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From "Philip Zeyliger (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-476) extend DistributedCache to work locally (LocalJobRunner)
Date Tue, 04 Aug 2009 17:03:15 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12739033#action_12739033
] 

Philip Zeyliger commented on MAPREDUCE-476:
-------------------------------------------

bq.   > I agree. A few of them are used to manage the Configuration object. (In my mind,
we're serializing and de-serializing a set of requirements for the distributed cache into
the text configuration, and doing so a bit haphazardly.) I was very tempted to remove all
the ones that are only meant to be internal, but Tom advised me that I need to keep them deprecated
for a version. Again, I think moving those methods into a more private place is a good task
to do along with changing how JobClient calls into this stuff.
bq. +1. So are you planning to do in the next version or in this patch itself?

Next version.

> extend DistributedCache to work locally (LocalJobRunner)
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-476
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-476
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: sam rash
>            Assignee: Philip Zeyliger
>            Priority: Minor
>         Attachments: HADOOP-2914-v1-full.patch, HADOOP-2914-v1-since-4041.patch, HADOOP-2914-v2.patch,
HADOOP-2914-v3.patch, MAPREDUCE-476-v2-vs-v3.patch, MAPREDUCE-476-v2-vs-v3.try2.patch, MAPREDUCE-476-v2-vs-v4.txt,
MAPREDUCE-476-v2.patch, MAPREDUCE-476-v3.patch, MAPREDUCE-476-v3.try2.patch, MAPREDUCE-476-v4-requires-MR711.patch,
MAPREDUCE-476.patch
>
>
> The DistributedCache does not work locally when using the outlined recipe at http://hadoop.apache.org/core/docs/r0.16.0/api/org/apache/hadoop/filecache/DistributedCache.html

> Ideally, LocalJobRunner would take care of populating the JobConf and copying remote
files to the local file sytem (http, assume hdfs = default fs = local fs when doing local
development.

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