[HDFS-9012] Move o.a.h.hdfs.protocol.datatransfer.PipelineAck class to hadoop-hdfs-client module

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: build
• Target Version/s: 2.8.0
• Hadoop Flags: Reviewed
• Assignee: Mingliang Liu
• Reporter: Mingliang Liu
• Created: 03/Sep/15 02:01
• Updated: 30/Aug/16 01:28
• Resolved: 04/Sep/15 17:43

Description

The package org.apache.hadoop.hdfs.protocol.datatransfer.PipelineAck class is used in client module classes (e.g. DataStreamer$ResponseProcessor in DFSInputStream and DFSOutputStream). This jira tracks the effort of moving this class to hadoop-hdfs-client module.

We should keep the static attribute OOB_TIMEOUT and helper method getOOBTimeout in the hadoop-hdfs module as they're not used (by now) in hadoop-hdfs-client module. Meanwhile, we don't create the HdfsConfiguration statically if we can pass the correct conf object.

The checkstyle warnings can be addressed in HDFS-8979.

Issue Links

• blocks: HDFS-8053 Move DFSIn/OutputStream and related classes to hadoop-hdfs-client