At the queue level, you've define a certain amount of ressources. For
argument sake, let's say that your queue is allowed to consume 50% of your
cluster and max 100%. As a single user, you won't be able to consume more
than 50%. If you've got two different user within the queue, they would be
able to use 100% of teh overall cluster. You can define how much a user is
entitle to take of the overall Q by playing with yarn.scheduler.

If with job1 userA has reached the max he is entitled, he will need to wait
for some slots to become free before job2 start.

On 26 November 2013 10:46, ch huang <[EMAIL PROTECTED]> wrote:
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