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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3585) Hardware Failure Monitoring in large clusters running Hadoop/HDFS
Date Sun, 10 Aug 2008 05:59:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12621212#action_12621212
] 

dhruba borthakur commented on HADOOP-3585:
------------------------------------------

I get a compilation error :

init-contrib:

compile:
     [echo] contrib: failmon

jar:

BUILD FAILED
/export/home/dhruba/commit/build.xml:900: The following error occurred while executing this
line:
/export/home/dhruba/commit/src/contrib/build.xml:39: The following error occurred while executing
this line:
/export/home/dhruba/commit/src/contrib/failmon/build.xml:28: The following error occurred
while executing this line:
/export/home/dhruba/commit/build.xml:251: java.lang.ExceptionInInitializerError

Total time: 44 seconds


The unit tests have failed for some other reason ( I think) : http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3035/testReport/


> Hardware Failure Monitoring in large clusters running Hadoop/HDFS
> -----------------------------------------------------------------
>
>                 Key: HADOOP-3585
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3585
>             Project: Hadoop Core
>          Issue Type: New Feature
>         Environment: Linux
>            Reporter: Ioannis Koltsidas
>            Priority: Minor
>         Attachments: FailMon-standalone.zip, failmon.pdf, failmon.pdf, failmon2.pdf,
FailMon_Package_descrip.html, FailMon_QuickStart.html, HADOOP-3585.2.patch, HADOOP-3585.patch,
HADOOP-3585.patch
>
>   Original Estimate: 480h
>  Remaining Estimate: 480h
>
> At IBM we're interested in identifying hardware failures on large clusters running Hadoop/HDFS.
We are working on a framework that will enable nodes to identify failures on their hardware
using the Hadoop log, the system log and various OS hardware diagnosing utilities. The implementation
details are not very clear, but you can see a draft of our design in the attached document.
We are pretty interested in Hadoop and system logs from failed machines, so if you are in
possession of such, you are very welcome to contribute them; they would be of great value
for hardware failure diagnosing.
> Some details about our design can be found in the attached document failmon.doc. More
details will follow in a later post.

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