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From s..@apache.org
Subject [30/50] [abbrv] hadoop git commit: HDFS-13950. ACL documentation update to indicate that ACL entries are capped by 32. Contributed by Adam Antal.
Date Fri, 05 Oct 2018 22:06:59 GMT
HDFS-13950. ACL documentation update to indicate that ACL entries are capped by 32. Contributed
by Adam Antal.

Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/cc2babc1
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/cc2babc1
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/cc2babc1

Branch: refs/heads/HDFS-12943
Commit: cc2babc1f75c93bf89a8f10da525f944c15d02ea
Parents: 396ce0d
Author: Adam Antal <adam.antal@cloudera.com>
Authored: Thu Oct 4 15:20:41 2018 -0700
Committer: Wei-Chiu Chuang <weichiu@apache.org>
Committed: Thu Oct 4 15:22:44 2018 -0700

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 .../hadoop-hdfs/src/site/markdown/HdfsPermissionsGuide.md          | 2 ++
 1 file changed, 2 insertions(+)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/cc2babc1/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HdfsPermissionsGuide.md
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HdfsPermissionsGuide.md b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HdfsPermissionsGuide.md
index 82b5cec..a4a3b7d 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HdfsPermissionsGuide.md
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HdfsPermissionsGuide.md
@@ -221,6 +221,8 @@ Note that the copy occurs at time of creation of the new file or sub-directory.
 
 The default ACL must have all minimum required ACL entries, including the unnamed user (file
owner), unnamed group (file group) and other entries. If the user doesn't supply one of these
entries while setting a default ACL, then the entries are inserted automatically by copying
the corresponding permissions from the access ACL, or permission bits if there is no access
ACL. The default ACL also must have mask. As described above, if the mask is unspecified,
then a mask is inserted automatically by calculating the union of permissions on all entries
that would be filtered by the mask.
 
+Note that you can not have unlimited amount of ACL entries for a given file or directory.
The maximum number is 32 for access and 32 for default entries which is 64 in total.
+
 When considering a file that has an ACL, the algorithm for permission checks changes to:
 
 * If the user name matches the owner of file, then the owner


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