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https://issues.apache.org/jira/browse/HDFS-8924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14707809#comment-14707809
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Hudson commented on HDFS-8924:
------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #1026 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/1026/])
HDFS-8924. Add pluggable interface for reading replicas in DFSClient. (Colin
Patrick McCabe via Lei Xu) (lei: rev 7087e700e032dabc174ecc12b62c12e7d49b995f)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/ExternalBlockReader.java
*
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/ReplicaAccessorBuilder.java
*
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/impl/DfsClientConf.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestExternalBlockReader.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/BlockReaderFactory.java
* hadoop-hdfs-project/hadoop-hdfs-client/src/main/proto/datatransfer.proto
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/Op.java
*
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/ReplicaAccessor.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/Receiver.java
*
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/HdfsClientConfigKeys.java
> Add pluggable interface for reading replicas in DFSClient
> ---------------------------------------------------------
>
> Key: HDFS-8924
> URL: https://issues.apache.org/jira/browse/HDFS-8924
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs-client
> Affects Versions: 2.8.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Fix For: 3.0.0, 2.8.0
>
> Attachments: HDFS-8924.001.patch, HDFS-8924.002.patch
>
>
> We should add a pluggable interface for reading replicas in the DFSClient.
> This could be used to implement short-circuit reads on systems without file
> descriptors, or for other optimizations.
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