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HDFS-14509. DN throws InvalidToken due to inequality of password when upgrade NN 2.x to 3.x. Contributed by Yuxuan Wang and Konstantin Shvachko.

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HDFS-14373. EC : Decoding is failing when block group last incomplete cell fall in to AlignedStripe. Contributed by Surendra Singh Lilhore.

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    ./apache/hadoop/hdfs/StripeReader.java
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    ./apache/hadoop/hdfs/util/StripedBlockUtil.java
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HDFS-14162. [SBN read] Allow Balancer to work with Observer node. Add a new ProxyCombiner allowing for multiple related protocols to be combined. Allow AlignmentContext to be passed in NameNodeProxyFactory. Contributed by Erik Krogen.

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HDFS-14509. DN throws InvalidToken due to inequality of password when upgrade NN 2.x to 3.x. Contributed by Yuxuan Wang and Konstantin Shvachko.

(cherry picked from commit 72ae371e7a6695f45f0d9cea5ae9aae83941d360)

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HDFS-14509. DN throws InvalidToken due to inequality of password when upgrade NN 2.x to 3.x. Contributed by Yuxuan Wang and Konstantin Shvachko.

  1. … 1 more file in changeset.
HDFS-14509. DN throws InvalidToken due to inequality of password when upgrade NN 2.x to 3.x. Contributed by Yuxuan Wang and Konstantin Shvachko.

(cherry picked from commit 72ae371e7a6695f45f0d9cea5ae9aae83941d360)

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HDFS-14373. EC : Decoding is failing when block group last incomplete cell fall in to AlignedStripe. Contributed by Surendra Singh Lilhore.

(cherry picked from commit 382967be51052d59e31d8d05713645b8d3c2325b)

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    ./apache/hadoop/hdfs/StripeReader.java
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    ./apache/hadoop/hdfs/util/StripedBlockUtil.java
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HDFS-14373. EC : Decoding is failing when block group last incomplete cell fall in to AlignedStripe. Contributed by Surendra Singh Lilhore.

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    ./apache/hadoop/hdfs/StripeReader.java
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    ./apache/hadoop/hdfs/util/StripedBlockUtil.java
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HDFS-14564: Add libhdfs APIs for readFully; add readFully to ByteBufferPositionedReadable (#963) Contributed by Sahil Takiar.

Reviewed-by: Siyao Meng <smeng@cloudera.com>

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    ./apache/hadoop/hdfs/DFSInputStream.java
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HDFS-14785. [SBN read] Change client logging to be less aggressive. Contributed by Chen Liang.

HDFS-14785. [SBN read] Change client logging to be less aggressive. Contributed by Chen Liang.

HDFS-14785. [SBN read] Change client logging to be less aggressive. Contributed by Chen Liang.

HDFS-14785. [SBN read] Change client logging to be less aggressive. Contributed by Chen Liang.

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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    ./apache/hadoop/hdfs/DistributedFileSystem.java
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    ./apache/hadoop/hdfs/client/DfsPathCapabilities.java
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    ./apache/hadoop/hdfs/web/WebHdfsFileSystem.java
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HDFS-14837. Review of Block.java. Contributed by David Mollitor.

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    ./apache/hadoop/hdfs/protocol/Block.java
HDFS-14844. Make buffer of BlockReaderRemote#newBlockReader#BufferedOutputStream configurable. Contributed by Lisheng Sun.

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HADOOP-16557. [pb-upgrade] Upgrade protobuf.version to 3.7.1 (#1432)

HADOOP-16557. [pb-upgrade] Upgrade protobuf.version to 3.7.1. Contributed by Vinayakumar B.

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Revert "HDFS-14759. HDFS cat logs an info message."

This reverts commit 8fdf0dc6ffa9411d5fc5788a7dc744a69eccc14d.

Revert "HDFS-14759. HDFS cat logs an info message."

This reverts commit cd2785ceb1bca693bc083060adf8aac149310c6a.

HDFS-14611. Move handshake secret field from Token to BlockAccessToken. Contributed by Chen Liang

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HDFS-14807. SetTimes updates all negative values apart from -1. Contributed by Ayush Saxena.

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Revert "HDFS-14706. Checksums are not checked if block meta file is less than 7 bytes. Contributed by Stephen O'Donnell."

This reverts commit d42b48d4d0aa08f7570c0f3a80e7fbf58833a6b2.

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    ./apache/hadoop/hdfs/DFSOutputStream.java
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Revert "HDFS-14706. Checksums are not checked if block meta file is less than 7 bytes. Contributed by Stephen O'Donnell."

This reverts commit 9c0d6e16573a055665318bce8f7d38a92c897393.

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    ./apache/hadoop/hdfs/DFSOutputStream.java
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HDFS-14706. Checksums are not checked if block meta file is less than 7 bytes. Contributed by Stephen O'Donnell.

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

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HDFS-14706. Checksums are not checked if block meta file is less than 7 bytes. Contributed by Stephen O'Donnell.

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

(cherry picked from commit 915cbc91c0a12cc7b4d3ef4ea951941defbbcb33)

(cherry picked from commit 2c7f49743fba587e32398c81412db9eac426cf98)

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HDFS-14706. Checksums are not checked if block meta file is less than 7 bytes. Contributed by Stephen O'Donnell.

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

(cherry picked from commit 915cbc91c0a12cc7b4d3ef4ea951941defbbcb33)

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Revert "HDFS-14706. Checksums are not checked if block meta file is less than 7 bytes. Contributed by Stephen O'Donnell."

This reverts commit 7bebad61d9c3dbff81fdcf243585fd3e9ae59dde.

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    ./apache/hadoop/hdfs/DFSOutputStream.java
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HDFS-14706. Checksums are not checked if block meta file is less than 7 bytes. Contributed by Stephen O'Donnell.

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

(cherry picked from commit 7bebad61d9c3dbff81fdcf243585fd3e9ae59dde)

(cherry picked from commit 9c0d6e16573a055665318bce8f7d38a92c897393)

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    ./apache/hadoop/hdfs/DFSOutputStream.java
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HDFS-14706. Checksums are not checked if block meta file is less than 7 bytes. Contributed by Stephen O'Donnell.

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

(cherry picked from commit 7bebad61d9c3dbff81fdcf243585fd3e9ae59dde)

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    ./apache/hadoop/hdfs/DFSOutputStream.java
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HDFS-14706. Checksums are not checked if block meta file is less than 7 bytes. Contributed by Stephen O'Donnell.

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

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    ./apache/hadoop/hdfs/DFSOutputStream.java
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