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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9372) Remove dead code in DataStorage.recoverTransitionRead
Date Thu, 05 Nov 2015 18:16:27 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Haohui Mai updated HDFS-9372:
-----------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 2.8.0
           Status: Resolved  (was: Patch Available)

I've committed the patch to trunk and branch-2. Thanks [~Apache9] for the contribution.

> Remove dead code in DataStorage.recoverTransitionRead
> -----------------------------------------------------
>
>                 Key: HDFS-9372
>                 URL: https://issues.apache.org/jira/browse/HDFS-9372
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.8.0
>
>         Attachments: HDFS-9372-v0.patch, HDFS-9372-v1.patch
>
>
> {code:title=DataStorage.java}
>     if (this.initialized) {
>       LOG.info("DataNode version: " + HdfsServerConstants.DATANODE_LAYOUT_VERSION
>           + " and NameNode layout version: " + nsInfo.getLayoutVersion());
>       this.storageDirs = new ArrayList<StorageDirectory>(dataDirs.size());
>       // mark DN storage is initialized
>       this.initialized = true;
>     }
> {code}
> The first if should be {{!this.initialized}} I think?



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