How To Fix ESH_RUBU_MSG020 - &1 bytes in the active shared object instance

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_RUBU_MSG - ESH RuBu - Messages

• Message number: 020

• Message text: &1 bytes in the active shared object instance

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 ESH_RUBU_MSG020 - &1 bytes in the active shared object instance ?

  The SAP error message ESH_RUBU_MSG020 typically indicates an issue related to the size of the active shared object instance in the SAP system. This error can occur in the context of the SAP Enterprise Search or the SAP NetWeaver platform, particularly when dealing with the search and indexing functionalities.
  Cause:
  The error message ESH_RUBU_MSG020 suggests that the size of the active shared object instance has exceeded a predefined limit. This can happen due to various reasons, including:
  
  Excessive Data Volume: The amount of data being processed or indexed is too large for the current configuration.
  Configuration Issues: The system may not be optimally configured to handle the volume of data being processed.
  Memory Limitations: The system may be running low on memory resources, leading to issues with managing shared objects.
  Inefficient Indexing: Inefficient indexing strategies or processes can lead to larger-than-expected shared object sizes.
  
  Solution:
  To resolve the error, you can consider the following steps:
  
  
  Check System Configuration:
  
  Review the configuration settings for the shared object instances and ensure they are set appropriately for your data volume.
  Adjust parameters related to memory allocation and shared object limits if necessary.
  
  
  
  Optimize Data Volume:
  
  If possible, reduce the amount of data being indexed or processed. This could involve archiving old data or filtering out unnecessary data from the indexing process.
  
  
  
  Monitor Memory Usage:
  
  Use SAP monitoring tools to check memory usage and identify any bottlenecks. Ensure that the system has sufficient memory resources allocated.
  
  
  
  Reindexing:
  
  If the issue persists, consider reindexing the data. This can help in rebuilding the index and potentially reducing the size of the shared object instances.
  
  
  
  SAP Notes and Support:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  If the problem continues, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Enterprise Search and NetWeaver for detailed information on configuration and optimization.
  Performance Monitoring: Utilize tools like SAP Solution Manager or transaction codes like ST02 (Buffer Management) and ST04 (Database Performance Analysis) to monitor system performance and identify issues.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to address the ESH_RUBU_MSG020 error and improve the performance of your SAP system.