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HDFS-14687. Standby Namenode never come out of safemode when EC files are being written. Contributed by Surendra Singh Lilhore. 

Reviewed-by: Siyao Meng <smeng@cloudera.com>
Reviewed-by: Wei-Chiu CHuang <weichiu@apache.org>
Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>
This commit is contained in:
Surendra Singh Lilhore 2019-08-18 18:12:19 -07:00 committed by Wei-Chiu Chuang
parent b58a35f374
commit b8db5b9a98
2 changed files with 56 additions and 3 deletions
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7
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/PendingDataNodeMessages.java
View File

@ -95,9 +95,16 @@ class PendingDataNodeMessages {
void enqueueReportedBlock(DatanodeStorageInfo storageInfo, Block block,
ReplicaState reportedState) {
if (BlockIdManager.isStripedBlockID(block.getBlockId())) {
Block blkId = new Block(BlockIdManager.convertToStripedID(block
.getBlockId()));
getBlockQueue(blkId).add(
new ReportedBlockInfo(storageInfo, new Block(block), reportedState));
} else {
block = new Block(block);
getBlockQueue(block).add(
new ReportedBlockInfo(storageInfo, block, reportedState));
}
count++;
}

46
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestPendingDataNodeMessages.java
View File

@ -22,10 +22,19 @@ import static org.junit.Assert.assertNull;
import java.util.Queue;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSTestUtil;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
import org.apache.hadoop.hdfs.protocol.Block;
import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
import org.apache.hadoop.hdfs.server.blockmanagement.PendingDataNodeMessages.ReportedBlockInfo;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.ReplicaState;
import org.apache.hadoop.hdfs.server.namenode.ha.HATestUtil;
import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage;
import org.junit.Test;
@ -67,4 +76,41 @@ public class TestPendingDataNodeMessages {
assertNull(msgs.takeBlockQueue(block1Gs1));
assertEquals(0, msgs.count());
}
@Test
public void testPendingDataNodeMessagesWithEC() throws Exception {
ErasureCodingPolicy ecPolicy = SystemErasureCodingPolicies.getPolicies()
.get(3);
Path dirPath = new Path("/testPendingDataNodeMessagesWithEC");
Configuration conf = new Configuration();
conf.setInt(DFSConfigKeys.DFS_HA_TAILEDITS_PERIOD_KEY, 20 * 60000);
int numDn = ecPolicy.getNumDataUnits() + ecPolicy.getNumParityUnits();
final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
.numDataNodes(numDn).nnTopology(MiniDFSNNTopology.simpleHATopology())
.build();
try {
cluster.transitionToActive(0);
DistributedFileSystem fs = HATestUtil.configureFailoverFs(cluster, conf);
fs.enableErasureCodingPolicy(ecPolicy.getName());
fs.mkdirs(dirPath);
fs.setErasureCodingPolicy(dirPath, ecPolicy.getName());
DFSTestUtil.createFile(fs, new Path(dirPath, "file"),
ecPolicy.getCellSize() * ecPolicy.getNumDataUnits(), (short) 1, 0);
cluster.getNameNode(0).getRpcServer().rollEditLog();
cluster.getNameNode(1).getNamesystem().getEditLogTailer().doTailEdits();
// PendingDataNodeMessages datanode message queue should be empty after
// processing IBR
int pendingIBRMsg = cluster.getNameNode(1).getNamesystem()
.getBlockManager().getPendingDataNodeMessageCount();
assertEquals("All DN message should processed after tail edits", 0,
pendingIBRMsg);
} finally {
cluster.shutdown();
}
}
}