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https://issues.apache.org/jira/browse/YARN-10198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17060683#comment-17060683
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Akhil PB commented on YARN-10198:
---------------------------------
Expected behavior:
# *[managedParent].%primary_group*
** Should not create queue name *%primary_group* under *[managedParent]* if
leaf queue named *%primary_group* already exists.
** Should create new child queue under *[managedParent]* if leaf queue named
*%primary_group* does not exists.
# *[managedParent].%secondary_group*
** Should not create queue name *%secondary_group* under *[managedParent]* if
leaf queue named *%secondary_group* already exists.
** Should create new child queue under *[managedParent]* if leaf queue named
*%secondary_group* does not exists.
Note that for current static mappings like *u:%user:%primary_group* and
*u:%user:%secondary_group*, following is the behavior and works as expected.
# *u:%user:%primary_group*
** App submitted when leaf queue named *%primary_group*( is present
** App failed when leaf queue named *%primary_group* is not present or stopped
# *u:%user:%secondary_group*
** App submitted when leaf queue named *%secondary_group* is present
** App submitted to "default" queue when leaf queue named *%secondary_group* is
not present
Please share your thoughts if I am missing something.
cc: [~sunilg] [~prabhujoseph] [~pbacsko]
> [managedParent].%primary_group mapping rule doesn't work after YARN-9868
> ------------------------------------------------------------------------
>
> Key: YARN-10198
> URL: https://issues.apache.org/jira/browse/YARN-10198
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler
> Reporter: Peter Bacsko
> Assignee: Peter Bacsko
> Priority: Major
>
> YARN-9868 introduced an unnecessary check if we have the following placement
> rule:
> [managedParentQueue].%primary_group
> Here, {{%primary_group}} is expected to be created if it doesn't exist.
> However, there is this validation code which is not necessary:
> {noformat}
> } else if (mapping.getQueue().equals(PRIMARY_GROUP_MAPPING)) {
> if (this.queueManager
> .getQueue(groups.getGroups(user).get(0)) != null) {
> return getPlacementContext(mapping,
> groups.getGroups(user).get(0));
> } else {
> return null;
> }
> {noformat}
> We should revert this part to the original version:
> {noformat}
> } else if (mapping.queue.equals(PRIMARY_GROUP_MAPPING)) {
> return getPlacementContext(mapping,
> groups.getGroups(user).get(0));
> }
> {noformat}
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