Re: Hadoop 3.0 doesn't detect the correct conf folder

[Allen Wittenauer]

On 2017-12-21 00:25, Jeff Zhang  wrote: 
> I tried the hadoop 3.0, and can start dfs properly, but when I start yarn,
> it fails with the following error
> ERROR: Cannot find configuration directory
> "/Users/jzhang/Java/lib/hadoop-3.0.0/conf"
> 
> Actually, this is not the correct conf folder. It should be
> /Users/jzhang/Java/lib/hadoop-3.0.0/etc/hadoop.  hdfs could detect that
> correctly, but seems yarn couldn't, might be something wrong in yarn
> starting script.


This kind of weirdness is indicative of having YARN_CONF_DIR defined 
somewhere.
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Re: Questions About Event Listener For Yarn RM

[Herier chen]

I see. Thanks for your explanation.

On Fri, Jan 5, 2018 at 10:02 AM, Miklos Szegedi  wrote:

> Jessica,
>
> Thank you for raising this. Currently there is no event listener, you can
> only poll the REST API.
> Please feel free to open a jira for this.
>
> Best Regards,
> Miklos
>
>
> On Thu, Jan 4, 2018 at 3:41 PM, Herier chen  wrote:
>
>> Hi Hadoop Experts,
>>
>> Happy New Years!!
>>
>> I know we have yarn RM restAPI to grab all the information about
>> applications.
>> 
>>
>> My question is does yarn RM provide any event listener for  app created,
>> killed, failed and finished?
>>
>> Regards
>> Jessica Chen
>>
>
>

Re: Questions About Event Listener For Yarn RM

[Miklos Szegedi]

Jessica,

Thank you for raising this. Currently there is no event listener, you can
only poll the REST API.
Please feel free to open a jira for this.

Best Regards,
Miklos


On Thu, Jan 4, 2018 at 3:41 PM, Herier chen  wrote:

> Hi Hadoop Experts,
>
> Happy New Years!!
>
> I know we have yarn RM restAPI to grab all the information about
> applications.
> 
>
> My question is does yarn RM provide any event listener for  app created,
> killed, failed and finished?
>
> Regards
> Jessica Chen
>

Questions About Event Listener For Yarn RM

[Herier chen]

Hi Hadoop Experts,

Happy New Years!!

I know we have yarn RM restAPI to grab all the information about
applications.


My question is does yarn RM provide any event listener for  app created,
killed, failed and finished?

Regards
Jessica Chen