How To Fix RT862 - Percent of Physical CPU Entitlement Consumed

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 862

• Message text: Percent of Physical CPU Entitlement Consumed

What causes this issue?

The percent of entitled physical CPU's consumed with respect to the
defined entitlement for physical CPU's.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RT862 - Percent of Physical CPU Entitlement Consumed ?

  The SAP error message RT862, which indicates that the "Percent of Physical CPU Entitlement Consumed" has reached a certain threshold, typically relates to performance issues in a virtualized environment. This message is often seen in environments using SAP on platforms like VMware or other virtualization technologies where CPU resources are allocated based on entitlement.
  Cause:
  
  
  High CPU Utilization: The primary cause of this error is that the SAP system is consuming a high percentage of its allocated CPU resources. This can happen due to:
  
  Inefficient queries or processes running in the SAP system.
  Increased workload or user activity.
  Background jobs consuming excessive CPU.
  Insufficient CPU resources allocated to the SAP instance.
  
  
  
  Resource Contention: If multiple virtual machines are competing for the same physical CPU resources, it can lead to contention, causing the SAP system to consume its entitlement quickly.
  
  
  Configuration Issues: Incorrect configuration of the SAP system or the underlying virtualization platform can lead to suboptimal performance and resource allocation.
  
  
  Solution:
  
  
  Monitor CPU Usage: Use monitoring tools to analyze CPU usage patterns. Identify which processes or transactions are consuming excessive CPU resources.
  
  
  Optimize Queries and Processes: Review and optimize any inefficient SQL queries or background jobs that may be consuming high CPU. This can involve:
  
  Analyzing execution plans.
  Indexing tables appropriately.
  Reducing the frequency of resource-intensive jobs.
  
  
  
  Adjust Resource Allocation: If the SAP system consistently consumes a high percentage of its CPU entitlement, consider increasing the CPU resources allocated to the virtual machine. This may involve:
  
  Adding more virtual CPUs (vCPUs) to the SAP instance.
  Adjusting the resource allocation settings in the virtualization platform.
  
  
  
  Load Balancing: If multiple SAP instances are running on the same physical server, consider load balancing the workloads across different servers to reduce contention.
  
  
  Review Virtualization Settings: Ensure that the virtualization settings are optimized for performance. This includes checking CPU affinity settings, resource pools, and ensuring that the hypervisor is configured correctly.
  
  
  Upgrade Hardware: If the workload has increased significantly and the current hardware cannot support it, consider upgrading the physical hardware to provide more CPU resources.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to performance issues.
  Performance Tuning Guides: Refer to SAP performance tuning guides for best practices on optimizing SAP systems.
  Virtualization Documentation: Review the documentation for the virtualization platform being used (e.g., VMware, Hyper-V) for specific recommendations on configuring CPU resources for SAP workloads.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the RT862 error and improve the performance of your SAP system.