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 <[email protected]> Authored: Mon Sep 29 09:01:43 2014 -0700 Committer: Allen Wittenauer <[email protected]> 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(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/84b9c632/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt ---------------------------------------------------------------------- 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 ---------------------------------------------------------------------- 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>
