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Revert "HDFS-13179. TestLazyPersistReplicaRecovery#testDnRestartWithSavedReplicas fails intermittently. Contributed by Ahmed Hussein." 

This reverts commit ed59412434.
This commit is contained in:
S O'Donnell 2020-06-05 12:48:07 +01:00
parent cb94911252
commit b7b3164ce7
2 changed files with 5 additions and 41 deletions
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5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
View File

@ -3206,11 +3206,6 @@ class FsDatasetImpl implements FsDatasetSpi<FsVolumeImpl> {
return cacheManager.reserve(bytesNeeded) > 0;
}
@VisibleForTesting
public int getNonPersistentReplicas() {
return ramDiskReplicaTracker.numReplicasNotPersisted();
}
@VisibleForTesting
public void setTimer(Timer newTimer) {
this.timer = newTimer;

41
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestLazyPersistReplicaRecovery.java
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@ -19,13 +19,6 @@
package org.apache.hadoop.hdfs.server.datanode.fsdataset.impl;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.client.BlockReportOptions;
import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor;
import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo;
import org.apache.hadoop.hdfs.server.datanode.DataNode;
import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
import org.apache.hadoop.test.GenericTestUtils;
import org.junit.Test;
@ -34,7 +27,6 @@ import java.util.concurrent.TimeoutException;
import static org.apache.hadoop.fs.StorageType.DEFAULT;
import static org.apache.hadoop.fs.StorageType.RAM_DISK;
import static org.junit.Assert.assertTrue;
public class TestLazyPersistReplicaRecovery extends LazyPersistTestCase {
@Test
@ -42,10 +34,6 @@ public class TestLazyPersistReplicaRecovery extends LazyPersistTestCase {
throws IOException, InterruptedException, TimeoutException {
getClusterBuilder().build();
FSNamesystem fsn = cluster.getNamesystem();
final DataNode dn = cluster.getDataNodes().get(0);
DatanodeDescriptor dnd =
NameNodeAdapter.getDatanode(fsn, dn.getDatanodeId());
final String METHOD_NAME = GenericTestUtils.getMethodName();
Path path1 = new Path("/" + METHOD_NAME + ".01.dat");
@ -54,17 +42,14 @@ public class TestLazyPersistReplicaRecovery extends LazyPersistTestCase {
// Sleep for a short time to allow the lazy writer thread to do its job.
// However the block replica should not be evicted from RAM_DISK yet.
FsDatasetImpl fsDImpl = (FsDatasetImpl) DataNodeTestUtils.getFSDataset(dn);
GenericTestUtils
.waitFor(() -> fsDImpl.getNonPersistentReplicas() == 0, 10,
3 * LAZY_WRITER_INTERVAL_SEC * 1000);
Thread.sleep(3 * LAZY_WRITER_INTERVAL_SEC * 1000);
ensureFileReplicasOnStorageType(path1, RAM_DISK);
LOG.info("Restarting the DataNode");
assertTrue("DN did not restart properly",
cluster.restartDataNode(0, true));
// wait for blockreport
waitForBlockReport(dn, dnd);
cluster.restartDataNode(0, true);
cluster.waitActive();
triggerBlockReport();
// Ensure that the replica is now on persistent storage.
ensureFileReplicasOnStorageType(path1, DEFAULT);
}
@ -88,20 +73,4 @@ public class TestLazyPersistReplicaRecovery extends LazyPersistTestCase {
// Ensure that the replica is still on transient storage.
ensureFileReplicasOnStorageType(path1, RAM_DISK);
}
private boolean waitForBlockReport(final DataNode dn,
final DatanodeDescriptor dnd) throws IOException, InterruptedException {
final DatanodeStorageInfo storage = dnd.getStorageInfos()[0];
final long lastCount = storage.getBlockReportCount();
dn.triggerBlockReport(
new BlockReportOptions.Factory().setIncremental(false).build());
try {
GenericTestUtils
.waitFor(() -> lastCount != storage.getBlockReportCount(), 10, 10000);
} catch (TimeoutException te) {
LOG.error("Timeout waiting for block report for {}", dnd);
return false;
}
return true;
}
}