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From Alex Burkoff <>
Subject ColumnFamilyOutputFormat and mapreduce.output.columnfamilyoutputformat.batch.threshold 0.70beta1
Date Wed, 08 Sep 2010 21:18:58 GMT

I was testing ColumnFamilyOutputFormat and found that only columns from the last Reduce
invocation get stored when mapreduce.output.columnfamilyoutputformat.batch.threshold has
the default value. Setting it to 1 changes the behavior, and all data is stored then. Is it
intended behavior, or am I missing something ?

Best regards,

Alex Burkoff

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