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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 17:37:13 GMT
Repository: hadoop
Updated Branches:
  refs/heads/branch-2 8a9440298 -> 728623242


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


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/72862324
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/72862324
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/72862324

Branch: refs/heads/branch-2
Commit: 728623242f47c6bffb46cfcc8f3425b58c1fde3a
Parents: 8a94402
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 10:37:08 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/72862324/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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