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HDFS-11060. make DEFAULT_MAX_CORRUPT_FILEBLOCKS_RETURNED configurable. Contributed by Lantao Jin. 

(cherry picked from commit e95c5e9f62)
This commit is contained in:
Wei-Chiu Chuang 2018-07-25 11:04:18 -07:00
parent 830ef12af8
commit 964f3454d1
4 changed files with 19 additions and 3 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
View File

@ -238,6 +238,9 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
public static final int DFS_NAMENODE_MAINTENANCE_REPLICATION_MIN_DEFAULT
= 1;
public static final String DFS_NAMENODE_MAX_CORRUPT_FILE_BLOCKS_RETURNED_KEY = "dfs.namenode.max-corrupt-file-blocks-returned";
public static final int DFS_NAMENODE_MAX_CORRUPT_FILE_BLOCKS_RETURNED_DEFAULT = 100;
public static final String DFS_NAMENODE_REPLICATION_MAX_STREAMS_KEY =
HdfsClientConfigKeys.DeprecatedKeys.DFS_NAMENODE_REPLICATION_MAX_STREAMS_KEY;
public static final int DFS_NAMENODE_REPLICATION_MAX_STREAMS_DEFAULT = 2;

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
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@ -425,7 +425,7 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
public static final Log auditLog = LogFactory.getLog(
FSNamesystem.class.getName() + ".audit");
static final int DEFAULT_MAX_CORRUPT_FILEBLOCKS_RETURNED = 100;
private final int maxCorruptFileBlocksReturn;
static int BLOCK_DELETION_INCREMENT = 1000;
private final boolean isPermissionEnabled;
private final UserGroupInformation fsOwner;
@ -831,6 +831,10 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
DFSConfigKeys.DFS_NAMENODE_FILE_CLOSE_NUM_COMMITTED_ALLOWED_KEY,
DFSConfigKeys.DFS_NAMENODE_FILE_CLOSE_NUM_COMMITTED_ALLOWED_DEFAULT);
this.maxCorruptFileBlocksReturn = conf.getInt(
DFSConfigKeys.DFS_NAMENODE_MAX_CORRUPT_FILE_BLOCKS_RETURNED_KEY,
DFSConfigKeys.DFS_NAMENODE_MAX_CORRUPT_FILE_BLOCKS_RETURNED_DEFAULT);
this.dtpReplaceDatanodeOnFailure = ReplaceDatanodeOnFailure.get(conf);
this.standbyShouldCheckpoint = conf.getBoolean(
@ -5497,7 +5501,7 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
if (src.startsWith(path)){
corruptFiles.add(new CorruptFileBlockInfo(src, blk));
count++;
if (count >= DEFAULT_MAX_CORRUPT_FILEBLOCKS_RETURNED)
if (count >= maxCorruptFileBlocksReturn)
break;
}
}

9
hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
View File

@ -612,6 +612,15 @@
</description>
</property>
<property>
<name>dfs.namenode.max-corrupt-file-blocks-returned</name>
<value>100</value>
<description>
The maximum number of corrupt file blocks listed by NameNode Web UI,
JMX and other client request.
</description>
</property>
<property>
<name>dfs.blocksize</name>
<value>134217728</value>

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestListCorruptFileBlocks.java
View File

@ -452,7 +452,7 @@ public class TestListCorruptFileBlocks {
cluster = new MiniDFSCluster.Builder(conf).build();
FileSystem fs = cluster.getFileSystem();
final int maxCorruptFileBlocks =
FSNamesystem.DEFAULT_MAX_CORRUPT_FILEBLOCKS_RETURNED;
conf.getInt(DFSConfigKeys.DFS_NAMENODE_MAX_CORRUPT_FILE_BLOCKS_RETURNED_KEY, 100);
// create 110 files with one block each
DFSTestUtil util = new DFSTestUtil.Builder().setName("testMaxCorruptFiles").