Bug 617252 - add autoregroup information
Summary: add autoregroup information
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise MRG
Classification: Red Hat
Component: Grid_User_Guide
Version: 1.2
Hardware: All
OS: Linux
medium
medium
Target Milestone: 1.3
: ---
Assignee: Lana Brindley
QA Contact: Lubos Trilety
URL:
Whiteboard:
Keywords:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2010-07-22 15:24 UTC by Jon Thomas
Modified: 2013-10-23 23:17 UTC (History)
2 users (show)

(edit)
Clone Of:
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Last Closed: 2010-10-14 20:14:48 UTC


Attachments (Terms of Use)

Description Jon Thomas 2010-07-22 15:24:26 UTC
We need to add some text to describe autoregroup behavior for users with no group and submitters to internal nodes.

http://documentation-stage.bne.redhat.com/docs/en-US/Red_Hat_Enterprise_MRG/1.3/html/Grid_User_Guide/sect-Grid_User_Guide-User_Priorities_and_Negotiation-Hierarchical_Fair_Share_HFS.html

change 

2) The autoregroup feature allows groups to use quota that is unused by other groups. To enable autoregroup for a group, set the GROUP_AUTOREGROUP_group configuration variable to TRUE. Autoregroup works in a hierarchy. Subgroups with the same parent get first chance at slots that are unused by their subgroup peers. If these slots cannot by used, they are passed up the group hierarchy, as long as autoregroup = TRUE is enabled at the higher levels: 

to

2) The autoregroup feature allows groups to use quota that is unused by other groups. To enable autoregroup for a group, set the GROUP_AUTOREGROUP_group configuration variable to TRUE. Autoregroup works in a hierarchy. Subgroups with the same parent get first chance at slots that are unused by their subgroup peers. If these slots cannot by used, they are passed up the group hierarchy, as long as autoregroup = TRUE is enabled at the higher levels. There are two situations where behavior is slightly different. The first situation is submitters who do not submit jobs with "+Accounting_Group". These submitters fall into a pool that has autoregroup=true behavior. Note that these jobs will not run unless the top level group quotas sum to less than 1.0. The second situation is submitters against groups that have children groups. This pool also will exhibit autoregroup = true behavior. The extend to which these submitters can claim unused slots is determined by the parent group's autoregroup hierarchy.

Comment 1 Lana Brindley 2010-08-25 02:48:42 UTC
Added:

<para>
	This behavior is slightly different in two situations:
</para>
	<itemizedlist>
		<listitem>
			<para>
				Where a job is not submitted with <parameter>+Accounting_Group</parameter> specified. These jobs fall into a pool that has <command>autoregroup = true</command> set. These jobs will not run unless the top level group quotas sum to less than 1.0.
			</para>
		</listitem>
		<listitem>
			<para>
				Where a job is submitted against a group that has children groups. This pool will exhibit <command>autoregroup = true</command> behavior. The extent to which these submitters can claim unused slots is determined by the parent group's autoregroup hierarchy.
			</para>
		</listitem>
	</itemizedlist>

LKB

Comment 2 Lubos Trilety 2010-09-02 14:00:14 UTC
Chapter HFS item 2 was checked.

>>> VERIFIED


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