How To Fix DB6102 - The buffer pool hit ratio is too low


DB6102 - Overview

  • Message type: E = Error

  • Message class: DB6 - DB6: Alert Monitoring and Alert Configuration

  • Message number: 102

  • Message text: The buffer pool hit ratio is too low

  • Show details Hide details
  • What causes this issue?

    For too high a percentage of read accesses, the requested data is not
    in the buffer pool, but must be physically read from the hard disk.

    System Response

    The access performance suffers as a consequence of increased
    input/output.

    How to fix this error?

    Increase the size of the buffer pool. Note that the increased demand
    for virtual memory causes more paging, if there is not enough real main
    memory available.

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


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message DB6102 - The buffer pool hit ratio is too low ?
    The SAP error message DB6102 indicates that the buffer pool hit ratio is too low, which can lead to performance issues in the database. The buffer pool is a memory area that caches frequently accessed data to reduce the number of disk I/O operations, which are generally slower than memory access. A low hit ratio means that the database is frequently accessing the disk instead of the buffer pool, which can slow down application performance.
    Causes of DB6102
    
    Insufficient Buffer Pool Size: The buffer pool may not be large enough to hold the frequently accessed data, leading to more disk reads.
    High Workload: An increase in the number of transactions or users can lead to more data being accessed, which may exceed the capacity of the buffer pool.
    Inefficient Queries: Poorly optimized queries can lead to excessive data retrieval, causing more cache misses.
    Data Access Patterns: If the data access patterns are not predictable or

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Related SAP Error Messages

Click the links below to see the following related messages:
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    What causes this issue? The quality of the buffer pool is determined by the hitrate for read accesses. This is the percentage of requested data that ...

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