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From Vinod Kone <>
Subject Re: Ability to pass params to Task without TASK_LOST
Date Sun, 06 Oct 2013 18:55:54 GMT
Hi Vladimir,

You cannot launch multiple tasks with same taskID for a given framework.
TaskInfo.Command should only be used if you want to use Mesos's Command
Executor. If you have your own executor, TaskInfo.ExecutorInfo should be
set instead.

Also, I would recommend using to send any data that your task
might need.


On Sun, Oct 6, 2013 at 11:35 AM, Vladimir Vivien

> All,
> I ran into a situation where I need to pass params/values to tasks as they
> are launched from the scheduler. The only mechanism that I see is
> Command.Environment variables.
> However, when I attempt to launch tasks with same environment variable
> names, the master rejects subsequent tasks with the taskinfo as invalid due
> task already exists (paraphrase) and the task is marked as TASK_LOST.
> Is there another way to reliably pass params/values to a task?  In my
> situation, I want to launch a task (upon resource offer) and pass a new
> value to the task upon each Executor.launch callback.
> Thanks.
> --
> Vladimir Vivien

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