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From Ted Pedersen <tpede...@d.umn.edu>
Subject Question on Error : could only be replicated to 0 nodes, instead of 1
Date Fri, 04 Mar 2011 22:21:54 GMT
Greetings all,

I get the following error at seemingly irregular intervals when I'm
trying to do the following...

hadoop fs -put /scratch1/tdp/data/* input

(The data is a few hundred files of wikistats data, about 75GB in total).

11/03/04 15:55:05 WARN hdfs.DFSClient: DataStreamer Exception: org.apache.hadoop
.ipc.RemoteException: java.io.IOException: File /user/pedersen/input/pagecounts-
20110129-020001 could only be replicated to 0 nodes, instead of 1

I've searched around on the error message, and have actually found a
lot of postings,
but they seem to be as irregular as the error itself (both in terms of
explanations and fixes).


Is there a "best" currently understood explanation for this error, and
the preferred way to
resolve it? We are running in fully distributed mode here...


Ted Pedersen

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