1, 2);
tm.addContainer(n2_r2.getNodeID(), ca1, ImmutableSet.of("A"));
ContainerId cb1 = ContainerId
.newContainerId(ApplicationAttemptId.newInstance(appId1, 0), 0);
ContainerId cb1 = newContainerId(appId1, 3);
tm.addContainer(n2_r2.getNodeID(), cb1, ImmutableSet.of("B"));
// Only n2 has both A and B so only it can satisfy the PC
@ -468,9 +469,9 @@ public class TestPlacementConstraintsUtil {
* n3: ""
*/
tm.addContainer(n0r1.getNodeID(),
newContainerId(appId1), ImmutableSet.of("hbase-m"));
newContainerId(appId1, 1), ImmutableSet.of("hbase-m"));
tm.addContainer(n2r2.getNodeID(),
newContainerId(appId1), ImmutableSet.of("hbase-rs"));
newContainerId(appId1, 2), ImmutableSet.of("hbase-rs"));
Assert.assertEquals(1L, tm.getAllocationTagsWithCount(n0r1.getNodeID())
.get("hbase-m").longValue());
Assert.assertEquals(1L, tm.getAllocationTagsWithCount(n2r2.getNodeID())
@ -504,7 +505,7 @@ public class TestPlacementConstraintsUtil {
* n3: hbase-rs(1)
*/
tm.addContainer(n3r2.getNodeID(),
newContainerId(appId1), ImmutableSet.of("hbase-rs"));
newContainerId(appId1, 2), ImmutableSet.of("hbase-rs"));
// n3 is qualified now because it is allocated with hbase-rs tag
Assert.assertTrue(PlacementConstraintsUtil.canSatisfyConstraints(appId1,
createSchedulingRequest(sourceTag1), schedulerNode3, pcm, tm));
@ -518,7 +519,7 @@ public class TestPlacementConstraintsUtil {
*/
// Place
tm.addContainer(n2r2.getNodeID(),
newContainerId(appId1), ImmutableSet.of("spark"));
newContainerId(appId1, 3), ImmutableSet.of("spark"));
// According to constraint, "zk" is allowed to be placed on a node
// has "hbase-m" tag OR a node has both "hbase-rs" and "spark" tags.
Assert.assertTrue(PlacementConstraintsUtil.canSatisfyConstraints(appId1,
@ -552,9 +553,9 @@ public class TestPlacementConstraintsUtil {
* n3: ""
*/
tm.addContainer(n0r1.getNodeID(),
newContainerId(appId1), ImmutableSet.of("hbase-m"));
newContainerId(appId1, 0), ImmutableSet.of("hbase-m"));
tm.addContainer(n2r2.getNodeID(),
newContainerId(appId1), ImmutableSet.of("hbase-m"));
newContainerId(appId1, 1), ImmutableSet.of("hbase-m"));
Assert.assertEquals(1L, tm.getAllocationTagsWithCount(n0r1.getNodeID())
.get("hbase-m").longValue());
Assert.assertEquals(1L, tm.getAllocationTagsWithCount(n2r2.getNodeID())
@ -589,7 +590,7 @@ public class TestPlacementConstraintsUtil {
*/
for (int i=0; i<4; i++) {
tm.addContainer(n1r1.getNodeID(),
newContainerId(appId1), ImmutableSet.of("spark"));
newContainerId(appId1, i+2), ImmutableSet.of("spark"));
}
Assert.assertEquals(4L, tm.getAllocationTagsWithCount(n1r1.getNodeID())
.get("spark").longValue());
@ -633,19 +634,19 @@ public class TestPlacementConstraintsUtil {
* n3: ""
*/
tm.addContainer(n0r1.getNodeID(),
newContainerId(application1), ImmutableSet.of("A"));
newContainerId(application1, 0), ImmutableSet.of("A"));
tm.addContainer(n0r1.getNodeID(),
newContainerId(application2), ImmutableSet.of("A"));
newContainerId(application2, 1), ImmutableSet.of("A"));
tm.addContainer(n1r1.getNodeID(),
newContainerId(application3), ImmutableSet.of("A"));
newContainerId(application3, 2), ImmutableSet.of("A"));
tm.addContainer(n1r1.getNodeID(),
newContainerId(application3), ImmutableSet.of("A"));
newContainerId(application3, 3), ImmutableSet.of("A"));
tm.addContainer(n1r1.getNodeID(),
newContainerId(application3), ImmutableSet.of("A"));
newContainerId(application3, 4), ImmutableSet.of("A"));
tm.addContainer(n2r2.getNodeID(),
newContainerId(application1), ImmutableSet.of("A"));
newContainerId(application1, 5), ImmutableSet.of("A"));
tm.addContainer(n2r2.getNodeID(),
newContainerId(application1), ImmutableSet.of("A"));
newContainerId(application1, 6), ImmutableSet.of("A"));
SchedulerNode schedulerNode0 = newSchedulerNode(n0r1.getHostName(),
n0r1.getRackName(), n0r1.getNodeID());
@ -888,9 +889,9 @@ public class TestPlacementConstraintsUtil {
* n3: ""
*/
tm.addContainer(n0r1.getNodeID(),
newContainerId(application1), ImmutableSet.of("hbase-m"));
newContainerId(application1, 0), ImmutableSet.of("hbase-m"));
tm.addContainer(n2r2.getNodeID(),
newContainerId(application1), ImmutableSet.of("hbase-m"));
newContainerId(application1, 1), ImmutableSet.of("hbase-m"));
Assert.assertEquals(1L, tm.getAllocationTagsWithCount(n0r1.getNodeID())
.get("hbase-m").longValue());
Assert.assertEquals(1L, tm.getAllocationTagsWithCount(n2r2.getNodeID())
@ -958,7 +959,7 @@ public class TestPlacementConstraintsUtil {
* n3: ""
*/
tm.addContainer(n0r1.getNodeID(),
newContainerId(application3), ImmutableSet.of("hbase-m"));
newContainerId(application3, 0), ImmutableSet.of("hbase-m"));
// Anti-affinity to self/hbase-m
Assert.assertFalse(PlacementConstraintsUtil