Wei-Chiu Chuang created HDFS-14194:
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Summary: Mention HDFS ACL incompatible changes more explicitly
Key: HDFS-14194
URL: https://issues.apache.org/jira/browse/HDFS-14194
Project: Hadoop HDFS
Issue Type: Improvement
Components: documentation, namenode
Affects Versions: 3.0.0-beta1
Reporter: Wei-Chiu Chuang
HDFS-11957 enabled POSIX ACL inheritance by default, setting
dfs.namenode.posix.acl.inheritance.enabled.
Even though it was documented in the ACL doc, it is not explicit. Users upgrade
to Hadoop 3.0 and beyond will be caught in surprise. The doc should be updated
to make it clear, preferably with examples to show what to expect, so that
search engines can hopefully find the doc.
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