Hi,
I am trying out the possibilities of Hadoop with kerberos. Can somebody
clear my doubts in following questions
1) Does the Hadoop with Kerberos prevent the HDFS user data from sharing?
2) If some user wants to share the HDFS data with other user/group then
what are the steps to follow.
3) Can
Hi,
I found a strange behavior in my cluster. The data nodes stop sending any
information randomly (no logs coming). So the namenode thinks its down. But
after some time ( approx 30 mints) the datanode nodes comes up and start
behaving properly. I tried finding any error log, but the datanode node
Jul 28, 2011, at 5:06, Rahul Das wrote:
>
> Hi Joey,
>
> The log is too big to attach into mail. What I found that there is no error
> during this time.
> Only few Warnings are coming like
>
> 2011-07-21 14:13:47,814 WARN
> org.apache.hadoop.hdfs.server.namenode.FSNamesys
e time in this
> SecondaryNameNode log (2011-07-21 16:00-16:30)?
>
> -Joey
>
>
> On Fri, Jul 22, 2011 at 8:29 AM, Rahul Das wrote:
>
>> Yes I have a secondary Namenode running. Here are the log for
>> SecondaryNamenode
>>
>> 2011-07-21 16:02:47,908 INFO
1 at 5:40 PM, Joey Echeverria wrote:
> Do you have an instance of the SecondaryNamenode in your cluster?
>
> -Joey
>
>
> On Fri, Jul 22, 2011 at 3:15 AM, Rahul Das wrote:
>
>> Hi,
>>
>> I am running a Hadoop cluster with 20 Data node. Yesterday I found that
Hi,
I am running a Hadoop cluster with 20 Data node. Yesterday I found that the
Namenode was not responding ( No write/read to HDFS is happening). It got
stuck for few hours, then I shut down the Namenode and found the following
error from the Name node log.
2011-07-21 16:15:31,500 WARN org.apach