Steve Loughran a75f2915f9 HADOOP-17199. S3A Directory Marker HADOOP-13230 backport
This backports the listing-side changes of HADOOP-13230.

With this patch in, this branch of Hadoop is compatible with S3A clients
which do not delete directory markers when files are created underneath.

It does not allow this version to disable marker deletion; if the
fs.s3a.marker.retention option is changed to request this, a message
is printed at INFO and the policy remains at "delete"

The s3guard bucket-info command has been extended to support
probing for marker retention, as has the hasPathCapability method on
S3AFileSystem.

Read the documentation!

Change-Id: Ief23c39256b194abcc445231b5f7a018185ea9f6
2020-09-03 18:29:30 +01:00

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   http://wiki.apache.org/hadoop/

This distribution includes cryptographic software.  The country in 
which you currently reside may have restrictions on the import, 
possession, use, and/or re-export to another country, of 
encryption software.  BEFORE using any encryption software, please 
check your country's laws, regulations and policies concerning the
import, possession, or use, and re-export of encryption software, to 
see if this is permitted.  See <http://www.wassenaar.org/> for more
information.

The U.S. Government Department of Commerce, Bureau of Industry and
Security (BIS), has classified this software as Export Commodity 
Control Number (ECCN) 5D002.C.1, which includes information security
software using or performing cryptographic functions with asymmetric
algorithms.  The form and manner of this Apache Software Foundation
distribution makes it eligible for export under the License Exception
ENC Technology Software Unrestricted (TSU) exception (see the BIS 
Export Administration Regulations, Section 740.13) for both object 
code and source code.

The following provides more details on the included cryptographic
software:
  Hadoop Core uses the SSL libraries from the Jetty project written 
by mortbay.org.
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