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Date: Tue, 15 Apr 2014 12:03:12 -0700
Message-ID: 
 <CADE3u=YTeiCf89tgSkWUG6FweGeYB+ejRz7vF=s8f0=03dqTcw@mail.gmail.com>
Subject: Re: Find the task and it's datanode which is taking the most time in
 a cluster
From: Abdelrahman Shettia <ashettia@hortonworks.com>
To: user@hadoop.apache.org
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Hi Shashi,

I am assuming that you are running hadoop 1.x. There is an option to see
the failed tasks on the Job tracker UI. Please replace the jobtracker host
 with the actual host and click on the following link and look for the task
failure.

http://[jobtrackerhost]:50030/machines.jsp?type=active


Thanks
-Rahman


On Tue, Apr 15, 2014 at 11:11 AM, Shashidhar Rao <raoshashidhar123@gmail.com
> wrote:

> Hi,
>
> Can somebody please help me how to find the task and the datanode in a
> large cluster which has failed or which is taking the most time to execute
> considering thousands of mappers and reducers are running.
>
> Regards
> Shashi
>

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<div dir=3D"ltr">Hi Shashi,<div><br></div><div>I am assuming that you are r=
unning hadoop 1.x. There is an option to see the failed tasks on the Job tr=
acker UI. Please replace the jobtracker host =A0with the actual host and cl=
ick on the following link and look for the task failure. =A0</div>
<div><br></div><div>http://[jobtrackerhost]:50030/machines.jsp?type=3Dactiv=
e<br></div><div><br></div><div><br></div><div>Thanks</div><div>-Rahman</div=
></div><div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Tue=
, Apr 15, 2014 at 11:11 AM, Shashidhar Rao <span dir=3D"ltr">&lt;<a href=3D=
"mailto:raoshashidhar123@gmail.com" target=3D"_blank">raoshashidhar123@gmai=
l.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">Hi,<div><br></div><div>Can =
somebody please help me how to find the task and the datanode in a large cl=
uster which has failed or which is taking the most time to execute consider=
ing thousands of mappers and reducers are running.</div>

<div><br></div><div>Regards</div><div>Shashi</div></div>
</blockquote></div><br></div>

<br>
<span style=3D"color:rgb(128,128,128);font-family:Arial,sans-serif;font-siz=
e:10px">CONFIDENTIALITY NOTICE</span><br style=3D"color:rgb(128,128,128);fo=
nt-family:Arial,sans-serif;font-size:10px"><span style=3D"color:rgb(128,128=
,128);font-family:Arial,sans-serif;font-size:10px">NOTICE: This message is =
intended for the use of the individual or entity to which it is addressed a=
nd may contain information that is confidential, privileged and exempt from=
 disclosure under applicable law. If the reader of this message is not the =
intended recipient, you are hereby notified that any printing, copying, dis=
semination, distribution, disclosure or forwarding of this communication is=
 strictly prohibited. If you have received this communication in error, ple=
ase contact the sender immediately and delete it from your system. Thank Yo=
u.</span>
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