The Queue Manager UI enables you to edit previously created placement
rules.
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In Cloudera Manager, select YARN Queue Manager UI.
A graphical queue hierarchy is displayed in the Overview
tab.
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Go to the Placement Rules tab.
A list of placement rules is displayed.
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In the Action column click on the Edit
rule icon in the row of the placement rule you want to edit.
The Edit Placement Rule dialog box is
displayed.
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Edit the placement rule.
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Click Save.