Hello Rui Hou,
If you look at the Writer constructor used here, you'll get your answer very
easily. It takes a codec (a compression codec, to be specific) as an argument.
The codec, if not null (in case compression is disabled), is then responsible
for compressing the streams of data by wrappin
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Review request for hadoop-common and Todd Lipcon.
Summary
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Since getSeria
Hello,
On Tue, Apr 5, 2011 at 12:52 AM, bikash sharma wrote:
> Hi,
> I want to change the following hadoop parameters before launching TeraSort
> program:
> io.sort.factor
> io.sort.mb
> mapreduce.reduce.tasks
> io.file.buffer.size
> io.sort.record.percent
Making these changes in the mapred-site
