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From Matt Corgan <mcor...@hotpads.com>
Subject Verbose logging with compression
Date Mon, 10 Jan 2011 17:46:16 GMT
I'm trying to use GZIP compression but running into a logging problem.  It
appears that every time a block is compressed it logs the following:

2011-01-10 12:40:48,407 INFO org.apache.hadoop.io.compress.CodecPool: Got
brand-new compressor
2011-01-10 12:40:48,414 INFO org.apache.hadoop.io.compress.CodecPool: Got
brand-new compressor
2011-01-10 12:40:48,420 INFO org.apache.hadoop.io.compress.CodecPool: Got
brand-new compressor
2011-01-10 12:40:48,426 INFO org.apache.hadoop.io.compress.CodecPool: Got
brand-new compressor
2011-01-10 12:40:48,431 INFO org.apache.hadoop.io.compress.CodecPool: Got
brand-new compressor
2011-01-10 12:40:48,447 INFO org.apache.hadoop.io.compress.CodecPool: Got
brand-new compressor
2011-01-10 12:40:48,453 INFO org.apache.hadoop.io.compress.CodecPool: Got
brand-new compressor

Same for decompression.  It's logging that 150 times per second during a
major compaction which pretty much renders the logs useless.  I assume other
people are not having this problem, so did we accidentally enable that
logging somehow?

Thanks,
Matt

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