Keren,
Seems to work alright for me once I set these and restart each TaskTracker.
Perhaps the problem is merely that you're missing an opening <property> XML
tag for the second configuration, in that copy-paste below?
On Tue, Nov 29, 2011 at 8:44 AM, Keren Ouaknine <ker...@gmail.com> wrote:
> Thanks Harsh, the property in already set to one on all the nodes (see
> below).
> What do you reckon?
>
> <property>
> <name>mapred.tasktracker.map.tasks.maximum</name>
> <value>1</value>
> <description>The maximum number of map tasks that will be run
> simultaneously by a task tracker.</description>
> </property>
> <name>mapred.tasktracker.reduce.tasks.maximum</name>
> <value>1</value>
> <description>The maximum number of reduce tasks that will be run
> simultaneously by a task tracker.</description>
> </property>
> </configuration>
>
>
> On Thu, Nov 24, 2011 at 10:45 PM, Harsh J <ha...@cloudera.com> wrote:
>
>> Keren,
>>
>> What was your configured property at the TaskTrackers? The right property
>> is mapred.tasktracker.{map,reduce}.tasks.maximum, and applies to each
>> TaskTracker individually (so all your TT mapred-site.xml need to carry that
>> property to limit their slots).
>>
>> On 25-Nov-2011, at 8:45 AM, Keren Ouaknine wrote:
>>
>> Hello,
>>
>> I configured mapred-site.xml with one mapper, still the web ui shows:
>> Map shows capacity 40 = 2 x #machines. I was expecting it to be 20.
>> Any idea?
>>
>> Thanks,
>> Keren
>>
>>
>> Running Map TasksRunning Reduce TasksTotal SubmissionsNodesOccupied Map
>> SlotsOccupied Reduce Slots Reserved Map SlotsReserved Reduce SlotsMap
>> Task CapacityReduce Task CapacityAvg. Tasks/NodeBlacklisted NodesGraylisted
>> NodesExcluded Nodes
>> 3420720<http://10.239.24.12:50030/machines.jsp?type=active>
>> 34200040203.000 <http://10.239.24.12:50030/machines.jsp?type=blacklisted>
>> 0
>> <http://10.239.24.12:50030/machines.jsp?type=graylisted>0<http://10.239.24.12:50030/machines.jsp?type=excluded>
>> --
>> Keren Ouaknine
>> Cell: +972 54 2565404
>> Web: www.kereno.com
>>
>>
>>
>>
>
>
> --
> Keren Ouaknine
> Cell: +972 54 2565404
> Web: www.kereno.com
>
>
>
--
Harsh J
