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https://issues.apache.org/jira/browse/HDFS-4256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13525989#comment-13525989
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Suresh Srinivas commented on HDFS-4256:
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Some comments:
# In javadoc when referencing the parameter such srcs and target, use {@code
srcs}.
# Move editlog logging to outside the synchronized section
# Layouver version -33 is already taken. So please use -41 and reserve that in
LayoutVersion.java in trunk, using a separate jira.
# Not sure why DFSTestUtil.java changes are needed?
# It is better to mention the order in which blocks are concatenated to the
target.
> Support for concatenation of files into a single file in branch-1
> -----------------------------------------------------------------
>
> Key: HDFS-4256
> URL: https://issues.apache.org/jira/browse/HDFS-4256
> Project: Hadoop HDFS
> Issue Type: Test
> Components: namenode
> Affects Versions: 1.2.0
> Reporter: Suresh Srinivas
> Assignee: Sanjay Radia
> Attachments: HDFS-4256.patch
>
>
> HDFS-222 added support concatenation of multiple files in a directory into a
> single file. This helps several use cases where writes can be parallelized
> and several folks have expressed in this functionality.
> This jira intends to make changes equivalent from HDFS-222 into branch-1 to
> be made available release 1.2.0.
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