[MAPREDUCE-1938] Ability for having user's classes take precedence over the system classes for tasks' classpath - ASF JIRA

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Details

Type: New Feature
Status: Closed
Priority: Blocker
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 0.20.204.0, 0.23.0
Component/s: job submission, task, tasktracker
Labels:
None

Description

It would be nice to have the ability in MapReduce to allow users to specify for their jobs alternate implementations of classes that are already defined in the MapReduce libraries. For example, an alternate implementation for CombineFileInputFormat.

Attachments

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mapred-1938-1
19/Aug/10 02:18
14 kB
Krishna Ramachandran
mapred-1938-2.patch
19/Aug/10 23:06
7 kB
Krishna Ramachandran
mapred-1938-3.patch
04/Sep/10 02:07
8 kB
Krishna Ramachandran
mr-1938-bp20.1.patch
14/Jul/10 20:35
6 kB
Devaraj Das
mr-1938-bp20.patch
14/Jul/10 00:49
5 kB
Devaraj Das

Issue Links

blocks

PIG-2484 Fix several e2e test failures/aborts for 23

Closed

is duplicated by

HADOOP-6942 Ability for having user's classes take precedence over the system classes for tasks' classpath

Resolved

is related to

MAPREDUCE-1700 User supplied dependencies may conflict with MapReduce system JARs

Closed

relates to

HADOOP-6942 Ability for having user's classes take precedence over the system classes for tasks' classpath

Resolved

Activity

People

Assignee:: Krishna Ramachandran

Reporter:: Devaraj Das

Votes:: 3 Vote for this issue

Watchers:: 19 Start watching this issue

Dates

Created:: 14/Jul/10 00:37

Updated:: 26/Mar/13 08:06

Resolved:: 30/Oct/11 20:17