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Hive >> mail # user >> Modify the number of map tasks


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Re: Modify the number of map tasks
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)
>>>>>     at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
>>>>> Caused by: java.net.ConnectException: Connexion refusée
>>>>>     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)