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From Jason Venner <ja...@attributor.com>
Subject Re: dfs failures with 0.15.0 - blk_3105072074036734167 has already been started
Date Mon, 03 Dec 2007 23:52:34 GMT
 From the web page monitor, the job appears to be successfully running. 
The only thing is that there is no progress.

07/12/03 15:04:27 INFO mapred.FileInputFormat: Total input paths to 
process : 789
07/12/03 15:04:28 INFO mapred.JobClient: Running job: job_200711301649_0018
07/12/03 15:04:29 INFO mapred.JobClient:  map 0% reduce 0%
07/12/03 15:04:37 INFO mapred.JobClient:  map 1% reduce 0%
07/12/03 15:04:42 INFO mapred.JobClient:  map 2% reduce 0%
07/12/03 15:04:49 INFO mapred.JobClient:  map 3% reduce 0%
07/12/03 15:04:52 INFO mapred.JobClient:  map 4% reduce 0%
07/12/03 15:04:59 INFO mapred.JobClient:  map 5% reduce 0%
07/12/03 15:05:05 INFO mapred.JobClient:  map 6% reduce 0%
07/12/03 15:05:12 INFO mapred.JobClient:  map 7% reduce 0%
07/12/03 15:05:16 INFO mapred.JobClient:  map 8% reduce 0%
07/12/03 15:05:23 INFO mapred.JobClient:  map 9% reduce 0%
07/12/03 15:05:28 INFO mapred.JobClient:  map 10% reduce 0%
07/12/03 15:05:35 INFO mapred.JobClient:  map 11% reduce 0%
07/12/03 15:05:40 INFO mapred.JobClient:  map 12% reduce 0%
07/12/03 15:05:46 INFO mapred.JobClient:  map 13% reduce 0%
07/12/03 15:05:51 INFO mapred.JobClient:  map 14% reduce 0%
07/12/03 15:05:58 INFO mapred.JobClient:  map 15% reduce 0%
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07/12/03 15:07:54 INFO mapred.JobClient:  map 34% reduce 0%
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07/12/03 15:08:19 INFO mapred.JobClient:  map 38% reduce 1%
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07/12/03 15:09:25 INFO mapred.JobClient:  map 48% reduce 1%
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07/12/03 15:09:44 INFO mapred.JobClient:  map 50% reduce 1%
07/12/03 15:09:52 INFO mapred.JobClient:  map 51% reduce 1%
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07/12/03 15:11:34 INFO mapred.JobClient:  map 65% reduce 2%
07/12/03 15:11:39 INFO mapred.JobClient:  map 66% reduce 2%
07/12/03 15:11:45 INFO mapred.JobClient:  map 67% reduce 2%
07/12/03 15:11:52 INFO mapred.JobClient:  map 68% reduce 2%
07/12/03 15:12:01 INFO mapred.JobClient:  map 69% reduce 2%
07/12/03 15:12:06 INFO mapred.JobClient:  map 70% reduce 2%
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07/12/03 15:12:25 INFO mapred.JobClient:  map 73% reduce 2%
07/12/03 15:12:34 INFO mapred.JobClient:  map 74% reduce 2%
07/12/03 15:12:41 INFO mapred.JobClient:  map 75% reduce 2%
07/12/03 15:12:47 INFO mapred.JobClient:  map 76% reduce 2%
07/12/03 15:12:56 INFO mapred.JobClient:  map 77% reduce 2%
07/12/03 15:13:01 INFO mapred.JobClient:  map 78% reduce 2%
07/12/03 15:13:07 INFO mapred.JobClient:  map 79% reduce 2%
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07/12/03 15:13:20 INFO mapred.JobClient:  map 81% reduce 2%
07/12/03 15:13:25 INFO mapred.JobClient:  map 82% reduce 2%
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07/12/03 15:13:38 INFO mapred.JobClient:  map 84% reduce 2%
07/12/03 15:13:42 INFO mapred.JobClient:  map 85% reduce 2%
07/12/03 15:13:49 INFO mapred.JobClient:  map 86% reduce 2%
07/12/03 15:13:53 INFO mapred.JobClient:  map 87% reduce 2%
07/12/03 15:14:02 INFO mapred.JobClient:  map 88% reduce 2%
07/12/03 15:14:05 INFO mapred.JobClient:  map 89% reduce 2%
07/12/03 15:14:14 INFO mapred.JobClient:  map 90% reduce 2%
07/12/03 15:14:15 INFO mapred.JobClient:  map 91% reduce 2%
07/12/03 15:14:24 INFO mapred.JobClient:  map 92% reduce 2%
07/12/03 15:14:27 INFO mapred.JobClient:  map 93% reduce 2%
07/12/03 15:14:36 INFO mapred.JobClient:  map 94% reduce 2%
07/12/03 15:14:39 INFO mapred.JobClient:  map 95% reduce 2%
07/12/03 15:14:44 INFO mapred.JobClient:  map 95% reduce 3%
07/12/03 15:14:48 INFO mapred.JobClient:  map 96% reduce 3%
07/12/03 15:14:58 INFO mapred.JobClient:  map 97% reduce 3%
07/12/03 15:15:07 INFO mapred.JobClient:  map 98% reduce 3%
07/12/03 15:15:19 INFO mapred.JobClient:  map 99% reduce 3%
- stalled here for 45 minutes now.

Jason Venner wrote:
> on XX.YY.ZZ.AAA
> 2007-12-03 15:42:18,508 ERROR org.apache.hadoop.dfs.DataNode: 
> DataXceiver: java.io.IOException: Block blk_3105072074036734167 has 
> already been started (though not completed), and thus cannot be created.
>        at 
> org.apache.hadoop.dfs.FSDataset.writeToBlock(FSDataset.java:568)
>        at 
> org.apache.hadoop.dfs.DataNode$BlockReceiver.<init>(DataNode.java:1257)
>        at 
> org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock(DataNode.java:901)
>        at 
> org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:804)
>        at java.lang.Thread.run(Thread.java:619)
>
> One one machine
> 2007-12-03 15:42:44,755 INFO org.apache.hadoop.dfs.DataNode: Starting 
> thread to transfer block blk_3105072074036734167 to 
> [Lorg.apache.hadoop.dfs.DatanodeInfo;@6fc40f
> 2007-12-03 15:42:44,757 WARN org.apache.hadoop.dfs.DataNode: Failed to 
> transfer blk_3105072074036734167 to XX.YY.ZZ.AAA:50010 got 
> java.net.SocketException: Broken pipe
>        at java.net.SocketOutputStream.socketWrite0(Native Method)
>        at 
> java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
>        at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
>        at 
> java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
>        at 
> java.io.BufferedOutputStream.write(BufferedOutputStream.java:109)
>        at java.io.DataOutputStream.write(DataOutputStream.java:90)
>        at 
> org.apache.hadoop.dfs.DataNode$BlockSender.sendChunk(DataNode.java:1175)
>        at 
> org.apache.hadoop.dfs.DataNode$BlockSender.sendBlock(DataNode.java:1208)
>        at 
> org.apache.hadoop.dfs.DataNode$DataTransfer.run(DataNode.java:1460)
>        at java.lang.Thread.run(Thread.java:619)
>

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