How To Fix MLT770 - Index scan running ... &1 hits

SAP Error Message - Details

• Message type: E = Error

• Message class: MLT - Messages for Translation Tools

• Message number: 770

• Message text: Index scan running ... &1 hits

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MLT770 - Index scan running ... &1 hits ?

  The SAP error message MLT770, which indicates "Index scan running ... &1 hits," typically occurs in the context of database operations, particularly when the system is performing an index scan that is returning a large number of hits (or records). This can lead to performance issues or delays in processing.
  Cause:
  
  Large Data Volume: The index scan is returning a large number of records, which can be due to a high volume of data in the database.
  Inefficient Indexing: The indexes may not be optimized for the queries being executed, leading to inefficient scans.
  Database Locking: Other processes may be locking the database, causing delays in the index scan.
  Poorly Written Queries: Queries that do not use indexes effectively can lead to full table scans instead of index scans.
  Outdated Statistics: If the database statistics are outdated, the query optimizer may not choose the most efficient execution plan.
  
  Solution:
  
  
  Optimize Indexes:
  
  Review and optimize the indexes on the relevant tables to ensure they are being used effectively.
  Consider creating new indexes if necessary.
  
  
  
  Update Statistics:
  
  Run database statistics updates to ensure the query optimizer has the latest information about data distribution.
  
  
  
  Analyze Queries:
  
  Review the SQL queries being executed to ensure they are written efficiently and are using indexes properly.
  Use tools like the SQL trace or performance analysis tools to identify slow queries.
  
  
  
  Database Maintenance:
  
  Perform regular database maintenance tasks, such as reorganization and rebuilding of indexes, to improve performance.
  
  
  
  Monitor Locks:
  
  Check for any locking issues that may be causing delays in the index scan and resolve them.
  
  
  
  Increase Resources:
  
  If the database is under heavy load, consider increasing the resources (CPU, memory) allocated to the database server.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like ST22 (Dump Analysis), SM21 (System Log), and ST03N (Workload Analysis) to gather more information about the performance issues.
  Performance Tuning: Consider engaging in performance tuning sessions with your database administrator (DBA) to address underlying issues.
  SAP Community: Engage with the SAP Community or forums for additional insights and shared experiences from other users who may have encountered similar issues.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the impact of the MLT770 error and improve overall system performance.