Author: gourksaha
Date: Wed Nov 12 07:14:38 2014
New Revision: 1638708
URL: http://svn.apache.org/r1638708
Log:
NN reference document and some polishing
Modified:
incubator/slider/site/trunk/content/docs/high_availability.md
Modified: incubator/slider/site/trunk/content/docs/high_availability.md
URL:
http://svn.apache.org/viewvc/incubator/slider/site/trunk/content/docs/high_availability.md?rev=1638708&r1=1638707&r2=1638708&view=diff
==============================================================================
--- incubator/slider/site/trunk/content/docs/high_availability.md (original)
+++ incubator/slider/site/trunk/content/docs/high_availability.md Wed Nov 12
07:14:38 2014
@@ -16,16 +16,15 @@ Notice: Licensed to the Apache Softwa
specific language governing permissions and limitations
under the License.
-# High Availability: Setup Resource Manager HA, Name Node HA, work preserving
Resource Manager restart and work preserving Node Manager restart.
+# High Availability:
+###Setup Resource Manager HA, Name Node HA, Work Preserving Resource Manager
restart and Work Preserving Node Manager restart
-Setting up High Availability ensures uninterrupted service provided
-by long running applications installed by Slider in the event of any or all of
Resource Manager, Name Node
-and Node Manager failure. This document provides
-details on how to configure YARN's RM HA.
+Setting up High Availability ensures uninterrupted service provided by long
running applications
+installed by Slider in the event of any or all of the following YARN component
failures - Resource Manager,
+Name Node and Node Manager. This document provides details on how to configure
YARN properties to
+achieve the corresponding high availability setup.
-Following are required to be set as YARN properties in order to setup:
-
-### Resource Manager HA
+### Resource Manager HA (automatic)
<property>
<name>yarn.resourcemanager.ha.enabled</name>
@@ -95,7 +94,9 @@ Following are required to be set as YARN
### Name Node HA
- TODO
+ Setting up NN HA is outside the scope of this document. Please refer to this
+[HDFS HA document
(r2.5.0)](http://hadoop.apache.org/docs/r2.5.0/hadoop-project-dist/hadoop-hdfs/HDFSHighAvailabilityWithQJM.html)
+for setup details.
### Work Preserving RM Restart
