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From w...@apache.org
Subject hadoop git commit: HDFS-10488. Update WebHDFS documentation regarding CREATE and MKDIR default permissions. Contributed by Wellington Chevreuil.
Date Thu, 07 Jul 2016 17:37:24 GMT
Repository: hadoop
Updated Branches:
  refs/heads/branch-2.8 4fba09d7e -> f826d9290


HDFS-10488. Update WebHDFS documentation regarding CREATE and MKDIR default permissions. Contributed
by Wellington Chevreuil.

(cherry picked from commit 647b084738b26dcf0c0c4afa4ec3039e6aca2d61)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/f826d929
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/f826d929
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/f826d929

Branch: refs/heads/branch-2.8
Commit: f826d929093740e1369e9c3a8bbafe9e79a11308
Parents: 4fba09d
Author: Andrew Wang <wang@apache.org>
Authored: Thu Jul 7 10:36:18 2016 -0700
Committer: Andrew Wang <wang@apache.org>
Committed: Thu Jul 7 10:37:16 2016 -0700

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md | 4 ++++
 1 file changed, 4 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/f826d929/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md
index 7adcc99..1c346b0 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md
@@ -344,6 +344,8 @@ File and Directory Operations
         Location: webhdfs://<HOST>:<PORT>/<PATH>
         Content-Length: 0
 
+If no permissions are specified, the newly created file will be assigned with default 755
permission. This also applies for new directories. No umask mode will be applied from server
side (so "fs.permissions.umask-mode" value configuration set on Namenode side will have no
effect).
+
 **Note** that the reason of having two-step create/append is for preventing clients to send
out data before the redirect. This issue is addressed by the "`Expect: 100-continue`" header
in HTTP/1.1; see [RFC 2616, Section 8.2.3](http://www.w3.org/Protocols/rfc2616/rfc2616-sec8.html#sec8.2.3).
Unfortunately, there are software library bugs (e.g. Jetty 6 HTTP server and Java 6 HTTP client),
which do not correctly implement "`Expect: 100-continue`". The two-step create/append is a
temporary workaround for the software library bugs.
 
 See also: [`overwrite`](#Overwrite), [`blocksize`](#Block_Size), [`replication`](#Replication),
[`permission`](#Permission), [`buffersize`](#Buffer_Size), [FileSystem](../../api/org/apache/hadoop/fs/FileSystem.html).create
@@ -423,6 +425,8 @@ See also: [`offset`](#Offset), [`length`](#Length), [`buffersize`](#Buffer_Size)
 
         {"boolean": true}
 
+If no permissions are specified, the newly created directory will be assigned with default
755 permission. This also applies to new files created. No umask mode will be applied from
server side (so "fs.permissions.umask-mode" value configuration set on Namenode side will
have no effect).
+
 See also: [`permission`](#Permission), [FileSystem](../../api/org/apache/hadoop/fs/FileSystem.html).mkdirs
 
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