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From Santosh Achhra <>
Subject Re: Map Reduce Local Task
Date Tue, 08 Jan 2013 16:11:37 GMT
Thank you Dean,

One of our table is very small, it has only 16,000 rows and other big table
has 45 million plus records. Wont doing a loacl task help in this case ?

Good wishes,always !

On Tue, Jan 8, 2013 at 11:59 PM, Dean Wampler <> wrote:

> more aggressive about trying to convert a join to a local task, where it
> bypasses the job tracker. When you're experimenting with queries on a small
> data set, it can make things much faster, but won't be useful for large
> data sets where you need the cluster.

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