Which of the descriptions of the Loader job in FusionlnsightHD is correct?

• A.After the Loadet job fails to execute, garbage data will be generated, which needs to be cleared manually by the user
• B.Loader submits a job to Yam for execution. No other jobs can be submitted until the job is executed.
• C.After the Loader submits the job to Yam for execution, if the Loader service is abnormal at this time, the job execution fails.
• D.After the Loader submits the job to Yam for execution, if a Mapper task fails to execute, it can automatically retry

Comment: *

Name: *

Email: *

Verification: *

Hive does not support a timeout retry mechanism.

• A.True
• B.False

Comment: *

Name: *

Email: *

Verification: *

When a MapKeduce program runs, the Map? ?malfunction. Which of the following options describe this task correctly?

• A.App Marter starts again
• B.The task can still be run
• C.The task stops immediately
• D.AppMacter no longer starts

Comment: *

Name: *

Email: *

Verification: *

Hadoop:When the scale of the cluster is large, the distribution of data will be very critical. Users need to decide whether to expand the cluster and whether the data needs to be balanced according to the data distribution. The following statements about Fusioninsight resource distribution monitoring are correct:

• A.Help users quickly find nodes with the highest resource consumption and take appropriate measures
• B.View the distribution of key resources through the resource distribution viewing interface on each service home page
• C.Can help users quickly focus on the most critical resource consumption
• D.Through the DashBoard interface, you can view the distribution of host resources. For example, a list of hosts with a memory occupancy of 50-75% and a link to jump

Comment: *

Name: *

Email: *

Verification: *

Regarding the task selection of the capacity scheduler, which of the following statements is correct?

• A.Minimum queue level first
• B.Maximum queue level first
• C.Resource recycling request queue priority
• D.The queue with the lowest resource utilization takes precedence

Comment: *

Name: *

Email: *

Verification: *