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Hadoop >> mail # user >> Re: Yarn -- one of the daemons getting killed


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Re: Yarn -- one of the daemons getting killed
Hi Vinay,

  In the out files I could see nothing other than the output of ulimit -all
. Do I need to enable any other kind of logging to get more information?

Thanks,
Kishore
On Mon, Dec 16, 2013 at 5:41 PM, Vinayakumar B <[EMAIL PROTECTED]>wrote:

>  Hi Krishna,
>
>
>
> Please check the out files as well for daemons. You may find something.
>
>
>
>
>
> Cheers,
>
> Vinayakumar B
>
>
>
> *From:* Krishna Kishore Bonagiri [mailto:[EMAIL PROTECTED]]
> *Sent:* 16 December 2013 16:50
> *To:* [EMAIL PROTECTED]
> *Subject:* Re: Yarn -- one of the daemons getting killed
>
>
>
> Hi Vinod,
>
>
>
>  Yes, I am running on Linux.
>
>
>
>  I was actually searching for a corresponding message in /var/log/messages
> to confirm that OOM killed my daemons, but could not find any corresponding
> messages there! According to the following link, it looks like if it is a
> memory issue, I should see a messages even if OOM is disabled, but I don't
> see it.
>
>
>
> http://www.redhat.com/archives/taroon-list/2007-August/msg00006.html
>
>
>
>   And, is memory consumption more in case of two node cluster than a
> single node one? Also, I see this problem only when I give "*" as the node
> name.
>
>
>
>   One other thing I suspected was the allowed number of user processes, I
> increased that to 31000 from 1024 but that also didn't help.
>
>
>
> Thanks,
>
> Kishore
>
>
>
> On Fri, Dec 13, 2013 at 11:51 PM, Vinod Kumar Vavilapalli <
> [EMAIL PROTECTED]> wrote:
>
> Yes, that is what I suspect. That is why I asked if everything is on a
> single node. If you are running linux, linux OOM killer may be shooting
> things down. When it happens, you will see something like "'killed process"
> in system's syslog.
>
>
>
> Thanks,
>
> +Vinod
>
>
>
> On Dec 13, 2013, at 4:52 AM, Krishna Kishore Bonagiri <
> [EMAIL PROTECTED]> wrote:
>
>
>
>  Vinod,
>
>
>
>   One more thing I observed is that, my Client which submits Application
> Master one after another continuously also gets killed sometimes. So, it is
> always any of the Java Processes that is getting killed. Does it indicate
> some excessive memory usage by them or something like that, that is causing
> them die? If so, how can we resolve this kind of issue?
>
>
>
> Thanks,
>
> Kishore
>
>
>
> On Fri, Dec 13, 2013 at 10:16 AM, Krishna Kishore Bonagiri <
> [EMAIL PROTECTED]> wrote:
>
> No, I am running on 2 node cluster.
>
>
>
> On Fri, Dec 13, 2013 at 1:52 AM, Vinod Kumar Vavilapalli <
> [EMAIL PROTECTED]> wrote:
>
> Is all of this on a single node?
>
>
>
> Thanks,
>
> +Vinod
>
>
>
> On Dec 12, 2013, at 3:26 AM, Krishna Kishore Bonagiri <
> [EMAIL PROTECTED]> wrote:
>
>
>
>  Hi,
>
>   I am running a small application on YARN (2.2.0) in a loop of 500 times,
> and while doing so one of the daemons, node manager, resource manager, or
> data node is getting killed (I mean disappearing) at a random point. I see
> no information in the corresponding log files. How can I know why is it
> happening so?
>
>
>
>  And, one more observation is that, this is happening only when I am using
> "*" for node name in the container requests, otherwise when I used a
> specific node name, everything is fine.
>
>
>
> Thanks,
>
> Kishore
>
>
>
>
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB