Yufei Gu created YARN-7967:
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Summary: Better doc and Java doc for Fair Scheduler Queue ACL
Key: YARN-7967
URL: https://issues.apache.org/jira/browse/YARN-7967
Project: Hadoop YARN
Issue Type: Improvement
Components: fairscheduler
Affects Versions: 3.1.0
Reporter: Yufei Gu
Wilfred mentioned that:
{quote}
Queue ACLs work bottom up. The first check is made at the leaf queue (in the
example above q2). If the ACL at that level does not allow access we go up one
level (here q1) and check that level. That process is repeated until we hit the
top in the form of the root queue. If at any level we are allowed to submit or
administer then the action is allowed and we stop reversing up the tree.
{quote}
Bottom up is a surprise behavior. Most queue related checking works top down.
We should add this into Fair Scheduler Doc. In addition, maybe link the doc to
Java Doc of AllocationFileLoaderService#getDefaultPermissions so that it won't
be too confusing.
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