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https://issues.apache.org/jira/browse/HDFS-9144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15004595#comment-15004595
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Suresh Srinivas commented on HDFS-9144:
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[~bobhansen], it is very difficult to review a patch that mixes code changes
with large scale refactors. Please refactor the code separately. Such code is
very easy to review and commit.
[~wheat9], given it takes a long time to split this, can the patch be committed
as is or with minimal changes? I can help you with the review.
> Refactor libhdfs into stateful/ephemeral objects
> ------------------------------------------------
>
> Key: HDFS-9144
> URL: https://issues.apache.org/jira/browse/HDFS-9144
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Affects Versions: HDFS-8707
> Reporter: Bob Hansen
> Assignee: Bob Hansen
> Attachments: HDFS-9144.HDFS-8707.001.patch,
> HDFS-9144.HDFS-8707.002.patch
>
>
> In discussion for other efforts, we decided that we should separate several
> concerns:
> * A posix-like FileSystem/FileHandle object (stream-based, positional reads)
> * An ephemeral ReadOperation object that holds the state for
> reads-in-progress, which consumes
> * An immutable FileInfo object which holds the block map and file size (and
> other metadata about the file that we assume will not change over the life of
> the file)
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