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Posted to common-dev@hadoop.apache.org by "Sunil Goyal (JIRA)" <ji...@apache.org> on 2011/06/19 10:20:47 UTC

[jira] [Created] (HADOOP-7404) Data Blocks Spliting should be record oriented or provided option for give the spliting locations (offsets) as input file

Data Blocks Spliting should be record oriented or provided option for give the spliting locations (offsets) as input file
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                 Key: HADOOP-7404
                 URL: https://issues.apache.org/jira/browse/HADOOP-7404
             Project: Hadoop Common
          Issue Type: Improvement
            Reporter: Sunil Goyal


Old Bug :  https://issues.apache.org/jira/browse/HADOOP-106

It is difficult to do the padding in the existing records. Due to the following reason:

1. Records are having the different Size (some may be bytes, some may be GB) but in same file.
2. It is having the compatibility issues with the other standard tools.
3. It will increases the file size without any need of other tools (not working on hadoop).

I think there should be option to this splitting process like this:-   

1. File contains information of offsets where should be splitting done. (like 10,100,120, offset it).
2. Hadoop should do the splitting according to it ( 10-0 = 10, 100-10 =90 , etc).
3. This file can be generated easily from the other tools.  



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