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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9729) Use null to replace DataNode.EMPTY_DEL_HINT
Date Mon, 01 Feb 2016 08:42:39 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo Nicholas Sze updated HDFS-9729:
--------------------------------------
    Status: Patch Available  (was: Open)

> Use null to replace DataNode.EMPTY_DEL_HINT
> -------------------------------------------
>
>                 Key: HDFS-9729
>                 URL: https://issues.apache.org/jira/browse/HDFS-9729
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>            Priority: Minor
>         Attachments: h9729_20160201.patch
>
>
> When a delete-hint is unavailable, the current code may use null or DataNode.EMPTY_DEL_HINT
as a default value.  Let's uniformly use null for an empty delele-hint.



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