HDFS-7685. Document dfs.namenode.heartbeat.recheck-interval in hdfs-default.xml. Contributed by Kai Sasaki.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/70c1fa0b Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/70c1fa0b Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/70c1fa0b Branch: refs/heads/HDFS-7285 Commit: 70c1fa0b18639c2aab57efdbd427901c95f4a728 Parents: 4e95f98 Author: Akira Ajisaka <[email protected]> Authored: Fri Feb 27 12:17:34 2015 -0800 Committer: Zhe Zhang <[email protected]> Committed: Mon Mar 2 09:13:54 2015 -0800 ---------------------------------------------------------------------- hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt | 3 +++ .../hadoop-hdfs/src/main/resources/hdfs-default.xml | 11 +++++++++++ 2 files changed, 14 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/70c1fa0b/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 b2422d6..b4b0087 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt +++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt @@ -685,6 +685,9 @@ Release 2.7.0 - UNRELEASED HDFS-7308. Change the packet chunk size computation in DFSOutputStream in order to enforce packet size <= 64kB. (Takuya Fukudome via szetszwo) + HDFS-7685. Document dfs.namenode.heartbeat.recheck-interval in + hdfs-default.xml. (Kai Sasaki via aajisaka) + OPTIMIZATIONS HDFS-7454. Reduce memory footprint for AclEntries in NameNode. http://git-wip-us.apache.org/repos/asf/hadoop/blob/70c1fa0b/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 85d2273..66fe86c 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 @@ -145,6 +145,17 @@ </property> <property> + <name>dfs.namenode.heartbeat.recheck-interval</name> + <value>300000</value> + <description> + This time decides the interval to check for expired datanodes. + With this value and dfs.heartbeat.interval, the interval of + deciding the datanode is stale or not is also calculated. + The unit of this configuration is millisecond. + </description> +</property> + +<property> <name>dfs.http.policy</name> <value>HTTP_ONLY</value> <description>Decide if HTTPS(SSL) is supported on HDFS
