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Posted to mapreduce-user@hadoop.apache.org by Sajid Mohammed <sa...@gmail.com> on 2015/10/28 12:32:58 UTC
ANSWER PLEASE
*You have a cluster running with the fair Scheduler enabled. There are
currently no jobs running on the cluster, and you submit a job A, so that
only job A is running on the cluster. A while later, you submit Job B. now
Job A and Job B are running on the cluster at the same time. How will the
Fair Scheduler handle these two jobs? (Choose 2)*
A. When Job B gets submitted, it will get assigned tasks, while job A
continues to run with fewer tasks.
B. When Job B gets submitted, Job A has to finish first, before job B can
gets scheduled.
C. When Job A gets submitted, it doesn't consumes all the task slots.
D. When Job A gets submitted, it consumes all the task slots.
RE: ANSWER PLEASE
Posted by #TANG SHANJIANG# <ST...@e.ntu.edu.sg>.
`The correct answer should be A and D.
From: Sajid Mohammed [mailto:sajid.hadoop@gmail.com]
Sent: 2015年10月28日 PM 7:33
To: user@hadoop.apache.org
Subject: ANSWER PLEASE
You have a cluster running with the fair Scheduler enabled. There are currently no jobs running on the cluster, and you submit a job A, so that only job A is running on the cluster. A while later, you submit Job B. now Job A and Job B are running on the cluster at the same time. How will the Fair Scheduler handle these two jobs? (Choose 2)
A. When Job B gets submitted, it will get assigned tasks, while job A continues to run with fewer tasks.
B. When Job B gets submitted, Job A has to finish first, before job B can gets scheduled.
C. When Job A gets submitted, it doesn't consumes all the task slots.
D. When Job A gets submitted, it consumes all the task slots.
Re: ANSWER PLEASE
Posted by Tenghuan He <te...@gmail.com>.
AD
On Wed, Oct 28, 2015 at 7:32 PM, Sajid Mohammed <sa...@gmail.com>
wrote:
> *You have a cluster running with the fair Scheduler enabled. There are
> currently no jobs running on the cluster, and you submit a job A, so that
> only job A is running on the cluster. A while later, you submit Job B. now
> Job A and Job B are running on the cluster at the same time. How will the
> Fair Scheduler handle these two jobs? (Choose 2)*
>
>
> A. When Job B gets submitted, it will get assigned tasks, while job A
> continues to run with fewer tasks.
>
> B. When Job B gets submitted, Job A has to finish first, before job B can
> gets scheduled.
>
> C. When Job A gets submitted, it doesn't consumes all the task slots.
>
> D. When Job A gets submitted, it consumes all the task slots.
>
RE: ANSWER PLEASE
Posted by #TANG SHANJIANG# <ST...@e.ntu.edu.sg>.
`The correct answer should be A and D.
From: Sajid Mohammed [mailto:sajid.hadoop@gmail.com]
Sent: 2015年10月28日 PM 7:33
To: user@hadoop.apache.org
Subject: ANSWER PLEASE
You have a cluster running with the fair Scheduler enabled. There are currently no jobs running on the cluster, and you submit a job A, so that only job A is running on the cluster. A while later, you submit Job B. now Job A and Job B are running on the cluster at the same time. How will the Fair Scheduler handle these two jobs? (Choose 2)
A. When Job B gets submitted, it will get assigned tasks, while job A continues to run with fewer tasks.
B. When Job B gets submitted, Job A has to finish first, before job B can gets scheduled.
C. When Job A gets submitted, it doesn't consumes all the task slots.
D. When Job A gets submitted, it consumes all the task slots.
Re: ANSWER PLEASE
Posted by Tenghuan He <te...@gmail.com>.
AD
On Wed, Oct 28, 2015 at 7:32 PM, Sajid Mohammed <sa...@gmail.com>
wrote:
> *You have a cluster running with the fair Scheduler enabled. There are
> currently no jobs running on the cluster, and you submit a job A, so that
> only job A is running on the cluster. A while later, you submit Job B. now
> Job A and Job B are running on the cluster at the same time. How will the
> Fair Scheduler handle these two jobs? (Choose 2)*
>
>
> A. When Job B gets submitted, it will get assigned tasks, while job A
> continues to run with fewer tasks.
>
> B. When Job B gets submitted, Job A has to finish first, before job B can
> gets scheduled.
>
> C. When Job A gets submitted, it doesn't consumes all the task slots.
>
> D. When Job A gets submitted, it consumes all the task slots.
>
RE: ANSWER PLEASE
Posted by #TANG SHANJIANG# <ST...@e.ntu.edu.sg>.
`The correct answer should be A and D.
From: Sajid Mohammed [mailto:sajid.hadoop@gmail.com]
Sent: 2015年10月28日 PM 7:33
To: user@hadoop.apache.org
Subject: ANSWER PLEASE
You have a cluster running with the fair Scheduler enabled. There are currently no jobs running on the cluster, and you submit a job A, so that only job A is running on the cluster. A while later, you submit Job B. now Job A and Job B are running on the cluster at the same time. How will the Fair Scheduler handle these two jobs? (Choose 2)
A. When Job B gets submitted, it will get assigned tasks, while job A continues to run with fewer tasks.
B. When Job B gets submitted, Job A has to finish first, before job B can gets scheduled.
C. When Job A gets submitted, it doesn't consumes all the task slots.
D. When Job A gets submitted, it consumes all the task slots.
Re: ANSWER PLEASE
Posted by Tenghuan He <te...@gmail.com>.
AD
On Wed, Oct 28, 2015 at 7:32 PM, Sajid Mohammed <sa...@gmail.com>
wrote:
> *You have a cluster running with the fair Scheduler enabled. There are
> currently no jobs running on the cluster, and you submit a job A, so that
> only job A is running on the cluster. A while later, you submit Job B. now
> Job A and Job B are running on the cluster at the same time. How will the
> Fair Scheduler handle these two jobs? (Choose 2)*
>
>
> A. When Job B gets submitted, it will get assigned tasks, while job A
> continues to run with fewer tasks.
>
> B. When Job B gets submitted, Job A has to finish first, before job B can
> gets scheduled.
>
> C. When Job A gets submitted, it doesn't consumes all the task slots.
>
> D. When Job A gets submitted, it consumes all the task slots.
>
RE: ANSWER PLEASE
Posted by #TANG SHANJIANG# <ST...@e.ntu.edu.sg>.
`The correct answer should be A and D.
From: Sajid Mohammed [mailto:sajid.hadoop@gmail.com]
Sent: 2015年10月28日 PM 7:33
To: user@hadoop.apache.org
Subject: ANSWER PLEASE
You have a cluster running with the fair Scheduler enabled. There are currently no jobs running on the cluster, and you submit a job A, so that only job A is running on the cluster. A while later, you submit Job B. now Job A and Job B are running on the cluster at the same time. How will the Fair Scheduler handle these two jobs? (Choose 2)
A. When Job B gets submitted, it will get assigned tasks, while job A continues to run with fewer tasks.
B. When Job B gets submitted, Job A has to finish first, before job B can gets scheduled.
C. When Job A gets submitted, it doesn't consumes all the task slots.
D. When Job A gets submitted, it consumes all the task slots.
Re: ANSWER PLEASE
Posted by Tenghuan He <te...@gmail.com>.
AD
On Wed, Oct 28, 2015 at 7:32 PM, Sajid Mohammed <sa...@gmail.com>
wrote:
> *You have a cluster running with the fair Scheduler enabled. There are
> currently no jobs running on the cluster, and you submit a job A, so that
> only job A is running on the cluster. A while later, you submit Job B. now
> Job A and Job B are running on the cluster at the same time. How will the
> Fair Scheduler handle these two jobs? (Choose 2)*
>
>
> A. When Job B gets submitted, it will get assigned tasks, while job A
> continues to run with fewer tasks.
>
> B. When Job B gets submitted, Job A has to finish first, before job B can
> gets scheduled.
>
> C. When Job A gets submitted, it doesn't consumes all the task slots.
>
> D. When Job A gets submitted, it consumes all the task slots.
>