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Posted to common-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2009/12/05 01:13:20 UTC
[jira] Reopened: (HADOOP-5623) Streaming: process provided status
messages are overwritten every 10 seoncds
[ https://issues.apache.org/jira/browse/HADOOP-5623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Todd Lipcon reopened HADOOP-5623:
---------------------------------
Reopening - this patch needs to be committed to branch-20 as well for 0.20.2. See MAPREDUCE-576.
I applied this patch to branch 20, and then ran the test case provided in that other JIRA like this:
{noformat}
./bin/hadoop jar build/contrib/streaming/hadoop-0.20.2-dev-streaming.jar -jt local -Dfs.default.name=file:/// -mapper cat -reducer /tmp/test.py -input file:///etc/motd -output file:///tmp/foo
{noformat}
Before the patch, it failed as noted in that JIRA. After the patch, passed.
> Streaming: process provided status messages are overwritten every 10 seoncds
> ----------------------------------------------------------------------------
>
> Key: HADOOP-5623
> URL: https://issues.apache.org/jira/browse/HADOOP-5623
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.19.0, 0.19.1, 0.20.0
> Reporter: Rick Cox
> Assignee: Rick Cox
> Fix For: 0.20.2, 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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