hi,
my job runs once ervey day. but it failed sometimes.
i checked the log in job tracker. It seems a hdfs error?
thanks a lot!
2011-08-16 21:07:13,247 INFO org.apache.hadoop.mapred.TaskInProgress:
Error from attempt_201106021431_1719_r_000498_1: org.ap
ache.hadoop.ipc.RemoteException: java.io.IOE
Do you notice anything related in the NameNode logs? One reason for
this is that the NameNode may be in safe mode for some reason, but
there are many other reasons so the NameNode's log would be the best
place to look for exactly why the complete()-op fails.
On Wed, Aug 17, 2011 at 8:20 AM, Jianxi
Thanks Harsh :)
the hadoop system started 3 months ago. so i think it is not in safe mode.
i found some old tasks started 10 days ago, the tasks seem blocked by
some unknown reason. I killed these tasks now. but i don't know why a
task can be blocked and exists so long.
I found another type of exc
hi,harsh, i wrote the namenode's log here. The problem occurs occasionally
Thanks a lot!
2011-08-22 14:41:05,939 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
ugi=tpic,users,dialout ip=/172.28.1.
29 cmd=delete src=/walter/send_albums/110822_143455/_temporary
dst=null perm=nul