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Subject: Re: YARN Container's App ID
From: Hitesh Shah <hitesh@hortonworks.com>
In-Reply-To: <51B77708.6000509@etinternational.com>
Date: Tue, 11 Jun 2013 13:24:53 -0700
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To: user@hadoop.apache.org

Yes - this is currently on trunk. There were some changes done to make =
the container id available to all containers ( and not only the AM ).

However, for 2.0.3-alpha, I believe you should have access to =
ApplicationConstants.AM_CONTAINER_ID_ENV in the AM's environment.=20

-- Hitesh

On Jun 11, 2013, at 12:14 PM, Brian C. Huffman wrote:

> Hitesh,
>=20
> Is this only in trunk?  I'm currently running 2.0.3-alpha and I don't =
see it there.  I also don't see it in the latest 2.0.5.
>=20
> Thanks,
> Brian
>=20
> On 06/11/2013 02:54 PM, Hitesh Shah wrote:
>> Hello Brian,
>>=20
>> org.apache.hadoop.yarn.api.ApplicationConstants.Environment should =
have a list of all the information set in the environment.
>>=20
>> One of these is the container ID. ApplicationAttemptID can be =
obtained from a container ID object which in turn can be used to get the =
App Id.
>>=20
>> -- Hitesh
>>=20
>> On Jun 11, 2013, at 11:47 AM, Brian C. Huffman wrote:
>>=20
>>> How can a YARN container get its own Application ID?
>>>=20
>>> I tried getting the ApplicationConstants.AM_APP_ATTEMPT_ID_ENV =
similar to how the Distributed Shell example does for the AppMaster, but =
that variable doesn't seem to exist in the environment for the =
container.  Does the App Master have to set it?
>>>=20
>>> Thanks,
>>> Brian
>>>=20
>=20
>=20