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Status Not under consideration
Workspace z/OS
Categories BCP_Logger
Created by Guest
Created on Jan 4, 2022

RELATED IDEAS

Sizing IXGBRWSE BUFFLEN / System Logger IXGBRWSE Performance Enhancement

RC08 RSN80F (IXGRSNCODEBADBUFSIZE) is returned by System Logger when the data result of an IXGBRWSE invocation is too large to fit into the buffer provided by the caller. Currently, the recommended method to determine the BUFFLEN necessary for an IXGBRWSE request is to use the value returned in BLKSIZE when an IXGBRWSE request ends with IXGRSNCODEBADBUFSIZE. (Reference: https://www.ibm.com/docs/en/zos/2.5.0?topic=ixg-ixgbrwse-browseread-log-stream) This method in inefficient, as it results in significant overhead processing within System Logger.

Another alternative method to size a buffer of appropriate length is to use the MAXBUFSIZE value, which is returned in the result of an IXGCONN request. A potential disadvantage of this method is that MAXBUFSIZE may not have been appropriately defined for a log stream; if MAXBUFSIZE was set to the maximum, it is possible an unnecessarily large IXGBRWSE buffer would be allocated.

This request for enhancement is for System Logger to provide an efficient method for the user to appropriately size the buffer required for the data results of an IXGBRWSE request and improve the performance of System Logger to avoid the overheard incurred when a IXGRSNCODEBADBUFSIZE condition is detected.

Idea priority Medium
  • Guest
    Reply
    |     Feb 17, 2023
    .This item is a valid requirement but unlikely to be given high enough priority to be placed into the product plan. If this requirement is high value, please re-open it, or open a new requirement.
  • Guest
    Reply
    |     Feb 16, 2023
    . This item is a valid requirement but unlikely to be given high enough priority to be placed into the product plan. If this requirement is high value, please re-open it, or open a new requirement.

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