hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Xiaobo Peng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3981) access time is set without holding writelock in FSNamesystem
Date Sat, 09 Mar 2013 03:57:17 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiaobo Peng updated HDFS-3981:
------------------------------

    Affects Version/s: 0.23.5
               Status: Patch Available  (was: Open)
    
> access time is set without holding writelock in FSNamesystem
> ------------------------------------------------------------
>
>                 Key: HDFS-3981
>                 URL: https://issues.apache.org/jira/browse/HDFS-3981
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 0.23.5, 0.23.3
>            Reporter: Xiaobo Peng
>            Assignee: Xiaobo Peng
>            Priority: Minor
>         Attachments: HDFS-3981-branch-0.23.4.patch, HDFS-3981-branch-0.23.patch, HDFS-3981-branch-2.patch,
HDFS-3981-trunk.patch
>
>
> Incorrect condition in {{FSNamesystem.getBlockLocatoins()}} can lead to updating times
without write lock. In most cases this condition will force {{FSNamesystem.getBlockLocatoins()}}
to hold write lock, even if times do not need to be updated.

--
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