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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8053) Move DFSIn/OutputStream and related classes to hadoop-hdfs-client
Date Thu, 24 Sep 2015 00:44:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14905583#comment-14905583

Mingliang Liu commented on HDFS-8053:

Thank you [~wheat9] for the comments. I'll address them as following briefly (unordered).

1. I filed new jira [HDFS-9130] to replace code that casts {{Log4JLogger}} with {{GenericTestUtils#setLogLevel}}
for all tests in {{hadoop-hdfs}}.
3. I also filed new jira [HDFS-9131] to move related config keys like {{DFS_CLIENT_HTRACE_PREFIX}}
from {{DFSConfigKeys}} to {{HdfsClientConfigKeys}}.
2. As to the second comment about {{IOUtilsClient#cleanup}}, I'll address them later after
this patch.

> Move DFSIn/OutputStream and related classes to hadoop-hdfs-client
> -----------------------------------------------------------------
>                 Key: HDFS-8053
>                 URL: https://issues.apache.org/jira/browse/HDFS-8053
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: build
>            Reporter: Haohui Mai
>            Assignee: Mingliang Liu
>         Attachments: HDFS-8053.000.patch
> This jira tracks the effort of moving the {{DFSInputStream}} and {{DFSOutputSream}} classes
from {{hadoop-hdfs}} to {{hadoop-hdfs-client}} module.
> Guidelines:
> * As the {{DFSClient}} is heavily coupled to these two classes, we should move it together.
> * Related classes should be addressed in separate jiras if they're independent and complex
> * The checkstyle warnings can be addressed in [HDFS-8979 | https://issues.apache.org/jira/browse/HDFS-8979]
> * Removing the _slf4j_ logger guards when calling {{LOG.debug()}} and {{LOG.trace()}}
can be addressed in [HDFS-8971 | https://issues.apache.org/jira/browse/HDFS-8971].

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