How To Fix UJD_EXCEPTION283 - Buffer partition critical section: Get &1 times, conflict &2 times

SAP Error Message - Details

• Message type: E = Error

• Message class: UJD_EXCEPTION - BPC: Data Manager Exception Message Class

• Message number: 283

• Message text: Buffer partition critical section: Get &1 times, conflict &2 times

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJD_EXCEPTION283 - Buffer partition critical section: Get &1 times, conflict &2 times ?

  The SAP error message UJD_EXCEPTION283 indicates a problem related to the buffer partition critical section in the SAP system. This error typically arises in the context of SAP BW (Business Warehouse) or SAP HANA environments, where data processing and buffer management are critical for performance and stability.
  Cause:
  The error message suggests that there is a conflict in accessing a buffer partition. Specifically, it indicates that the system attempted to access a buffer partition a certain number of times (denoted by &1), but encountered conflicts a certain number of times (denoted by &2). This can happen due to:
  
  Concurrency Issues: Multiple processes or threads trying to access the same buffer partition simultaneously, leading to contention.
  Locking Mechanisms: The locking mechanisms in place may not be able to handle the load, resulting in conflicts.
  Configuration Issues: Incorrect configuration of buffer settings or partitioning strategies in the SAP BW or HANA system.
  Resource Limitations: Insufficient system resources (CPU, memory) can exacerbate contention issues.
  
  Solution:
  To resolve this error, consider the following steps:
  
  Analyze System Load: Check the system load and performance metrics to identify if there are any bottlenecks or high contention scenarios.
  Review Buffer Configuration: Ensure that the buffer configuration is optimized for your workload. This may involve adjusting the size of the buffer or the partitioning strategy.
  Check for Long-Running Queries: Identify and optimize any long-running queries that may be holding locks on the buffer partitions.
  Increase Resources: If the system is under heavy load, consider increasing the resources (CPU, memory) allocated to the SAP system.
  Monitor and Tune: Use SAP monitoring tools (like ST03N, ST04, or ST06) to monitor performance and tune the system accordingly.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error or related issues.
  
  Related Information:
  
  SAP BW and HANA Documentation: Review the official SAP documentation for best practices on buffer management and performance tuning.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed logs and system information.
  
  By following these steps, you should be able to diagnose and resolve the UJD_EXCEPTION283 error effectively.