Minimum Required Role:Configurator (also provided by
Cluster Administrator,Limited Cluster Administrator , and
Full Administrator)
The Stale Configurations page provides differential views of changes made
in a cluster. For any configuration change, the page contains entries of
all affected attributes. For example, the following File entry shows the
change to the file hdfs-site.xml when you update the
property controlling how much disk space is reserved for non-HDFS use on
each DataNode:
To display the entities affected by a change, click the Show
button at the right of the entry. The following dialog box shows that
three DataNodes were affected by the disk space change:
Viewing Stale Configurations
To view stale configurations, click the , , or
indicator next to a service on the Cloudera Manager Admin Console
Home page or on a service status page.
Attribute Categories
The categories of attributes include:
Environment - represents environment variables set for the
role. For example, the following entry shows the change to the
environment that occurs when you update the heap memory configuration
of the SecondaryNameNode.
Files - represents configuration files used by the role.
Process User & Group - represents the user and group for the role.
Every role type has a configuration to specify the user/group for the
process. If you change a value for a user or group on any service's
configuration page it will appear in the Stale Configurations page.
System Resources - represents system resources allocated for the role,
including ports, directories, and cgroup limits. For example, a change
to the port of role instance will appear in the System Resources
category.
You filter the entries on the Stale Configurations page by selecting from one of
the drop-down lists:
Attribute - you can filter by an attribute category such as All Files or
by a specific file such as topology.map or
yarn-site.xml.
Service
Role
After you make a selection, both the page and the drop-down show only entries
that match that selection.
To reset the view, click Remove Filter or select AllXXX, where XXX is Files, Services,
or Roles, from the drop-down. For example, to see all the files, select
All Files.
Stale Configuration
Actions
The Stale Configurations page displays action buttons. The
action depends on what is required to bring the entire cluster's
configuration up to date. If you go to the page by clicking a (Refresh Needed) indicator, the action button will
say Restart Stale Services if one of the roles listed on the
page need to be restarted.
Refresh Stale Services - Refreshes stale services.
, 
, or
indicator next to a service on the Cloudera Manager Admin Console
Home page or on a service status page. 
