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From "Nguyen Manh Tien" <>
Subject Reduce copy error
Date Thu, 30 Aug 2007 04:01:00 GMT
When i run nutch, i alway met this error in reduce task and is run
very slow after this error.
Do any one know how to solve this problem.

Here is the log: Insufficient space
	at org.apache.hadoop.fs.InMemoryFileSystem$RawInMemoryFileSystem$InMemoryOutputStream.write(
	at org.apache.hadoop.fs.FSDataOutputStream$PositionCache.write(
	at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSOutputSummer.writeChunk(
	at org.apache.hadoop.fs.FSOutputSummer.writeChecksumChunk(
	at org.apache.hadoop.fs.FSOutputSummer.flushBuffer(
	at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSOutputSummer.close(
	at org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(
	at org.apache.hadoop.fs.FSDataOutputStream.close(
	at org.apache.hadoop.mapred.MapOutputLocation.getFile(
	at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$MapOutputCopier.copyOutput(
	at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$

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