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Revert "HDFS-5517. Lower the default maximum number of blocks per file. Contributed by Aaron T. Myers." 

This reverts commit 09451252fa.
This commit is contained in:
Andrew Wang 2016-11-29 10:50:10 -08:00
parent 25f9872be6
commit b407d53195
2 changed files with 2 additions and 2 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
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@ -399,7 +399,7 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
public static final String DFS_NAMENODE_MIN_BLOCK_SIZE_KEY = "dfs.namenode.fs-limits.min-block-size";
public static final long DFS_NAMENODE_MIN_BLOCK_SIZE_DEFAULT = 1024*1024;
public static final String DFS_NAMENODE_MAX_BLOCKS_PER_FILE_KEY = "dfs.namenode.fs-limits.max-blocks-per-file";
public static final long DFS_NAMENODE_MAX_BLOCKS_PER_FILE_DEFAULT = 10*1000;
public static final long DFS_NAMENODE_MAX_BLOCKS_PER_FILE_DEFAULT = 1024*1024;
public static final String DFS_NAMENODE_MAX_XATTRS_PER_INODE_KEY = "dfs.namenode.fs-limits.max-xattrs-per-inode";
public static final int DFS_NAMENODE_MAX_XATTRS_PER_INODE_DEFAULT = 32;
public static final String DFS_NAMENODE_MAX_XATTR_SIZE_KEY = "dfs.namenode.fs-limits.max-xattr-size";

2
hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
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@ -372,7 +372,7 @@
<property>
<name>dfs.namenode.fs-limits.max-blocks-per-file</name>
<value>10000</value>
<value>1048576</value>
<description>Maximum number of blocks per file, enforced by the Namenode on
write. This prevents the creation of extremely large files which can
degrade performance.</description>