Apache
/
hadoop
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

HDFS-7685. Document dfs.namenode.heartbeat.recheck-interval in hdfs-default.xml. Contributed by Kai Sasaki.

This commit is contained in:
Akira Ajisaka 2015-02-27 12:17:34 -08:00
parent 01a1621930
commit 8719cdd4f6
2 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
View File

@ -685,6 +685,9 @@ Release 2.7.0 - UNRELEASED
HDFS-7308. Change the packet chunk size computation in DFSOutputStream in HDFS-7308. Change the packet chunk size computation in DFSOutputStream in
order to enforce packet size <= 64kB. (Takuya Fukudome via szetszwo) 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 OPTIMIZATIONS
HDFS-7454. Reduce memory footprint for AclEntries in NameNode. HDFS-7454. Reduce memory footprint for AclEntries in NameNode.

11
hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
View File

@ -144,6 +144,17 @@
</description> </description>
</property> </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> <property>
<name>dfs.http.policy</name> <name>dfs.http.policy</name>
<value>HTTP_ONLY</value> <value>HTTP_ONLY</value>