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https://issues.apache.org/jira/browse/HADOOP-5623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714006#action_12714006
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Tom White commented on HADOOP-5623:
-----------------------------------
bq. (So that I can do the right thing on future changes, are test case public
methods considered part of the public API, or is it just that someone might be
using that method and it's easy to provide compatibility here?)
The latter: test cases are not a part of the public API. The public API is
defined by the published javadoc.
> Streaming: process provided status messages are overwritten every 10 seoncds
> ----------------------------------------------------------------------------
>
> Key: HADOOP-5623
> URL: https://issues.apache.org/jira/browse/HADOOP-5623
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/streaming
> Affects Versions: 0.19.0, 0.19.1
> Reporter: Rick Cox
> Assignee: Rick Cox
> Fix For: 0.21.0
>
> Attachments: HADOOP-5623-streaming-status.patch,
> HADOOP-5623-streaming-status.patch, hadoop-5623-v1.patch
>
>
> Every 10 seconds (if the streaming process is producing output key/values on
> stdout), PipeMapRed sets the task's status string to "Records R/W=N/N". This
> replaces any custom task status that the streaming process may have specified
> using the "reporter:status:" stderr lines.
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