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From Chinmay Kolhatkar <chin...@datatorrent.com>
Subject Re: One Yarn with Multiple Apex Applications
Date Mon, 30 Jan 2017 15:41:51 GMT
Hi Santhosh,

It seems that your YARN does not have enough resources available for
allocating memory for 2 application.
When you kill the first application, the memory is regained by yarn and
then allocated to the second application.

You can try to give more memory to yarn if your system allows RAM.

You can add a property as follows in yarn-site.xml and restart yarn

You can give the value in MB as per availability of RAM on your machine.


On Mon, Jan 30, 2017 at 2:24 PM, Santhosh Kumari G <
Santhosh.Kumari@qolsys.com> wrote:

> Hi,
>       Can we launch more than one (multiple) apex engine in one node with
> multiple terminals and one yarn running. If yes, what is the process.
> I tried launching 2 apex apps with 2 apex engine's. First apex app is
> running without any issue using the port 8042 configured in
> yarn-default.xml Then I tried to launch 2nd app it is saying accepted but
> not running as 8042 port is already in use. When I killed the 1st app,2nd
> app is getting launched automatically.
> So can we manage one yarn with multiple apex engine app's?.
> Thank you,
> Santhosh Kumari G.

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