Hi Rohith Sharma K S
Thank you for sharing the patch.
Some minor nits.
Higher the integer higher the priority of an applications. Note : Application priority is supported only for FIFO ordering policy.
Could we rephrase this as Higher integer value indicates higher priority for the application. Currently Application priority is supported only for FIFO ordering policy.
2. Application priority works along with FIFO ordering policy only can be Application priority works only along with FIFO ordering policy
3. Default priority for an applications can be at cluster level and queue level. its better to mention as an application.
4. Missing / in etc/hadoop/capacity-scheduler.xml
5. typo in yarn.scheduler.capacity.root.<leaf-queue-patch>.default-application-priority. it can be <leaf-queue-path>