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From Suijian Zhou <suijian.z...@gmail.com>
Subject Re: zookeeper setting problem in giraph.
Date Wed, 09 Apr 2014 20:27:43 GMT
Hi, George,
  The zookeeper come with giraph, I did not install my own zookeeper
package, so port 22181 is the default. How to change it? It's strange why
the connection was lost so fast...

  Best Regards,
  Suijian



2014-04-09 14:19 GMT-05:00 George Valkanas <lebiathan@gmail.com>:

> Can you try port 2181 or make zookeeper listen on port 22181?
> HTH,
> George
>
>
>
> On Wed, Apr 9, 2014 at 9:15 PM, Suijian Zhou <suijian.zhou@gmail.com>wrote:
>
>> Hi,
>>    I have a problem in zookeeper in giraph, after the session has been
>> established, it will lose connection in ~1 minute although I see the
>> timeout is set to 600000, i.e 10minutes. What's the possible reasons?
>>
>> 14/04/08 16:55:22 INFO mapred.JobClient: Running job:
>> job_201404081444_0018
>> 14/04/08 16:55:22 INFO zookeeper.ClientCnxn: Opening socket connection to
>> server compute-0-13.local/10.1.255.241:22181. Will not attempt to
>> authenticate using SASL (unknown error)
>> 14/04/08 16:55:22 INFO zookeeper.ClientCnxn: Socket connection
>> established to compute-0-13.local/10.1.255.241:22181, initiating session
>> 14/04/08 16:55:22 INFO zookeeper.ClientCnxn: Session establishment
>> complete on server compute-0-13.local/10.1.255.241:22181, sessionid =
>> 0x14543567f5e0009, negotiated timeout = 600000
>> ......
>> ......
>> 14/04/08 16:57:02 INFO job.JobProgressTracker: Data from 8 workers -
>> Compute superstep 2: 0 out of 4847571 vertices computed; 0 out of 64
>> partitions computed; min free memory on worker 2 - 216.01MB, average
>> 287.75MB
>> 14/04/08 16:57:07 INFO zookeeper.ClientCnxn: Unable to read additional
>> data from server sessionid 0x14543567f5e0009, likely server has closed
>> socket, closing socket connection and attempting reconnect
>> 14/04/08 16:57:09 INFO zookeeper.ClientCnxn: Opening socket connection to
>> server compute-0-13.local/10.1.255.241:22181. Will not attempt to
>> authenticate using SASL (unknown error)
>> 14/04/08 16:57:09 WARN zookeeper.ClientCnxn: Session 0x14543567f5e0009
>> for server null, unexpected error, closing socket connection and attempting
>> reconnect
>> java.net.ConnectException: Connection refused
>>
>>   I tried to tuned the GC settings of hadoop but not working. Any hints?
>>
>>   Best Regards,
>>   Suijian
>>
>>
>>
>>
>

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