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MapReduce, mail # user - Re: About running a simple wordcount mapreduce


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Re: About running a simple wordcount mapreduce
Serge Blazhievsky 2013-03-22, 19:10
Check web ui how much space you have on hdfs???

Sent from my iPhone

On Mar 22, 2013, at 11:41 AM, Abdelrahman Shettia <[EMAIL PROTECTED]> wrote:

> Hi Redwane ,
>
> It is possible that the hosts which are running tasks are do not have enough space. Those dirs are confiugred in mapred-site.xml
>
>
>
> On Fri, Mar 22, 2013 at 8:42 AM, Redwane belmaati cherkaoui <[EMAIL PROTECTED]> wrote:
>>
>>
>> ---------- Forwarded message ----------
>> From: Redwane belmaati cherkaoui <[EMAIL PROTECTED]>
>> Date: Fri, Mar 22, 2013 at 4:39 PM
>> Subject: About running a simple wordcount mapreduce
>> To: [EMAIL PROTECTED]
>>
>>
>> Hi
>> I am trying to run  a wordcount mapreduce job on several files (<20 mb) using two machines . I get stuck on 0% map 0% reduce.
>> The jobtracker log file shows the following warning:
>>  WARN org.apache.hadoop.mapred.JobInProgress: No room for map task. Node hadoop0.novalocal has 8791384064 bytes free; but we expect map to take 1317624576693539401
>>
>> Please help me ,
>> Best Regards,
>