IC82227: IN A NON-LOGGING DATABASE A MEMORY LEAK MIGHT BE OBSERVED IN A SESSION POOL, MEMID SQL

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APAR status

  • Closed as program error.

Error description

  • This problem was identified in a case where a session executed a
    procedure which was selecting from another procedure.
    
    Symptom is an increasing memory usage for this session
     (check 'onstat -g ses <sid>' total memory column),
    which is not freed when repeatedly executing the same SQL.
    An 'onstat -g ufr <sid> will reveal that most of this memory is
    used for memid 'sql'.
    
    This problem has only been observed on databases without
    logging.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Prepared query executed repeatedly and the query uses        *
    * aggregate push down can leak memory in session pool.         *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * The query uses excess memory in session pool                 *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Update to IDS-11.70.xC5                                      *
    ****************************************************************
    

Problem conclusion

  • Problem Fixed In IDS-11.70.xC5
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC82227

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    B70

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-03-23

  • Closed date

    2012-10-31

  • Last modified date

    2012-11-01

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    INFORMIX SERVER

  • Fixed component ID

    5725A3900

Applicable component levels

  • RB70 PSY

       UP



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Document information


More support for:

Informix Servers

Software version:

B70

Reference #:

IC82227

Modified date:

2012-11-01

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