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HDDS-1517. AllocateBlock call fails with ContainerNotFoundException (#826). Contributed by Shashikant Banerjee.

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This commit is contained in:
Shashikant Banerjee 2019-05-22 17:24:27 +05:30
parent 2fc6f8599a
commit a315913c48
4 changed files with 102 additions and 13 deletions
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8
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/ContainerStateManager.java
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@ -263,11 +263,15 @@ ContainerInfo allocateContainer(final PipelineManager pipelineManager,
}
pipeline = pipelines.get((int) containerCount.get() % pipelines.size());
}
synchronized (pipeline) {
return allocateContainer(pipelineManager, owner, pipeline);
}
}
/**
* Allocates a new container based on the type, replication etc.
* This method should be called only after the lock on the pipeline is held
* on which the container will be allocated.
*
* @param pipelineManager - Pipeline Manager class.
* @param owner - Owner of the container.
@ -296,10 +300,10 @@ ContainerInfo allocateContainer(
.setReplicationFactor(pipeline.getFactor())
.setReplicationType(pipeline.getType())
.build();
pipelineManager.addContainerToPipeline(pipeline.getId(),
ContainerID.valueof(containerID));
Preconditions.checkNotNull(containerInfo);
containers.addContainer(containerInfo);
pipelineManager.addContainerToPipeline(pipeline.getId(),
ContainerID.valueof(containerID));
containerStateCount.incrementAndGet(containerInfo.getState());
LOG.trace("New container allocated: {}", containerInfo);
return containerInfo;

7
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/SCMContainerManager.java
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@ -386,18 +386,17 @@ public ContainerInfo getMatchingContainer(final long sizeRequired,
public ContainerInfo getMatchingContainer(final long sizeRequired,
String owner, Pipeline pipeline, List<ContainerID> excludedContainers) {
NavigableSet<ContainerID> containerIDs;
try {
synchronized (pipeline) {
//TODO: #CLUTIL See if lock is required here
NavigableSet<ContainerID> containerIDs =
containerIDs =
pipelineManager.getContainersInPipeline(pipeline.getId());
containerIDs = getContainersForOwner(containerIDs, owner);
if (containerIDs.size() < numContainerPerOwnerInPipeline) {
synchronized (pipeline) {
// TODO: #CLUTIL Maybe we can add selection logic inside synchronized
// as well
containerIDs = getContainersForOwner(
pipelineManager.getContainersInPipeline(pipeline.getId()), owner);
if (containerIDs.size() < numContainerPerOwnerInPipeline) {
ContainerInfo containerInfo =
containerStateManager.allocateContainer(pipelineManager, owner,

43
hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/block/TestBlockManager.java
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@ -19,7 +19,13 @@
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeoutException;
import org.apache.hadoop.hdds.HddsConfigKeys;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
@ -132,6 +138,43 @@ public void testAllocateBlock() throws Exception {
Assert.assertNotNull(block);
}
@Test
public void testAllocateBlockInParallel() throws Exception {
eventQueue.fireEvent(SCMEvents.SAFE_MODE_STATUS, safeModeStatus);
GenericTestUtils.waitFor(() -> {
return !blockManager.isScmInSafeMode();
}, 10, 1000 * 5);
int threadCount = 20;
List<ExecutorService> executors = new ArrayList<>(threadCount);
for (int i = 0; i < threadCount; i++) {
executors.add(Executors.newSingleThreadExecutor());
}
List<CompletableFuture<AllocatedBlock>> futureList =
new ArrayList<>(threadCount);
for (int i = 0; i < threadCount; i++) {
final CompletableFuture<AllocatedBlock> future =
new CompletableFuture<>();
CompletableFuture.supplyAsync(() -> {
try {
future.complete(blockManager
.allocateBlock(DEFAULT_BLOCK_SIZE, type, factor, containerOwner,
new ExcludeList()));
} catch (IOException e) {
future.completeExceptionally(e);
}
return future;
}, executors.get(i));
futureList.add(future);
}
try {
CompletableFuture
.allOf(futureList.toArray(new CompletableFuture[futureList.size()]))
.get();
} catch (Exception e) {
Assert.fail("testAllocateBlockInParallel failed");
}
}
@Test
public void testAllocateOversizedBlock() throws Exception {
eventQueue.fireEvent(SCMEvents.SAFE_MODE_STATUS, safeModeStatus);

47
hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/container/TestSCMContainerManager.java
View File

@ -43,14 +43,20 @@
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.Optional;
import java.util.Random;
import java.util.Set;
import java.util.TreeSet;
import java.util.UUID;
import java.util.Iterator;
import java.util.Optional;
import java.util.List;
import java.util.ArrayList;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
@ -144,6 +150,43 @@ public void testallocateContainerDistributesAllocation() throws Exception {
Assert.assertTrue(pipelineList.size() > 5);
}
@Test
public void testAllocateContainerInParallel() throws Exception {
int threadCount = 20;
List<ExecutorService> executors = new ArrayList<>(threadCount);
for (int i = 0; i < threadCount; i++) {
executors.add(Executors.newSingleThreadExecutor());
}
List<CompletableFuture<ContainerInfo>> futureList =
new ArrayList<>(threadCount);
for (int i = 0; i < threadCount; i++) {
final CompletableFuture<ContainerInfo> future = new CompletableFuture<>();
CompletableFuture.supplyAsync(() -> {
try {
ContainerInfo containerInfo = containerManager
.allocateContainer(xceiverClientManager.getType(),
xceiverClientManager.getFactor(), containerOwner);
Assert.assertNotNull(containerInfo);
Assert.assertNotNull(containerInfo.getPipelineID());
future.complete(containerInfo);
return containerInfo;
} catch (IOException e) {
future.completeExceptionally(e);
}
return future;
}, executors.get(i));
futureList.add(future);
}
try {
CompletableFuture
.allOf(futureList.toArray(new CompletableFuture[futureList.size()]))
.get();
} catch (Exception e) {
Assert.fail("testAllocateBlockInParallel failed");
}
}
@Test
public void testGetContainer() throws IOException {
ContainerInfo containerInfo = containerManager.allocateContainer(