hadoop-hdfs-client

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HDFS-14648. Implement DeadNodeDetector basic model. Contributed by Lisheng Sun.

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    ./src/main/java/org/apache/hadoop/hdfs/DeadNodeDetector.java
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HDFS-14384. When lastLocatedBlock token expire, it will take 1~3s second to refetch it. Contributed by Surendra Singh Lilhore.

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HDFS-14308. DFSStripedInputStream curStripeBuf is not freed by unbuffer() (#1667)

Reviewed-by: Aravindan Vijayan <avijayan@cloudera.com>

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

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

HDFS-11934. Add assertion to TestDefaultNameNodePort#testGetAddressFromConf. Contributed by Nikhil Navadiya.

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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HDFS-14837. Review of Block.java. Contributed by David Mollitor.

HADOOP-16558. [COMMON+HDFS] use protobuf-maven-plugin to generate protobuf classes (#1494). Contributed by Vinayakumar B.

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    ./src/main/proto/ClientDatanodeProtocol.proto
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    ./src/main/proto/ClientNamenodeProtocol.proto
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    ./src/main/proto/ReconfigurationProtocol.proto
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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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HDFS-14807. SetTimes updates all negative values apart from -1. Contributed by Ayush Saxena.

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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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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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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-8631. WebHDFS : Support setQuota. Contributed by Chao Sun.

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HDFS-14772. RBF: hdfs-rbf-site.xml can't be loaded automatically. Contributed by Yuxuan Wang

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HDFS-14583. FileStatus#toString() will throw IllegalArgumentException. Contributed by xuzq.

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HDFS-14714. RBF: implement getReplicatedBlockStats interface. Contributed by Chen Zhang.

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HDFS-14759. HDFS cat logs an info message. Contributed by Eric Badger.

HDFS-13201. Fix prompt message in testPolicyAndStateCantBeNull. Contributed by chencan.

HDFS-14678. Allow triggerBlockReport to a specific namenode. (#1252). Contributed by Leon Gao.

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    ./src/main/proto/ClientDatanodeProtocol.proto
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HDFS-14595. HDFS-11848 breaks API compatibility. Contributed by Siyao Meng.

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

Reviewed-by: Ayush Saxena <ayushsaxena@apache.org>

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HDFS-14423. Percent (%) and plus (+) characters no longer work in WebHDFS.

Signed-off-by: Masatake Iwasaki <iwasakims@apache.org>

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HDFS-14701. Change Log Level to warn in SlotReleaser. Contributed by Lisheng Sun.

HDFS-14462 Ensure WebHDFS client throws the correct exception during writes. Contributed by Simbarashe Dzinamarira.

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HDFS-14686. HttpFS: HttpFSFileSystem#getErasureCodingPolicy always returns null (#1192) Contributed by Siyao Meng.

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HDFS-14034. Support getQuotaUsage API in WebHDFS. Contributed by Chao Sun.

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

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