[jira] [Created] (HDFS-5341) DirectoryScanner hold the object lock dataset too long in scan,it make the datanode turn into deadnode and block all reciving thread

Thu, 10 Oct 2013 19:35:00 -0700 

qus-jiawei created HDFS-5341:
--------------------------------

             Summary:  DirectoryScanner hold the object lock dataset too long 
in scan,it make the datanode turn into deadnode and block all reciving thread
                 Key: HDFS-5341
                 URL: https://issues.apache.org/jira/browse/HDFS-5341
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: datanode
    Affects Versions: 2.0.4-alpha
            Reporter: qus-jiawei


When DirectoryScanner doing the scan function, it holding the dataset to diff 
the block info between memory and disk.But it do a lot of disk operation 
because it call the file's getlength funciton.

So,such disk operation should move to the diskreport.



--
This message was sent by Atlassian JIRA
(v6.1#6144)

Reply via email to