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HDFS-6060. NameNode should not check DataNode layout version. Contributed by Brandon Li

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1575021 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Brandon Li 2014-03-06 19:29:11 +00:00
parent 115e60b0dc
commit 8955f718f1
2 changed files with 2 additions and 15 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -703,6 +703,8 @@ Release 2.4.0 - UNRELEASED
HDFS-6059. TestBlockReaderLocal fails if native library is not available.
(Akira AJISAKA via Colin Patrick McCabe)
HDFS-6060. NameNode should not check DataNode layout version (brandonli)
BREAKDOWN OF HDFS-5698 SUBTASKS AND RELATED JIRAS
HDFS-5717. Save FSImage header in protobuf. (Haohui Mai via jing9)

15
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
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@ -104,7 +104,6 @@
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NamenodeRole;
import org.apache.hadoop.hdfs.server.common.IncorrectVersionException;
import org.apache.hadoop.hdfs.server.datanode.DataNodeLayoutVersion;
import org.apache.hadoop.hdfs.server.namenode.NameNode.OperationCategory;
import org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics;
import org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods;
@ -1100,20 +1099,6 @@ private void verifyRequest(NodeRegistration nodeReg) throws IOException {
+ " but the expected ID is " + expectedID);
throw new UnregisteredNodeException(nodeReg);
}
// verify layout version if there is no rolling upgrade.
if (!namesystem.isRollingUpgrade()) {
final int lv = nodeReg.getVersion();
final int expectedLV = nodeReg instanceof NamenodeRegistration?
NameNodeLayoutVersion.CURRENT_LAYOUT_VERSION
: DataNodeLayoutVersion.CURRENT_LAYOUT_VERSION;
if (expectedLV != nodeReg.getVersion()) {
LOG.warn("Layout versions mismatched: the "
+ nodeReg.getClass().getSimpleName() + " LV is " + lv
+ " but the expected LV is " + expectedLV);
throw new UnregisteredNodeException(nodeReg);
}
}
}
@Override // RefreshAuthorizationPolicyProtocol