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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4544) Error in deleting blocks should not do check disk, for all types of errors
Date Tue, 05 Mar 2013 23:44:14 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal updated HDFS-4544:
--------------------------------

    Affects Version/s: 2.0.3-alpha
    
> Error in deleting blocks should not do check disk, for all types of errors
> --------------------------------------------------------------------------
>
>                 Key: HDFS-4544
>                 URL: https://issues.apache.org/jira/browse/HDFS-4544
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 1.1.1, 2.0.3-alpha
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Arpit Agarwal
>             Fix For: 1.2.0
>
>         Attachments: HDFS-4544.branch-1.1.patch, HDFS-4544.patch, HDFS-4544.trunk.1.patch
>
>
> The following code in Datanode.java 
> {noformat}
>       try {
>         if (blockScanner != null) {
>           blockScanner.deleteBlocks(toDelete);
>         }
>         data.invalidate(toDelete);
>       } catch(IOException e) {
>         checkDiskError();
>         throw e;
>       }
> {noformat}
> causes check disk to happen in case of any errors during invalidate.
> We have seen errors like :
> 2013-03-02 00:08:28,849 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Unexpected
error trying to delete block blk_-2973118207682441648_225738165. BlockInfo not found in volumeMap.
> And all such errors trigger check disk, making the clients timeout.

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