t: Re: Problems with MR Job running really slowly
To: mapreduce-user@hadoop.apache.org
Date: Monday, November 7, 2011, 12:13 AM
1) I am varying both the number of mappers and reducers trying to determine
three things a) What are the options I need reducers and mappers to
- Not have ma
d book for understanding tuning parameters is Hadoop Definitive
> Guide by Tom White.
>
> Hope that the above helps.
> Regards,
> Florin
>
>
>
>
> --- On Thu, 11/3/11, Steve Lewis wrote:
>
> From: Steve Lewis
> Subject: Problems with MR Job running reall
rs is Hadoop Definitive Guide by
Tom White.
Hope that the above helps.
Regards,
Florin
--- On Thu, 11/3/11, Steve Lewis wrote:
From: Steve Lewis
Subject: Problems with MR Job running really slowly
To: "mapreduce-user"
Date: Thursday, November 3, 2011, 11:07 PM
I have a job
I have a job which takes an xml file - the splitter breaks the file into
tags, the mapper parses each tag and sends the data to the
reducer. I am using a custom splitter which reads the file looking for
start and end tags.
When I run the code in the splitter and the mapper - generating separate
ta
