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Hive, mail # user - Modify the number of map tasks


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Re: Modify the number of map tasks
imen Megdiche 2012-12-12, 15:25
have you a page in which you explain the steps.

2012/12/12 Mohammad Tariq <[EMAIL PROTECTED]>

> Hi Imen,
>
>          I am sorry, I didn't get the question. Are you asking about
> creating a distributed cluster? Yeah, I have done that.
>
> Regards,
>     Mohammad Tariq
>
>
>
> On Wed, Dec 12, 2012 at 7:45 PM, imen Megdiche <[EMAIL PROTECTED]>wrote:
>
>> have you please commented the configuration of hadoop on cluster
>>
>> thanks
>>
>>
>> 2012/12/12 Mohammad Tariq <[EMAIL PROTECTED]>
>>
>>> You are always welcome. If you still need any help, you can go here :
>>> http://cloudfront.blogspot.in/2012/07/how-to-configure-hadoop.html
>>> I have outlined the entire process here along with few small(but
>>> necessary) explanations.
>>>
>>> Regards,
>>>     Mohammad Tariq
>>>
>>>
>>>
>>> On Wed, Dec 12, 2012 at 7:31 PM, imen Megdiche <[EMAIL PROTECTED]>wrote:
>>>
>>>> thank you very much you re awsome.
>>>>
>>>> Fixed
>>>>
>>>>
>>>> 2012/12/12 Mohammad Tariq <[EMAIL PROTECTED]>
>>>>
>>>>> Uncomment the property in core-site.xml. That is a must. After doing
>>>>> this  you have to restart the daemons?
>>>>>
>>>>> Regards,
>>>>>     Mohammad Tariq
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Dec 12, 2012 at 7:08 PM, imen Megdiche <
>>>>> [EMAIL PROTECTED]> wrote:
>>>>>
>>>>>> I changed the files
>>>>>> now when i run i have this response :
>>>>>>
>>>>>> 12/12/12 14:37:33 INFO ipc.Client: Retrying connect to server:
>>>>>> localhost/127.0.0.1:9001. Already tried 0 time(s).
>>>>>> 12/12/12 14:37:34 INFO ipc.Client: Retrying connect to server:
>>>>>> localhost/127.0.0.1:9001. Already tried 1 time(s).
>>>>>> 12/12/12 14:37:35 INFO ipc.Client: Retrying connect to server:
>>>>>> localhost/127.0.0.1:9001. Already tried 2 time(s).
>>>>>> 12/12/12 14:37:36 INFO ipc.Client: Retrying connect to server:
>>>>>> localhost/127.0.0.1:9001. Already tried 3 time(s).
>>>>>> 12/12/12 14:37:37 INFO ipc.Client: Retrying connect to server:
>>>>>> localhost/127.0.0.1:9001. Already tried 4 time(s).
>>>>>> 12/12/12 14:37:38 INFO ipc.Client: Retrying connect to server:
>>>>>> localhost/127.0.0.1:9001. Already tried 5 time(s).
>>>>>> 12/12/12 14:37:39 INFO ipc.Client: Retrying connect to server:
>>>>>> localhost/127.0.0.1:9001. Already tried 6 time(s).
>>>>>> 12/12/12 14:37:40 INFO ipc.Client: Retrying connect to server:
>>>>>> localhost/127.0.0.1:9001. Already tried 7 time(s).
>>>>>> 12/12/12 14:37:41 INFO ipc.Client: Retrying connect to server:
>>>>>> localhost/127.0.0.1:9001. Already tried 8 time(s).
>>>>>> 12/12/12 14:37:42 INFO ipc.Client: Retrying connect to server:
>>>>>> localhost/127.0.0.1:9001. Already tried 9 time(s).
>>>>>> Exception in thread "main" java.net.ConnectException: Call to
>>>>>> localhost/127.0.0.1:9001 failed on connection exception:
>>>>>> java.net.ConnectException: Connexion refusée
>>>>>>     at org.apache.hadoop.ipc.Client.wrapException(Client.java:1099)
>>>>>>     at org.apache.hadoop.ipc.Client.call(Client.java:1075)
>>>>>>     at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225)
>>>>>>     at org.apache.hadoop.mapred.$Proxy1.getProtocolVersion(Unknown
>>>>>> Source)
>>>>>>     at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:396)
>>>>>>     at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:379)
>>>>>>     at
>>>>>> org.apache.hadoop.mapred.JobClient.createRPCProxy(JobClient.java:480)
>>>>>>     at org.apache.hadoop.mapred.JobClient.init(JobClient.java:474)
>>>>>>     at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:457)
>>>>>>     at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1260)
>>>>>>     at org.myorg.WordCount.run(WordCount.java:115)
>>>>>>     at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>>>>>>     at org.myorg.WordCount.main(WordCount.java:120)
>>>>>>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>>>     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>>>>>>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>>>>>>     at java.lang.reflect.Method.invoke(Unknown Source)