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Posted to mapreduce-user@hadoop.apache.org by Spark Storm <us...@gmail.com> on 2014/03/28 22:51:03 UTC

How to find generated mapreduce code for pig/hive query

hello experts,

am really new to hadoop - Is it possible to find out based on pig or hive
query to find out under the hood map reduce algorithm??

thanks

Re: How to find generated mapreduce code for pig/hive query

Posted by Shahab Yunus <sh...@gmail.com>.

You can use ILLUSTRATE and EXPLAIN commands to see the execution plan, if
you mean that by 'under the hood algorithm'

http://pig.apache.org/docs/r0.11.1/test.html

Regards,
Shahab


On Fri, Mar 28, 2014 at 5:51 PM, Spark Storm <us...@gmail.com> wrote:

> hello experts,
>
> am really new to hadoop - Is it possible to find out based on pig or hive
> query to find out under the hood map reduce algorithm??
>
> thanks
>

Re: How to find generated mapreduce code for pig/hive query

Posted by Shahab Yunus <sh...@gmail.com>.

You can use ILLUSTRATE and EXPLAIN commands to see the execution plan, if
you mean that by 'under the hood algorithm'

http://pig.apache.org/docs/r0.11.1/test.html

Regards,
Shahab


On Fri, Mar 28, 2014 at 5:51 PM, Spark Storm <us...@gmail.com> wrote:

> hello experts,
>
> am really new to hadoop - Is it possible to find out based on pig or hive
> query to find out under the hood map reduce algorithm??
>
> thanks
>

Re: How to find generated mapreduce code for pig/hive query

Posted by Shahab Yunus <sh...@gmail.com>.

You can use ILLUSTRATE and EXPLAIN commands to see the execution plan, if
you mean that by 'under the hood algorithm'

http://pig.apache.org/docs/r0.11.1/test.html

Regards,
Shahab


On Fri, Mar 28, 2014 at 5:51 PM, Spark Storm <us...@gmail.com> wrote:

> hello experts,
>
> am really new to hadoop - Is it possible to find out based on pig or hive
> query to find out under the hood map reduce algorithm??
>
> thanks
>

Re: How to find generated mapreduce code for pig/hive query

Posted by Shahab Yunus <sh...@gmail.com>.

You can use ILLUSTRATE and EXPLAIN commands to see the execution plan, if
you mean that by 'under the hood algorithm'

http://pig.apache.org/docs/r0.11.1/test.html

Regards,
Shahab


On Fri, Mar 28, 2014 at 5:51 PM, Spark Storm <us...@gmail.com> wrote:

> hello experts,
>
> am really new to hadoop - Is it possible to find out based on pig or hive
> query to find out under the hood map reduce algorithm??
>
> thanks
>