Planning’s equity model and public-works’ pavement job both submit…

Question

Planning’s equity model and public-works’ pavement job both submit heavy work to the shared city cluster. What multi-tenant concern should capacity planning address?

Accepted Answer

Competing jobs contend for YARN CPU and memory, so queues and capacity policies matter. — Two road crews cannot occupy the same intersection without a traffic plan. On a shared cluster, planning and public-works jobs fight for YARN CPU and memory—queues and limits keep the peace. Pretending contention cannot happen is wishful thinking.

Answer

That HDFS automatically deletes the slower department’s datasets without review.

Answer

That YARN removes the need for any queues, limits, or fair-share policies.

Answer

That only one municipal job may ever exist, so contention cannot occur.

Planning’s equity model and public-works’ pavement job both submit heavy work to the shared city cluster. What multi-tenant concern should capacity planning address?

Short Explanation

Full Explanation