hadoop-common-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-820) NameNode startup fails if edit log terminates prematurely
Date Wed, 13 Dec 2006 21:35:22 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-820?page=comments#action_12458267 ] 
            
Hadoop QA commented on HADOOP-820:
----------------------------------

-1, since the patch command could not apply the latest attachment as a patch: http://issues.apache.org/jira/secure/attachment/12347120/fixNameNodeStartup.patch.
Please note that this message is automatically generated and may represent a problem with
the automation system and not the patch.

> NameNode startup fails if edit log terminates prematurely
> ---------------------------------------------------------
>
>                 Key: HADOOP-820
>                 URL: http://issues.apache.org/jira/browse/HADOOP-820
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>         Environment: ~50 node cluster
>            Reporter: Bryan Pendleton
>         Attachments: fixNameNodeStartup.patch
>
>
> I ran out of space on the device that stores the edit log, resulting in an edit log that
is truncated mid transaction.
> Ideally, the NameNode should start up, in SafeMode or the like, whenever this happens.
Right now, you get this stack trace:
> 2006-12-12 15:33:57,212 ERROR org.apache.hadoop.dfs.NameNode: java.io.EOFExcepti
> on
>         at java.io.DataInputStream.readUnsignedShort(DataInputStream.java:310)
>         at org.apache.hadoop.io.UTF8.readFields(UTF8.java:104)
>         at org.apache.hadoop.dfs.FSEditLog.loadFSEdits(FSEditLog.java:227)
>         at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:191)
>         at org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:320)
>         at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:226)
>         at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:146)
>         at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:138)
>         at org.apache.hadoop.dfs.NameNode.main(NameNode.java:589)

-- 
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa
-
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message