Vinayakumar B created HDFS-7582:
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Summary: Limit the number of default ACL entries to Half of
maximum entries (16)
Key: HDFS-7582
URL: https://issues.apache.org/jira/browse/HDFS-7582
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Reporter: Vinayakumar B
Assignee: Vinayakumar B
Current ACL limits are only on the total number of entries.
But there can be a situation where number of default entries for a directory
will be more than half of the maximum entries, i.e. > 16.
In such case, under this parent directory only files can be created which will
have ACLs inherited using parent's default entries.
But when directories are created, total number of entries will be more than the
maximum allowed, because sub-directories copies both inherited ACLs as well as
default entries. and hence directory creation fails.
So it would be better to restrict the default entries to 16.
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