hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5031) BlockScanner scans the block multiple times and on restart scans everything
Date Wed, 28 Aug 2013 00:05:53 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal updated HDFS-5031:
--------------------------------

    Priority: Major  (was: Blocker)
    
> BlockScanner scans the block multiple times and on restart scans everything
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-5031
>                 URL: https://issues.apache.org/jira/browse/HDFS-5031
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 3.0.0, 2.1.0-beta
>            Reporter: Vinay
>            Assignee: Vinay
>         Attachments: HDFS-5031.patch
>
>
> BlockScanner scans the block twice, also on restart of datanode scans everything.
> Steps:
> 1. Write blocks with interval of more than 5 seconds. write new block on completion of
scan for written block.
> Each time datanode scans new block, it also scans, previous block which is already scanned.

> Now after restart, datanode scans all blocks again.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira

Mime
View raw message