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Hadoop, mail # user - Re: Hadoop cluster hangs on big hive job


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Re: Hadoop cluster hangs on big hive job
Suresh Srinivas 2013-03-10, 15:16
What is the version of hadoop?

Sent from phone

On Mar 7, 2013, at 11:53 AM, Daning Wang <[EMAIL PROTECTED]> wrote:

> We have hive query processing zipped csv files. the query was scanning for 10 days(partitioned by date). data for each day around 130G. The problem is not consistent since if you run it again, it might go through. but the problem has never happened on the smaller jobs(like processing only one days data).
>
> We don't have space issue.
>
> I have attached log file when problem happening. it is stuck like following(just search "19706 of 49964")
>
> 2013-03-05 15:13:51,587 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000019_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
> 2013-03-05 15:13:51,811 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000039_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
> 2013-03-05 15:13:52,551 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000032_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
> 2013-03-05 15:13:52,760 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000000_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
> 2013-03-05 15:13:52,946 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000024_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
> 2013-03-05 15:13:54,742 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000008_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>
> Thanks,
>
> Daning
>
>
> On Thu, Mar 7, 2013 at 12:21 AM, Håvard Wahl Kongsgård <[EMAIL PROTECTED]> wrote:
>> hadoop logs?
>>
>> On 6. mars 2013 21:04, "Daning Wang" <[EMAIL PROTECTED]> wrote:
>>> We have 5 nodes cluster(Hadoop 1.0.4), It hung a couple of times while running big jobs. Basically all the nodes are dead, from that trasktracker's log looks it went into some kinds of loop forever.
>>>
>>> All the log entries like this when problem happened.
>>>
>>> Any idea how to debug the issue?
>>>
>>> Thanks in advance.
>>>
>>>
>>> 2013-03-05 15:13:19,526 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000012_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:19,552 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000028_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:20,858 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000036_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:21,141 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000016_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:21,486 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000019_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:21,692 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000039_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:22,448 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000032_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:22,643 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000000_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:22,840 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000024_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:24,628 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000008_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:24,723 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000039_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >
>>> 2013-03-05 15:13:25,336 INFO org.apache.hadoop.mapred.TaskTracker: attempt_201302270947_0010_r_000004_0 0.131468% reduce > copy (19706 of 49964 at 0.00 MB/s) >