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https://issues.apache.org/jira/browse/PIG-1053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12772144#action_12772144
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Alan Gates commented on PIG-1053:
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For testing purposes we could simply change Main to tell PigContext the mode is
MapReduce, even when the user selects local mode. Assuming there are no
configuration files in the classpath, this will result in using Hadoop in the
local mode.
However, for a real fix, we need to make sure that when the user says "-x
local" Hadoop's LocalJobRunner and the local file system are chosen even if
there are configuration files in the classpath. I believe this would be
accomplished by changing PigContext to in local mode still connect to MR and
HDFS, but to do so with an empty Properties object rather than using the one
that is passed in. This would affect connect, init, setJobTrackerLocation, and
perhaps other calls.
> Consider moving to Hadoop for local mode
> ----------------------------------------
>
> Key: PIG-1053
> URL: https://issues.apache.org/jira/browse/PIG-1053
> Project: Pig
> Issue Type: Improvement
> Reporter: Alan Gates
>
> We need to consider moving Pig to use Hadoop's local mode instead of its own.
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