How To Fix DB11065 - Oracle cache monitoring

SAP Error Message - Details

• Message type: E = Error

• Message class: DB11 - Oracle Monitor: messages

• Message number: 065

• Message text: Oracle cache monitoring

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB11065 - Oracle cache monitoring ?

  The SAP error message DB11065 related to Oracle cache monitoring typically indicates an issue with the Oracle database's cache performance. This error can arise due to various reasons, such as insufficient memory allocation, improper configuration, or performance bottlenecks.
  Cause:
  
  Insufficient Memory Allocation: The Oracle database may not have enough memory allocated to the buffer cache, leading to performance issues.
  Improper Configuration: The database parameters related to caching may not be optimally configured.
  High Load: A high number of concurrent users or heavy transactions can lead to cache contention.
  Fragmentation: Fragmentation in the database can lead to inefficient use of cache.
  Statistics: Outdated or missing statistics can lead to suboptimal execution plans, affecting cache performance.
  
  Solution:
  
  Increase Memory Allocation: Review and increase the size of the Oracle buffer cache. This can be done by adjusting the DB_CACHE_SIZE parameter in the Oracle initialization file.
  Optimize Configuration: Check and optimize the Oracle parameters related to caching, such as LOG_BUFFER, SHARED_POOL_SIZE, and others.
  Monitor Performance: Use Oracle's performance monitoring tools (like AWR reports) to identify bottlenecks and adjust configurations accordingly.
  Update Statistics: Ensure that database statistics are up to date. Use the DBMS_STATS package to gather statistics on tables and indexes.
  Review SQL Queries: Analyze and optimize SQL queries that may be causing excessive cache usage.
  Check for Fragmentation: Regularly monitor and defragment the database if necessary.
  
  Related Information:
  
  Oracle Documentation: Refer to Oracle's official documentation for detailed information on memory management and performance tuning.
  SAP Notes: Check SAP Notes related to Oracle database performance and cache monitoring for specific recommendations and patches.
  Monitoring Tools: Utilize tools like Oracle Enterprise Manager or third-party monitoring solutions to keep track of cache performance and other metrics.
  
  Additional Steps:
  
  Consult DBA: If the issue persists, consult with a Database Administrator (DBA) who can provide insights based on the specific environment and workload.
  SAP Support: If the problem continues after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the DB11065 error and improve the performance of your Oracle database in the SAP environment.