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From w...@apache.org
Subject hadoop git commit: Revert "HDFS-5517. Lower the default maximum number of blocks per file. Contributed by Aaron T. Myers."
Date Tue, 29 Nov 2016 18:50:18 GMT
Repository: hadoop
Updated Branches:
  refs/heads/trunk 25f9872be -> b407d5319


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

This reverts commit 09451252fae90a3ec192b8d7f0c49508df65e8c5.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/b407d531
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/b407d531
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/b407d531

Branch: refs/heads/trunk
Commit: b407d5319597f01ebd51736e299239022bd08028
Parents: 25f9872
Author: Andrew Wang <wang@apache.org>
Authored: Tue Nov 29 10:50:10 2016 -0800
Committer: Andrew Wang <wang@apache.org>
Committed: Tue Nov 29 10:50:10 2016 -0800

----------------------------------------------------------------------
 .../src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java        | 2 +-
 .../hadoop-hdfs/src/main/resources/hdfs-default.xml                | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/b407d531/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
index df21857..d7d3c9d 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
@@ -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";

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b407d531/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
index 9fce84f..c9d74bb 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
@@ -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>


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