You are viewing a plain text version of this content. The canonical link for it is here.

Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (Created) (JIRA)" <ji...@apache.org> on 2011/11/01 05:48:32 UTC

[jira] [Created] (HDFS-2525) Race between BlockPoolSliceScanner and append

Race between BlockPoolSliceScanner and append
---------------------------------------------

                 Key: HDFS-2525
                 URL: https://issues.apache.org/jira/browse/HDFS-2525
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: data-node
    Affects Versions: 0.23.0
            Reporter: Todd Lipcon
            Priority: Critical


I wrote a test which runs append() in a loop on a single file with a single replica, appending 0~100 bytes each time. If this races with the BlockPoolSliceScanner, I observe the BlockPoolSliceScanner getting FNFE, then reporting the block as bad to the NN. This causes the writer thread to loop forever on completeFile() since it doesn't see a valid replica.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira