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HADOOP-16548 : Disable Flush() over config

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    ./constants/FileSystemConfigurations.java
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HADOOP-15691 Add PathCapabilities to FileSystem and FileContext.

Contributed by Steve Loughran.

This complements the StreamCapabilities Interface by allowing applications to probe for a specific path on a specific instance of a FileSystem client

to offer a specific capability.

This is intended to allow applications to determine

* Whether a method is implemented before calling it and dealing with UnsupportedOperationException.

* Whether a specific feature is believed to be available in the remote store.

As well as a common set of capabilities defined in CommonPathCapabilities,

file systems are free to add their own capabilities, prefixed with

fs. + schema + .

The plan is to identify and document more capabilities -and for file systems which add new features, for a declaration of the availability of the feature to always be available.

Note

* The remote store is not expected to be checked for the feature;

It is more a check of client API and the client's configuration/knowledge

of the state of the remote system.

* Permissions are not checked.

Change-Id: I80bfebe94f4a8bdad8f3ac055495735b824968f5

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HADOOP-16371: Option to disable GCM for SSL connections when running on Java 8.

Contributed by Sahil Takiar.

This moves the SSLSocketFactoryEx class from hadoop-azure into hadoop-common

as the DelegatingSSLSocketFactory and binds the S3A connector to it so that

it can avoid using those HTTPS algorithms which are underperformant on Java 8.

Change-Id: Ie9e6ac24deac1aa05e136e08899620efa7d22abd

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    ./constants/FileSystemConfigurations.java
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HADOOP-16315. ABFS: transform full UPN for named user in AclStatus

Contributed by Da Zhou

Change-Id: Ibc78322415fcbeff89c06c8586c53f5695550290

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HADOOP-16315. ABFS: transform full UPN for named user in AclStatus

Contributed by Da Zhou

Change-Id: Ibc78322415fcbeff89c06c8586c53f5695550290

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HADOOP-16315. ABFS: transform full UPN for named user in AclStatus

Contributed by Da Zhou

Change-Id: Ibc78322415fcbeff89c06c8586c53f5695550290

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HADOOP-16479. ABFS FileStatus.getModificationTime returns localized time instead of UTC.

Contributed by Bilahari T H

Change-Id: I532055baaadfd7c324710e4b25f60cdf0378bdc0

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HADOOP-16479. ABFS FileStatus.getModificationTime returns localized time instead of UTC.

Contributed by Bilahari T H

Change-Id: I532055baaadfd7c324710e4b25f60cdf0378bdc0

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HADOOP-16479. ABFS FileStatus.getModificationTime returns localized time instead of UTC.

Contributed by Bilahari T H

Change-Id: I532055baaadfd7c324710e4b25f60cdf0378bdc0

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HADOOP-16404. ABFS default blocksize change(256MB from 512MB)

Contributed by: Arun Singh

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    ./constants/FileSystemConfigurations.java
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HADOOP-16404. ABFS default blocksize change(256MB from 512MB)

Contributed by: Arun Singh

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    ./constants/FileSystemConfigurations.java
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HADOOP-16404. ABFS default blocksize change(256MB from 512MB)

Contributed by: Arun Singh

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    ./constants/FileSystemConfigurations.java
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HADOOP-16340. ABFS driver continues to retry on IOException responses from REST operations.

Contributed by Robert Levas.

This makes the HttpException constructor protected rather than public, so it is possible

to implement custom subclasses of this exception -exceptions which will not be retried.

Change-Id: Ie8aaa23a707233c2db35948784908b6778ff3a8f

HADOOP-16340. ABFS driver continues to retry on IOException responses from REST operations.

Contributed by Robert Levas.

This makes the HttpException constructor protected rather than public, so it is possible

to implement custom subclasses of this exception -exceptions which will not be retried.

Change-Id: Ie8aaa23a707233c2db35948784908b6778ff3a8f

HADOOP-16376. ABFS: Override access() to no-op.

Contributed by Da Zhou.

Change-Id: Ia0024bba32250189a87eb6247808b2473c331ed0

HADOOP-16376. ABFS: Override access() to no-op.

Contributed by Da Zhou.

Change-Id: Ia0024bba32250189a87eb6247808b2473c331ed0

HADOOP-16376. ABFS: Override access() to no-op.

Contributed by Da Zhou.

Change-Id: Ia0024bba32250189a87eb6247808b2473c331ed0

Revert "HADOOP-16050: s3a SSL connections should use OpenSSL"

This reverts commit b067f8acaa79b1230336900a5c62ba465b2adb28.

Change-Id: I584b050a56c0e6f70b11fa3f7db00d5ac46e7dd8

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    ./constants/FileSystemConfigurations.java
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HADOOP-16269. ABFS: add listFileStatus with StartFrom.

Author: Da Zhou

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HADOOP-16269. ABFS: add listFileStatus with StartFrom.

Author: Da Zhou

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HADOOP-16269. ABFS: add listFileStatus with StartFrom.

Author: Da Zhou

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HADOOP-16242. ABFS: add bufferpool to AbfsOutputStream.

Contributed by Da Zhou.

HADOOP-16242. ABFS: add bufferpool to AbfsOutputStream.

Contributed by Da Zhou.

(cherry picked from commit 1cef194a28086991cd39fb62092d2b2105ece57b)

HADOOP-16242. ABFS: add bufferpool to AbfsOutputStream.

Contributed by Da Zhou.

HADOOP-16205 Backport ABFS driver from trunk to branch 2.0: Fix build and test failures.

Contributed by Yuan Gao.

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HADOOP-16050: s3a SSL connections should use OpenSSL

(cherry picked from commit aebf229c175dfa19fff3b31e9e67596f6c6124fa)

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    ./constants/FileSystemConfigurations.java
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HADOOP-16182. Update abfs storage back-end with "close" flag when application is done writing to a file.

Contributed by Vishwajeet Dusane.

(cherry picked from commit 1edf1914acb74e45f6717c703f519cb382aae173)

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    ./services/AbfsOutputStream.java
HADOOP-16182. Update abfs storage back-end with "close" flag when application is done writing to a file.

Contributed by Vishwajeet Dusane.

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    ./services/AbfsOutputStream.java
HADOOP-16182. Update abfs storage back-end with "close" flag when application is done writing to a file.

Contributed by Vishwajeet Dusane.

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    ./services/AbfsOutputStream.java
HADOOP-16174. Disable wildfly logs to the console.

Follow-on to HADOOP-15851.

Author: Denes Gerencser <dgerencser@cloudera.com>

(cherry picked from commit ddede7ae6fbbadbe08861bc85a664b73d66f77c7)