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Posted to common-commits@hadoop.apache.org by ar...@apache.org on 2014/09/29 23:02:16 UTC
[07/15] git commit: HDFS-4227. Document dfs.namenode.resource.*
(Daisuke Kobayashi via aw)
HDFS-4227. Document dfs.namenode.resource.* (Daisuke Kobayashi via aw)
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/84b9c632
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/84b9c632
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/84b9c632
Branch: refs/heads/HDFS-6581
Commit: 84b9c632bf82fcbc4023f8a52409e3b4060dc153
Parents: 9829f9f
Author: Allen Wittenauer <aw...@apache.org>
Authored: Mon Sep 29 09:01:43 2014 -0700
Committer: Allen Wittenauer <aw...@apache.org>
Committed: Mon Sep 29 09:01:43 2014 -0700
----------------------------------------------------------------------
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt | 2 ++
.../src/main/resources/hdfs-default.xml | 38 ++++++++++++++++++++
2 files changed, 40 insertions(+)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/84b9c632/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 767e11f0..e59ccd5 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -981,6 +981,8 @@ Release 2.6.0 - UNRELEASED
HDFS-6664. HDFS permissions guide documentation states incorrect default
group mapping class. (Ray Chiang via aw)
+ HDFS-4227. Document dfs.namenode.resource.* (Daisuke Kobayashi via aw)
+
Release 2.5.1 - 2014-09-05
INCOMPATIBLE CHANGES
http://git-wip-us.apache.org/repos/asf/hadoop/blob/84b9c632/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
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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 1cc68f4..adc80a2 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
@@ -634,6 +634,44 @@
</property>
<property>
+ <name>dfs.namenode.resource.check.interval</name>
+ <value>5000</value>
+ <description>
+ The interval in milliseconds at which the NameNode resource checker runs.
+ The checker calculates the number of the NameNode storage volumes whose
+ available spaces are more than dfs.namenode.resource.du.reserved, and
+ enters safemode if the number becomes lower than the minimum value
+ specified by dfs.namenode.resource.checked.volumes.minimum.
+ </description>
+</property>
+
+<property>
+ <name>dfs.namenode.resource.du.reserved</name>
+ <value>104857600</value>
+ <description>
+ The amount of space to reserve/require for a NameNode storage directory
+ in bytes. The default is 100MB.
+ </description>
+</property>
+
+<property>
+ <name>dfs.namenode.resource.checked.volumes</name>
+ <value></value>
+ <description>
+ A list of local directories for the NameNode resource checker to check in
+ addition to the local edits directories.
+ </description>
+</property>
+
+<property>
+ <name>dfs.namenode.resource.checked.volumes.minimum</name>
+ <value>1</value>
+ <description>
+ The minimum number of redundant NameNode storage volumes required.
+ </description>
+</property>
+
+<property>
<name>dfs.datanode.balance.bandwidthPerSec</name>
<value>1048576</value>
<description>