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HDFS-17177. ErasureCodingWork should ignore the deleted block while reconstructing blocks (#6024)

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huhaiyang 2023-09-11 11:57:52 +08:00 committed by GitHub
parent c5e9510b54
commit 3bd6a751ed
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2 changed files with 16 additions and 7 deletions
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10
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/ErasureCodingWork.java
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@ -62,10 +62,18 @@ void chooseTargets(BlockPlacementPolicy blockplacement,
BlockStoragePolicySuite storagePolicySuite,
Set<Node> excludedNodes) {
// TODO: new placement policy for EC considering multiple writers
DatanodeStorageInfo[] chosenTargets = blockplacement.chooseTarget(
DatanodeStorageInfo[] chosenTargets = null;
// HDFS-14720. If the block is deleted, the block size will become
// BlockCommand.NO_ACK (LONG.MAX_VALUE) . This kind of block we don't need
// to send for replication or reconstruction
if (!getBlock().isDeleted()) {
chosenTargets = blockplacement.chooseTarget(
getSrcPath(), getAdditionalReplRequired(), getSrcNodes()[0],
getLiveReplicaStorages(), false, excludedNodes, getBlockSize(),
storagePolicySuite.getPolicy(getStoragePolicyID()), null);
} else {
LOG.warn("ErasureCodingWork could not need choose targets for {}", getBlock());
}
setTargets(chosenTargets);
}

5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/ReplicationWork.java
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@ -17,7 +17,6 @@
*/
package org.apache.hadoop.hdfs.server.blockmanagement;
import org.apache.hadoop.hdfs.server.protocol.BlockCommand;
import org.apache.hadoop.net.Node;
import java.util.List;
@ -47,11 +46,13 @@ assert getSrcNodes().length > 0
// HDFS-14720 If the block is deleted, the block size will become
// BlockCommand.NO_ACK (LONG.MAX_VALUE) . This kind of block we don't need
// to send for replication or reconstruction
if (getBlock().getNumBytes() != BlockCommand.NO_ACK) {
if (!getBlock().isDeleted()) {
chosenTargets = blockplacement.chooseTarget(getSrcPath(),
getAdditionalReplRequired(), getSrcNodes()[0],
getLiveReplicaStorages(), false, excludedNodes, getBlockSize(),
storagePolicySuite.getPolicy(getStoragePolicyID()), null);
} else {
LOG.warn("ReplicationWork could not need choose targets for {}", getBlock());
}
setTargets(chosenTargets);
} finally {